NPPES file of Aug 9, 2026

Hamed Nayeb-Hashemi

Gastroenterology Physician · Los Angeles, CA

Hamed Nayeb-Hashemi is a gastroenterology physician with a practice address in Los Angeles, California, and NPI 1285874990, issued on Feb 20, 2009. Check the license (California A106620, 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
1285874990
Name
Hamed Nayeb-Hashemi
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A106620 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Med Plaza #365, 420, 120, Los Angeles, CA 90095
Phone
(805) 418-3500
Enumerated
Feb 20, 2009
Record last updated
Oct 26, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
102526104 PA
Medicare enrollment
Enrolled (PECOS I20140909002389); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 2007
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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Verify Hamed Nayeb-Hashemi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A106620
    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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2.5 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,057 Medicare Part D claims for 671 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Hamed Nayeb-Hashemi2,057
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium532 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf256 claims
  3. Omeprazole190 claims
  4. Famotidine153 claims
  5. Linzess93 claims
  6. Dexlansoprazole Dr65 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): 86.1 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 score82.9
  2. Costout of 100 · 30%66.7
  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: $159.56

3 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hamed Nayeb-Hashemi$159.56
  2. Specialty average$5,015.95

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 CaliforniaLos Angeles, CA

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

Hamed Nayeb-Hashemi among 2,140 gastroenterology physician records in California

Hamed Nayeb-Hashemi is one of 2,140 gastroenterology 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 2009, is newer than 69% of them.

  • NPI issued2009 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2007 · median 2002 among the 1,538 with a school on file
  • Record last updated2017 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Peter Anton, MDLos Angeles, CA 900951487689410
  2. Richard Aranda, MDLos Angeles, CA 900951104851138
  3. Robert Brook, MDLos Angeles, CA 900951104850403
  4. Lin Chang, MDLos Angeles, CA 900951770518557
  5. Daniel Cole, MDLos Angeles, CA 900951073539185
  6. Marvin Derezin, MDLos Angeles, CA 900951881610905
  7. Eric Esrailian, MDLos Angeles, CA 900951821021130
  8. Terri Getzug, MDLos Angeles, CA 900951982629176

Common questions

What is Hamed Nayeb-Hashemi's NPI number?

Hamed Nayeb-Hashemi's National Provider Identifier (NPI) is 1285874990, issued on Feb 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Hamed Nayeb-Hashemi located?

The NPPES record lists a practice address at 200 Med Plaza #365, 420, 120, Los Angeles, CA, 90095. Phone: (805) 418-3500. Providers update this record themselves, so call before visiting.

How can I verify Hamed Nayeb-Hashemi's license?

NPPES lists California license number A106620, 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 Hamed Nayeb-Hashemi prescribe under Medicare Part D?

In 2024, Hamed Nayeb-Hashemi had 2,057 Medicare Part D claims for 671 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Hamed Nayeb-Hashemi's MIPS final score?

The 2023 MIPS final score is 86.1 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.