NPPES file of Aug 9, 2026

Jeff Sarkozi, M.D.

Rheumatology Physician · Santa Ana, CA

Jeff Sarkozi, M.D. is a rheumatology physician with a practice address in Santa Ana, California, and NPI 1699812388, issued on Jan 31, 2007. Check the license (California A45308, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699812388
Name
Jeff Sarkozi
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
A45308 CA
Self-reported in NPPES; status is on the state search
Practice location
801 N Tustin Ave, Santa Ana, CA 92705
Phone
(714) 973-4636
Enumerated
Jan 31, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 801 N Tustin Ave

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

  1. Kathy Anderson, M.D.Obstetrics & Gynecology Physician1922185966
  2. Thomas Badin, M.D.Family Medicine Physician1740358704
  3. Alexander Bonakdar, O.DOptometrist1588668917
  4. Bahareh Bonyadi, D.O.Neurology Physician1679729453
  5. Paul Brailsford, M.D.Ophthalmology Physician1770543118
  6. Michael Brodsky, MDSpecialist1275538423

Verify Jeff Sarkozi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A45308
    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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95% fewer Medicare Part D claims than the average rheumatology physician in 2024

107 Medicare Part D claims, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Jeff Sarkozi107
  2. Specialty average1,978

Most prescribed

  1. Omeprazole18 claims
  2. Alendronate Sodium13 claims
  3. Hydroxychloroquine Sulfate13 claims
  4. Hydrocodone-Acetaminophen12 claims
  5. Tramadol Hcl12 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.

Jeff Sarkozi among 926 rheumatology physician records in California

Jeff Sarkozi, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in California

There are 926 rheumatology physician records in California.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Ronald Kaufman, MDSanta Ana, CA 927071053302000
  2. Ana Maheshwari, MDFountain Valley, CA 927081306259130
  3. Gihyun MyungFountain Valley, CA 927081902160922
  4. Gharoon Panahi, MDFountain Valley, CA 927081912956053
  5. Krishan Khurana, MDSanta Ana, CA 927011972606549
  6. Hernan Castro-Rueda, M.D.Mission Viejo, CA 926911720162092
  7. Catherine Driver, M.D.Mission Viejo, CA 926911356469266
  8. Fatemeh Jafari Farshami, M.D.Mission Viejo, CA 926911386049260

Common questions

What is Jeff Sarkozi, M.D.'s NPI number?

Jeff Sarkozi, M.D.'s National Provider Identifier (NPI) is 1699812388, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jeff Sarkozi, M.D. located?

The NPPES record lists a practice address at 801 N Tustin Ave, Santa Ana, CA, 92705. Phone: (714) 973-4636. Providers update this record themselves, so call before visiting.

How can I verify Jeff Sarkozi, M.D.'s license?

NPPES lists California license number A45308, 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 Jeff Sarkozi, M.D. prescribe under Medicare Part D?

In 2024, Jeff Sarkozi, M.D. had 107 Medicare Part D claims; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

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.