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Internal Medicine

Amirhossin Afshar, MD

Works at hospitals in French Camp, CA · California

Summary

Dr. Amirhossin Afshar, MD is an internal medicine doctor at 500 W Hospital Rd, French Camp, CA 95231. Phone: (209) 468-6600. Accepts Medicare assignment. In 2024, Amirhossin Afshar had 194 Original Medicare patients and 232 services. NPI 1043749757. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 500 W Hospital Rd, French Camp, CA 95231 · Directions
  • Phone: (209) 468‑6600
  • Medicare: Accepts Medicare assignment
  • Hospital: San Joaquin General Hospital
  • Group practice: San Joaquin Faculty Medical Group
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Amirhossin Afshar, 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 Amirhossin Afshar accept Medicare assignment?
Yes. Medicare's clinician data says Amirhossin Afshar 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 Amirhossin Afshar see?
In 2024, CMS data shows 194 Original Medicare patients and 232 services for Amirhossin Afshar. This counts Original Medicare only and measures volume, not quality.
What is Amirhossin Afshar's NPI number?
1043749757. 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 Amirhossin Afshar, 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 patients194
Services billed to Medicare232
Different services or procedures18
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)89 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)77 services
  3. Critical care, first 30-74 minutes (99291)12 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 blood pressure75%
  • High cholesterol75%
  • Diabetes58%
  • Chronic kidney disease52%
  • Heart failure39%
  • Atrial fibrillation32%

Hospitals where Amirhossin Afshar works

Medicare's Facility Affiliation Data lists Amirhossin Afshar 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.

  • San Joaquin General HospitalFrench Camp, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050167

Practice locations

Addresses where Amirhossin Afshar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amirhossin Afshar as a member of this group (CMS data updated October 2, 2026).

  • San Joaquin Faculty Medical Group128 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in French Camp

Clinicians with the same Medicare primary specialty in French Camp, CA — not a recommendation.

All internal medicine doctors in French Camp →

Other clinicians in San Joaquin Faculty Medical Group

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043749757
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