NPPES file of Aug 9, 2026

Sam Abaza, M.D.

Dermatology Physician · Diamond Bar, CA

Sam Abaza, M.D. is a dermatology physician with a practice address in Diamond Bar, California, and NPI 1831148501, issued on May 9, 2006. Check the license (California A86393, 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
1831148501
Name
Sam Abaza
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
A86393 CA
Self-reported in NPPES; status is on the state search
Practice location
1111 Grand Ave Ste K, Diamond Bar, CA 91765
Phone
(098) 604-2549
Enumerated
May 9, 2006
Record last updated
Nov 17, 2025
Medicare enrollment
Enrolled (PECOS I20051223000167); accepts Medicare assignment
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 1111 Grand Ave Ste K

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

  1. Felipe Coronado, PA-CPhysician Assistant1508920059

Verify Sam Abaza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A86393
    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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33% fewer Medicare Part D claims than the average dermatology physician in 2024

536 Medicare Part D claims for 276 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Sam Abaza536
  2. Specialty average797

Most prescribed

  1. Cephalexin167 claims
  2. Gentamicin Sulfate167 claims
  3. Betamethasone Dipropionate35 claims
  4. Mupirocin23 claims
  5. Ketoconazole22 claims
  6. Hydrocortisone15 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $360.08

11 payments; by number, the most common kind was food and beverage; the largest payer was Corcept Therapeutics. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sam Abaza$360.08
  2. Specialty average$8,544.61

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. LA Laser Center PC A Professional Medical CorporationBakersfield, CA

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

Sam Abaza among 2,083 dermatology physician records in California

Sam Abaza, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 56% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1993 · median 2006 among the 1,450 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. Christopher Harper, M.D.Pomona, CA 917671013150630
  2. Suwapang Pattummadith, MDPomona, CA 917671821037581
  3. David Robles, MD, PHDPomona, CA 917671326156233
  4. Laurie Woll, DOMontclair, CA 917631891865044
  5. Sid Danesh, M.D.San Gabriel, CA 917761063447134
  6. Sumala LopansriMonterey Park, CA 917541962574426
  7. Katie Pang, M.D.Monterey Park, CA 917541750439873
  8. Calvin Sung, MDMonterey Park, CA 917541518426766

Common questions

What is Sam Abaza, M.D.'s NPI number?

Sam Abaza, M.D.'s National Provider Identifier (NPI) is 1831148501, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sam Abaza, M.D. located?

The NPPES record lists a practice address at 1111 Grand Ave Ste K, Diamond Bar, CA, 91765. Phone: (098) 604-2549. Providers update this record themselves, so call before visiting.

How can I verify Sam Abaza, M.D.'s license?

NPPES lists California license number A86393, 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 Abaza, M.D. prescribe under Medicare Part D?

In 2024, Sam Abaza, M.D. had 536 Medicare Part D claims for 276 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Sam Abaza, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.