Zachary KoretzMD
Ophthalmology, Retina Specialist
2027 Medicare Advantage
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Medicare Advantage plans for Arapahoe, Douglas and Eagle counties, CO.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
Listed on 46 plans so far
Some of Humana, Devoted, UnitedHealthcare, Aetna Medicare, HealthSpring, Anthem Blue Cross and Blue Shield, Elevate Medicare Advantage, Kaiser Permanente, Perennial Advantage and Select Health's 2027 plans in Arapahoe, Douglas and Eagle counties, CO haven't been checked yet.
The 59 Medicare Advantage plans we show for Arapahoe, Douglas and Eagle counties, CO in 2027
- 46 list Zachary
- 11 not listed
- 2 not checked yet

Humana
12 plans list Zachary.
Humana Essentials Plus Giveback (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 9135 S Ridgeling Blvd 130, Littleton, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Essentials Plus Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 9135 S Ridgeling Blvd 130, Littleton, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
- 341 Market St, Basalt, CO, 81621
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Essentials Plus Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 9135 S Ridgeling Blvd 130, Littleton, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
- 341 Market St, Basalt, CO, 81621
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Total Complete (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 9135 S Ridgeling Blvd 130, Littleton, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
This result applies to these offices. Other locations are not confirmed.
$0a month
1 more Humana plan hasn't been checked yet.

Devoted
11 plans list Zachary.
DEVOTED CHOICE 002 CO (PPO)
Source: Devoted provider directory.
Listed offices for this plan:
- 13111 E Briarwood Ave Ste 200, Centennial, CO, 80112
- 950 E Harvard Ave Ste 530, Denver, CO, 80210
- 341 Market St, Basalt, CO, 81621
- 9135 Ridgeline Blvd, #130, Highlands Ranch, CO, 80129
- 1411 S Potomac St Ste 440, Aurora, CO, 80012
- 5150 E Yale Cir Ste 400, Denver, CO, 80222
- 1140 Edwards Village Blvd, Suite b 206 206, Edwards, CO, 81632
- 8381 Southpark Ln, Littleton, CO, 80120
- 7375 W 52nd Ave Ste 300, Arvada, CO, 80002
- 1607 Grand Ave Unit 31, Glenwood Springs, CO, 81601
- 1140 Edwards Village Blvd Unit B206, Edwards, CO, 81632
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CHOICE GIVEBACK 003 CO (PPO)
Source: Devoted provider directory.
Listed offices for this plan:
- 13111 E Briarwood Ave Ste 200, Centennial, CO, 80112
- 950 E Harvard Ave Ste 530, Denver, CO, 80210
- 341 Market St, Basalt, CO, 81621
- 9135 Ridgeline Blvd, #130, Highlands Ranch, CO, 80129
- 1411 S Potomac St Ste 440, Aurora, CO, 80012
- 5150 E Yale Cir Ste 400, Denver, CO, 80222
- 1140 Edwards Village Blvd, Suite b 206 206, Edwards, CO, 81632
- 8381 Southpark Ln, Littleton, CO, 80120
- 7375 W 52nd Ave Ste 300, Arvada, CO, 80002
- 1607 Grand Ave Unit 31, Glenwood Springs, CO, 81601
- 1140 Edwards Village Blvd Unit B206, Edwards, CO, 81632
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CHOICE MA ONLY 004 CO (PPO)
Source: Devoted provider directory.
Listed offices for this plan:
- 13111 E Briarwood Ave Ste 200, Centennial, CO, 80112
- 950 E Harvard Ave Ste 530, Denver, CO, 80210
- 341 Market St, Basalt, CO, 81621
- 9135 Ridgeline Blvd, #130, Highlands Ranch, CO, 80129
- 1411 S Potomac St Ste 440, Aurora, CO, 80012
- 5150 E Yale Cir Ste 400, Denver, CO, 80222
- 1140 Edwards Village Blvd, Suite b 206 206, Edwards, CO, 81632
- 8381 Southpark Ln, Littleton, CO, 80120
- 7375 W 52nd Ave Ste 300, Arvada, CO, 80002
- 1607 Grand Ave Unit 31, Glenwood Springs, CO, 81601
- 1140 Edwards Village Blvd Unit B206, Edwards, CO, 81632
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CORE 004 CO (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 7375 W 52nd Ave Ste 300, Arvada, CO, 80002
- 950 E Harvard Ave Ste 530, Denver, CO, 80210
- 8381 Southpark Ln, Littleton, CO, 80120
- 1607 Grand Ave Unit 31, Glenwood Springs, CO, 81601
- 1140 Edwards Village Blvd Unit B206, Edwards, CO, 81632
- 341 Market St, Basalt, CO, 81621
- 5150 E Yale Cir Ste 400, Denver, CO, 80222
- 1140 Edwards Village Blvd, Suite b 206 206, Edwards, CO, 81632
- 9135 Ridgeline Blvd, #130, Highlands Ranch, CO, 80129
This result applies to these offices. Other locations are not confirmed.
$0a month

UnitedHealthcare
10 plans list Zachary.
AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Extras from UHC CO-5 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC CO-21P (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx CO-MA01 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
This result applies to these offices. Other locations are not confirmed.
$0a month
1 more UnitedHealthcare plan hasn't been checked yet.

Aetna Medicare
7 plans list Zachary.
Aetna Medicare Eagle (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200, Centennial, CO, 80112
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Prime (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200, Centennial, CO, 80112
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200, Centennial, CO, 80112
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Value Care (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200, Centennial, CO, 80112
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
This result applies to these offices. Other locations are not confirmed.
$18.40a month

HealthSpring
4 plans list Zachary.
HealthSpring Preferred (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 1411 S Potomac St, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200E, Centennial, CO, 80112
- 950 E Harvard Ave, Ste 530, Denver, CO, 80210
- 8381 Southpark Ln, Littleton, CO, 80120
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
- 7375 W 52nd Ave, Arvada, CO, 80002
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring True Choice (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 1411 S Potomac St, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200E, Centennial, CO, 80112
- 950 E Harvard Ave, Ste 530, Denver, CO, 80210
- 8381 Southpark Ln, Littleton, CO, 80120
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
- 7375 W 52nd Ave, Arvada, CO, 80002
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring TotalCare (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 1411 S Potomac St, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200E, Centennial, CO, 80112
- 950 E Harvard Ave, Ste 530, Denver, CO, 80210
- 8381 Southpark Ln, Littleton, CO, 80120
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
- 7375 W 52nd Ave, Arvada, CO, 80002
This result applies to these offices. Other locations are not confirmed.
$18.40a monthHealthSpring TotalCare Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Ste 440, Aurora, CO, 80012
- 1411 S Potomac St, Ste 400, Aurora, CO, 80012
- 1411 S Potomac St, Aurora, CO, 80012
- 5150 E Yale Cir, Ste 400, Denver, CO, 80222
- 13111 E Briarwood Ave, Ste 200E, Centennial, CO, 80112
- 950 E Harvard Ave, Ste 530, Denver, CO, 80210
- 8381 Southpark Ln, Littleton, CO, 80120
- 9135 Ridgeline Blvd, Ste 130, Highlands Ranch, CO, 80129
- 7375 W 52nd Ave, Ste 300, Arvada, CO, 80002
- 7375 W 52nd Ave, Arvada, CO, 80002
This result applies to these offices. Other locations are not confirmed.
$18.40a month

Anthem Blue Cross and Blue Shield
2 plans list Zachary.
Anthem Chronic Care (HMO-POS C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Aurora, CO, 80012
- 5150 E Yale Cir, Denver, CO, 80222
- 13111 E Briarwood Ave, Centennial, CO, 80112
- 9135 Ridgeline Blvd, Highlands Ranch, CO, 80129
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Dual Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1411 S Potomac St, Aurora, CO, 80012
- 5150 E Yale Cir, Denver, CO, 80222
- 13111 E Briarwood Ave, Centennial, CO, 80112
- 9135 Ridgeline Blvd, Highlands Ranch, CO, 80129
This result applies to these offices. Other locations are not confirmed.
$18.40a month

Elevate Medicare Advantage
Not listed on its 2 plans here. That isn't proof they're out of network.

Kaiser Permanente
Not listed on its 6 plans here. That isn't proof they're out of network.

Perennial Advantage
Not listed on its 1 plan here. That isn't proof they're out of network.

Select Health
Not listed on its 2 plans here. That isn't proof they're out of network.
Premiums are each plan's own monthly premium, as filed with Medicare. You keep paying your Medicare Part B premium.
Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Zachary takes it. Free.
Original Medicare
Original Medicare status
Most Medicare Supplement (Medigap) policies have no provider network: they help pay Original Medicare's cost sharing where Medicare is accepted. Medicare SELECT policies can require network providers for full benefits. Ask the office whether they accept Medicare.
Medicare enrollment and assignment have not been verified here. Advantage directory results do not answer this question.
No opt-out record in this CMS file. CMS's file covers data through 2026-08-31. This does not establish Medicare enrollment, assignment, or whether the office accepts new Medicare patients.
CMS opt-out source · Data through 2026-08-31 · Reviewed Oct 25, 2026
Where they practice
6 practice locations
- NPI issued
- 2018
- Registry record updated
- Oct 5, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Zachary Koretz?
In Arapahoe, Douglas and Eagle counties, CO, 46 Medicare Advantage plans for 2027 list Zachary in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (HMO) and Humana Essentials Plus Giveback (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Networks can change during the year, so confirm with the office or the plan before you enroll.
Where does Zachary Koretz practice?
6 locations, including 1411 S Potomac St Ste 440, Aurora, CO. All of them are listed on this page.
How do I confirm Zachary is in my plan's network?
Call the member services number on your plan card and give them the NPI 1487157269, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
Patients can use Silverpath to find practices and check plan networks in Arapahoe, Douglas and Eagle counties, CO. Tell us which plans you take, or want to take, and we'll keep this page accurate and talk with you about reaching more Medicare patients and carriers.