NPPES file of Aug 9, 2026

Sam Abbassi, MD, MS

Ophthalmology Physician · West Hills, CA

Sam Abbassi, MD, MS is an ophthalmology physician with a practice address in West Hills, California, and NPI 1881937720, issued on Mar 28, 2013. Check the license (California A133231, 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
1881937720
Name
Sam Abbassi
Credential
MD, MS
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
A133231 CA
MD-44228 IA
Self-reported in NPPES; status is on the state search
Practice location
7345 Medical Center Dr Ste 320, West Hills, CA 91307
Phone
(818) 953-0093
Enumerated
Mar 28, 2013
Record last updated
Nov 9, 2023
Fax
(877) 883-9992
Medicare enrollment
Enrolled (PECOS I20190919000665); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 2013
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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Verify Sam Abbassi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A133231
    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

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76% fewer Medicare Part D claims than the average ophthalmology physician in 2024

367 Medicare Part D claims for 110 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Sam Abbassi367
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate54 claims
  2. Latanoprost53 claims
  3. Ketorolac Tromethamine45 claims
  4. Brimonidine Tartrate35 claims
  5. Dorzolamide-Timolol35 claims
  6. Neomycin-Polymyxin-Dexameth18 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: $200.03

4 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sam Abbassi$200.03
  2. Specialty average$4,535.02

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. Ophthalmology Associates OF The Valley Medical GroupEncino, CA

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

Sam Abbassi among 2,899 ophthalmology physician records in California

Sam Abbassi, MD, MS is one of 2,899 ophthalmology 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 80% of them.

  • NPI issued2013 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2013 · median 2001 among the 1,907 with a school on file
  • Record last updated2023 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Kenneth Arenson, MDWest Hills, CA 913071639189434
  2. Daniel Choi, MDWest Hills, CA 913071679078216
  3. Jonathan Davidorf, M.D.West Hills, CA 913071023105160
  4. Bernard Davidorf, M.D.West Hills, CA 913071841387982
  5. Jamshyd Karlin, M.D.West Hills, CA 913071003880261
  6. Michelle Reyes, M.D.West Hills, CA 913071902816135
  7. Hugh Lin, MDWoodland Hills, CA 913031699891747
  8. Moises Enghelberg, D.O.Agoura Hills, CA 913011730570896

Common questions

What is Sam Abbassi, MD, MS's NPI number?

Sam Abbassi, MD, MS's National Provider Identifier (NPI) is 1881937720, issued on Mar 28, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Sam Abbassi, MD, MS located?

The NPPES record lists a practice address at 7345 Medical Center Dr Ste 320, West Hills, CA, 91307. Phone: (818) 953-0093. Providers update this record themselves, so call before visiting.

How can I verify Sam Abbassi, MD, MS's license?

NPPES lists California license number A133231, 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 Sam Abbassi, MD, MS prescribe under Medicare Part D?

In 2024, Sam Abbassi, MD, MS had 367 Medicare Part D claims for 110 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.