NPPES file of Aug 9, 2026

Alina Katsman, M.D.

Adult Medicine Physician · Westlake Village, CA

Alina Katsman, M.D. is an adult medicine physician with a practice address in Westlake Village, California, and NPI 1528351459, issued on May 25, 2011. Check the license (California A124126, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528351459
Name
Alina Katsman
Credential
M.D.
Primary taxonomy
Adult Medicine Physician 207QA0505X
License number
A124126 CA
Self-reported in NPPES; status is on the state search
Practice location
141 Triunfo Canyon RD Ste 110, Westlake Village, CA 91361
Phone
(805) 371-1391
Enumerated
May 25, 2011
Record last updated
Nov 13, 2024
Medicare enrollment
Enrolled (PECOS I20140626002261); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 141 Triunfo Canyon RD Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Natalie Abrahamian, M.D.Internal Medicine Physician1356882567
  2. Christine Dahlin, M.D.Internal Medicine Physician1922293786
  3. Mark HallRheumatology Physician1891181103
  4. Leslie JohnsonFamily Medicine Physician1083107197
  5. Fang-Yu Liu, MDInfectious Disease Physician1104311216
  6. Dharushana Muthulingam, MDInfectious Disease Physician1447526231

Verify Alina Katsman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124126
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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51% more Medicare Part D claims than the average adult medicine physician in 2024

4,539 Medicare Part D claims for 488 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 139 claims were for opioids.

  1. Alina Katsman4,539
  2. Specialty average3,002

Most prescribed

  1. Atorvastatin Calcium316 claims
  2. Rosuvastatin Calcium199 claims
  3. Levothyroxine Sodium169 claims
  4. Losartan Potassium150 claims
  5. Amlodipine Besylate144 claims
  6. Metformin Hcl Er111 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $109.17

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 664 providers of this specialty with any payment received $1,405.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alina Katsman$109.17
  2. Specialty average$1,405.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaWestlake Village, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alina Katsman among 386 adult medicine physician records in California

Alina Katsman, M.D. is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 62% of them.

  • NPI issued2011 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2011 · median 2005 among the 187 with a school on file
  • Record last updated2024 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in California

There are 386 adult medicine physician records in California.

The 8 adult medicine physician records with the nearest ZIP codes

  1. Michele Ghaussy, M.D.Thousand Oaks, CA 913611962402180
  2. Candice Lane, M.D.Westlake Village, CA 913611356547483
  3. Munira Husain, M.D.Thousand Oaks, CA 913601184856460
  4. Mary Pascasio, MDThousand Oaks, CA 913601508037300
  5. Sofia Vaisman, M.D.Woodland Hills, CA 913641497846638
  6. Brandi MedinaWoodland Hills, CA 913671295360782
  7. Ashton Garbutt, MDMission Hills, CA 913451407350622
  8. Ladan Hassanzadeh-KhayyatMission Hills, CA 913451831830868

Common questions

What is Alina Katsman, M.D.'s NPI number?

Alina Katsman, M.D.'s National Provider Identifier (NPI) is 1528351459, issued on May 25, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Alina Katsman, M.D. located?

The NPPES record lists a practice address at 141 Triunfo Canyon RD Ste 110, Westlake Village, CA, 91361. Phone: (805) 371-1391. Providers update this record themselves, so call before visiting.

How can I verify Alina Katsman, M.D.'s license?

NPPES lists California license number A124126, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alina Katsman, M.D. prescribe under Medicare Part D?

In 2024, Alina Katsman, M.D. had 4,539 Medicare Part D claims for 488 beneficiaries; the average among adult medicine physician prescribers was 3,002. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.