Boris RatinerMD
Internal Medicine, Rheumatology
2027 Medicare Advantage
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Medicare Advantage plans for Los Angeles County, CA.
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Directory results See what each insurance company reports
The 119 Medicare Advantage plans we show for Los Angeles County, CA in 2027
- 26 list Boris
- 93 not listed

SCAN Health Plan
7 plans list Boris; not listed on 8 other plans.
SCAN Classic (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthSCAN Costco Medicare Advantage (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthSCAN Inspired by women for women (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$15a monthSCAN Prime (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$20a month

UnitedHealthcare
7 plans list Boris; not listed on 1 other plan.
AARP Medicare Advantage from UHC CA-004P (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC CA-45 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Giveback from UHC CA-30P (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx CA-MA1P (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a month

Aetna Medicare
4 plans list Boris; not listed on 3 other plans.
Aetna Medicare Eagle (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
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:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature Extra (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature Legacy (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$10a month

Anthem Blue Cross · Anthem Blue Cross Partnership Plan
4 plans list Boris; not listed on 8 other plans.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18376 Clark St, Tarzana, CA, 91356
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Prime (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18376 Clark St, Tarzana, CA, 91356
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Select (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18376 Clark St, Tarzana, CA, 91356
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Full Dual Advantage Aligned (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 18376 Clark St, Tarzana, CA, 91356
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a month

Humana
4 plans list Boris; not listed on 4 other plans.
Humana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback with Rx (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice H5525-075 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice H5525-074 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 18386 Ventura Blvd, Tarzana, CA, 91356
This result applies to these offices. Other locations are not confirmed.
$49a month

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

Align Senior Care
Not listed on its 1 plan here. That isn't proof they're out of network.

Alignment Health Plan
Not listed on its 21 plans here. That isn't proof they're out of network.

Astiva Health
Not listed on its 5 plans here. That isn't proof they're out of network.

Blue Shield of California
Not listed on its 7 plans here. That isn't proof they're out of network.

Champion Heath Plan
Not listed on its 9 plans here. That isn't proof they're out of network.

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

Elite Health Plan, Inc.
Not listed on its 2 plans here. That isn't proof they're out of network.

Imperial Health Plan of California, Inc.
Not listed on its 4 plans here. That isn't proof they're out of network.

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

L.A. Care Health Plan
Not listed on its 1 plan here. That isn't proof they're out of network.

Molina Healthcare of California
Not listed on its 1 plan here. That isn't proof they're out of network.
UCLA Health Medicare Advantage Plan
Not listed on its 2 plans here. That isn't proof they're out of network.
VillageHealth
Not listed on its 1 plan here. That isn't proof they're out of network.

Wellcare
Not listed on its 5 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 Boris 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
- 2006
- Registry record updated
- Jan 9, 2023
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Boris Ratiner?
In Los Angeles County, CA, 26 Medicare Advantage plans for 2027 list Boris in provider data from Medicare.gov or the carrier, including SCAN Classic (HMO), SCAN Costco Medicare Advantage (HMO) and SCAN Inspired by women for women (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 Boris Ratiner take SCAN Health Plan Medicare Advantage plans?
Medicare.gov provider data lists Boris on 7 Medicare Advantage plans for 2027 in Los Angeles County, CA, including SCAN Classic (HMO) and SCAN Costco Medicare Advantage (HMO). 8 other plans did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or SCAN Health Plan before you enroll.
Does Boris Ratiner take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Boris on 7 Medicare Advantage plans for 2027 in Los Angeles County, CA, including AARP Medicare Advantage from UHC CA-004P (HMO-POS) and AARP Medicare Advantage from UHC CA-45 (HMO-POS). 1 other plan did not return a listing in the search area. 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.
Does Boris Ratiner take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Boris on 4 Medicare Advantage plans for 2027 in Los Angeles County, CA, including Aetna Medicare Eagle (HMO) and Aetna Medicare Signature (HMO). 3 other plans did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Aetna Medicare before you enroll.
Where does Boris Ratiner practice?
18386 Ventura Blvd, Tarzana, CA 91356.
How do I confirm Boris is in my plan's network?
Call the member services number on your plan card and give them the NPI 1821001496, 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 Boris Ratiner on 69 plans from AHF, Align Senior Care, Alignment Health Plan, Astiva Health, Blue Shield of California, Champion Heath Plan, Clever Care Health Plan, Elite Health Plan, Inc., Imperial Health Plan of California, Inc., Kaiser Permanente, L.A. Care Health Plan, Molina Healthcare of California, UCLA Health Medicare Advantage Plan, VillageHealth and Wellcare in Los Angeles County, CA. 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.