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Internal Medicine

Farshid Bozorgnia, MD

Works at hospitals in Colton, CA · California

Summary

Dr. Farshid Bozorgnia, MD is an internal medicine doctor at 12791 Newport Ave, Suite 201, Tustin, CA 92780. Phone: (714) 505-5500. Accepts Medicare assignment. In 2024, Farshid Bozorgnia had 254 Original Medicare patients and 4,763 services. NPI 1922493220. 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: 12791 Newport Ave, Suite 201, Tustin, CA 92780 · Directions (2 more locations)
  • Phone: (714) 505‑5500
  • Medicare: Accepts Medicare assignment
  • Hospital: Arrowhead Regional Medical Center
  • Group practice: Quantum Healthcare Medical Associates Inc (+3 more)
  • Medical school: Wayne State University School Of Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Farshid Bozorgnia, 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 Farshid Bozorgnia accept Medicare assignment?
Yes. Medicare's clinician data says Farshid Bozorgnia 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 Farshid Bozorgnia see?
In 2024, CMS data shows 254 Original Medicare patients and 4,763 services for Farshid Bozorgnia. This counts Original Medicare only and measures volume, not quality.
What is Farshid Bozorgnia's NPI number?
1922493220. 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 Farshid Bozorgnia, 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 patients254
Services billed to Medicare4,763
Different services or procedures30
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)1,080 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)352 services
  3. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)158 services
  4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)144 services
  5. Injection of drug or substance under skin or into muscle (96372)43 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%
  • Arthritis75%
  • High blood pressure73%
  • Osteoporosis39%
  • Diabetes36%
  • Ischemic heart disease31%

Hospitals where Farshid Bozorgnia works

Medicare's Facility Affiliation Data lists Farshid Bozorgnia 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 Farshid Bozorgnia is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Farshid Bozorgnia as a member of these groups (CMS data updated October 2, 2026).

  • Quantum Healthcare Medical Associates Inc109 clinicians in the group
  • Telemedicine Group PC100 clinicians in the group
  • Clinic Services of California Medical Group Inc61 clinicians in the group
  • Robin K Dore MD Inc2 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Tustin

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

All internal medicine doctors in Tustin →

Other clinicians in Quantum Healthcare Medical Associates Inc

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922493220
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