NPPES file of Aug 9, 2026

Ara Thomassian, M.D.

Internal Medicine Physician · Valley Village, CA

Ara Thomassian, M.D. is an internal medicine physician with a practice address in Valley Village, California, and NPI 1609118777, issued on Mar 26, 2013. Check the license (California A132991, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609118777
Name
Ara Thomassian
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A132991 CA
Self-reported in NPPES; status is on the state search
Practice location
12660 Riverside Dr, Valley Village, CA 91607
Phone
(818) 487-0040
Enumerated
Mar 26, 2013
Record last updated
Sep 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(818) 487-0050
Medicare enrollment
Enrolled (PECOS I20160722002284); accepts Medicare assignment
Medical or professional school
Meharry Medical College School Of Dentistry, 2013
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 12660 Riverside Dr

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

  1. Rachel Chen, L.AC.Acupuncturist1174767859
  2. Pazrica Cho, M.D.Internal Medicine Physician1770693095
  3. Logan DecourseyBehavior Technician1144188178
  4. Mariah GoodnightBehavior Technician1396431789
  5. Kenneth Hill, M.D.Anesthesiology Physician1629020953
  6. Joyce Leong, NPPsychiatric/Mental Health Nurse Practitioner1073493342

Verify Ara Thomassian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A132991
    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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2.5 times the Medicare Part D claims of the average internal medicine physician in 2024

7,820 Medicare Part D claims for 439 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 78 claims were for opioids.

  1. Ara Thomassian7,820
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium787 claims
  2. Amlodipine Besylate474 claims
  3. Levothyroxine Sodium273 claims
  4. Rosuvastatin Calcium245 claims
  5. Omeprazole240 claims
  6. Losartan Potassium234 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.7
  2. Costout of 100 · 30%61.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $219.45

10 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ara Thomassian$219.45
  2. Specialty average$1,303.06

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. Cedars-Sinai Medical Care FoundationTarzana, CA

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

Ara Thomassian among 17,696 internal medicine physician records in California

Ara Thomassian, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.

  • NPI issued2013 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2013 · median 2004 among the 11,065 with a school on file
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 internal medicine physician records list a practice address in Valley Village

They are 4 of the 365 NPPES records with a practice address in Valley Village, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Noha Barsoum, M.D.North Hollywood, CA 916071053391185
  2. Pazrica Cho, M.D.Valley Village, CA 916071770693095
  3. Dan Dardashti, M.D.Valley Village, CA 916071275537524
  4. Melina Jampolis, M.D.Studio City, CA 916071942593116
  5. Lorie Kavafyan, D.O.North Hollywood, CA 916071326468620
  6. Roberto Mariano, M.D.N Hollywood, CA 916071992848980
  7. Sevak Minassian, MDNorth Hollywood, CA 916071720580103
  8. David Parris, MDNorth Hollywood, CA 916071154403921

Common questions

What is Ara Thomassian, M.D.'s NPI number?

Ara Thomassian, M.D.'s National Provider Identifier (NPI) is 1609118777, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Ara Thomassian, M.D. located?

The NPPES record lists a practice address at 12660 Riverside Dr, Valley Village, CA, 91607. Phone: (818) 487-0040. Providers update this record themselves, so call before visiting.

How can I verify Ara Thomassian, M.D.'s license?

NPPES lists California license number A132991, 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 Ara Thomassian, M.D. prescribe under Medicare Part D?

In 2024, Ara Thomassian, M.D. had 7,820 Medicare Part D claims for 439 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Ara Thomassian, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.