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Hand Surgery

Amir H. Mostofi, MD

Works at hospitals in Pasadena, CA · Pomona, CA · Glendale, CA · California

Summary

Dr. Amir H. Mostofi, MD is a hand surgeon at 2627 E Washington Blvd, Pasadena, CA 91107. Phone: (626) 797-2002. Accepts Medicare assignment. In 2024, Amir H. Mostofi had 647 Original Medicare patients and 14,531 services. NPI 1518140268. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Amir H. Mostofi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Amir H. Mostofi accept Medicare assignment?
Yes. Medicare's clinician data says Amir H. Mostofi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Amir H. Mostofi see?
In 2024, CMS data shows 647 Original Medicare patients and 14,531 services for Amir H. Mostofi. This counts Original Medicare only and measures volume, not quality.
What is Amir H. Mostofi's NPI number?
1518140268. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Amir H. Mostofi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients647
Services billed to Medicare14,531
Different services or procedures84
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)12,088 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)399 services
  3. Injection into tendon or ligament (20550)238 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)236 services
  5. X-ray of wrist, minimum of 3 views (73110)178 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure72%
  • Arthritis69%
  • Diabetes34%
  • Ischemic heart disease28%
  • Depression20%

Hospitals where Amir H. Mostofi works

Medicare's Facility Affiliation Data lists Amir H. Mostofi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Amir H. Mostofi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amir H. Mostofi as a member of this group (CMS data updated October 2, 2026).

  • Cedars-Sinai Medical Care Foundation1,692 clinicians in the group

Specialties

Find other Hand Surgery doctors in California →

Other hand surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All hand surgeons in California →

Other clinicians in Cedars-Sinai Medical Care Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518140268
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians