Frederick KleinMD
Internal Medicine, Gastroenterology
2027 Medicare Advantage
Check your plan
Medicare Advantage plans for Pima County, AZ.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 83 Medicare Advantage plans we show for Pima County, AZ in 2027
- 58 list Frederick
- 25 not listed

Humana
13 plans list Frederick.
Humana Essentials Plus Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
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:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Gold Plus H0028-021 (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Gold Plus H0028-074 (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a month

Devoted
12 plans list Frederick.
DEVOTED CHOICE 003 AZ (PPO)
Source: Devoted provider directory.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Suite A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CHOICE MA ONLY 005 AZ (PPO)
Source: Devoted provider directory.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Suite A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CORE 021 AZ (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 75 W Calle de las Tiendas, Suite 10, Green Valley, AZ, 85614
- 7566 N La Cholla Blvd, Suite A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CORE 094 AZ (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Suite A, Tucson, AZ, 85741
- 75 W Calle de las Tiendas, Suite 10, Green Valley, AZ, 85614
This result applies to these offices. Other locations are not confirmed.
$0a month

UnitedHealthcare
10 plans list Frederick.
AARP Medicare Advantage Essentials from UHC AZ-1 (HMO-POS)
$0a monthAARP Medicare Advantage Extras from UHC AZ-4 (HMO-POS)
$0a monthAARP Medicare Advantage from UHC AZ-0007 (PPO)
$0a monthAARP Medicare Advantage Patriot No Rx AZ-MA01 (PPO)
$0a month

Wellpoint
7 plans list Frederick; not listed on 1 other plan.
Wellpoint Medicare Advantage 1 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1701 W Saint Marys Rd, Tucson, AZ, 85745
This result applies to these offices. Other locations are not confirmed.
$0a monthWellpoint Medicare Advantage 2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1701 W Saint Marys Rd, Tucson, AZ, 85745
This result applies to these offices. Other locations are not confirmed.
$0a monthWellpoint Premium Savings (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1701 W Saint Marys Rd, Tucson, AZ, 85745
This result applies to these offices. Other locations are not confirmed.
$0a monthWellpoint Chronic Care (HMO-POS C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1701 W Saint Marys Rd, Tucson, AZ, 85745
This result applies to these offices. Other locations are not confirmed.
$0a month

HealthSpring
5 plans list Frederick.
HealthSpring Preferred (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Preferred Extra Savings (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Preferred Savings (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
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:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a month

Aetna Medicare
4 plans list Frederick; not listed on 2 other plans.
Aetna Medicare Eagle (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
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:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
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:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$16.80a month

Wellcare
3 plans list Frederick.
Wellcare Simple (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
- 560 E Continental Rd, Unit 107, Green Valley, AZ, 85614
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Arizona Complete Health Dual Liberty Sync (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Specialty Simple (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
- 560 E Continental Rd, Unit 107, Green Valley, AZ, 85614
This result applies to these offices. Other locations are not confirmed.
$0a month

Blue Cross Blue Shield of Arizona (AZ Blue)
2 plans list Frederick.
Blue Best Life Classic (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
- 2424 N Wyatt Dr, Ste 200, Tucson, AZ, 85712
- 3601 S 6th Ave, Tucson, AZ, 85723
This result applies to these offices. Other locations are not confirmed.
$0a monthBlue Best Life Select (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
- 2424 N Wyatt Dr, Ste 200, Tucson, AZ, 85712
- 3601 S 6th Ave, Tucson, AZ, 85723
This result applies to these offices. Other locations are not confirmed.
$0a month

Mercy Care Advantage
2 plans list Frederick.
Mercy Care Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$16.10a monthMercy Care Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7566 N La Cholla Blvd, Ste A, Tucson, AZ, 85741
This result applies to these offices. Other locations are not confirmed.
$16.80a month

Alignment Health Plan
Not listed on its 6 plans here. That isn't proof they're out of network.

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

eternalHealth
Not listed on its 3 plans here. That isn't proof they're out of network.

Gold Kidney Health Plan
Not listed on its 3 plans here. That isn't proof they're out of network.

SCAN Health Plan
Not listed on its 6 plans here. That isn't proof they're out of network.

Verda Health Plan of Arizona
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 Frederick 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
Practice location
- NPI issued
- 2005
- Registry record updated
- Jul 13, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Frederick Klein?
In Pima County, AZ, 58 Medicare Advantage plans for 2027 list Frederick in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (PPO) and Humana Gold Plus H0028-021 (HMO). 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.
Does Frederick Klein take Humana Medicare Advantage plans?
Humana's own provider directory lists Frederick on 13 Medicare Advantage plans for 2027 in Pima County, AZ, including Humana Essentials Plus Giveback (PPO). Confirm with the office or Humana before you enroll.
Does Frederick Klein take Devoted Medicare Advantage plans?
Devoted's own provider directory lists Frederick on 12 Medicare Advantage plans for 2027 in Pima County, AZ, including DEVOTED CHOICE 003 AZ (PPO) and DEVOTED CHOICE MA ONLY 005 AZ (PPO). Confirm with the office or Devoted before you enroll.
Does Frederick Klein take UnitedHealthcare Medicare Advantage plans?
Carrier directories and Medicare.gov provider data list Frederick on 10 Medicare Advantage plans for 2027 in Pima County, AZ, including AARP Medicare Advantage Essentials from UHC AZ-1 (HMO-POS) and AARP Medicare Advantage Extras from UHC AZ-4 (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or UnitedHealthcare before you enroll.
Where does Frederick Klein practice?
7566 N la Cholla Blvd, Ste A, Tucson, AZ 85741.
How do I confirm Frederick is in my plan's network?
Call the member services number on your plan card and give them the NPI 1962487876, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
What patients see here today:
- Provider searches did not return a listing for Frederick Klein on 22 plans from Alignment Health Plan, Banner Medicare Advantage, eternalHealth, Gold Kidney Health Plan, SCAN Health Plan and Verda Health Plan of Arizona in Pima County, AZ. Other offices are not confirmed; this isn't proof the practice is out of network.
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.