John Dermot Fitzgerald, MD
Rheumatology Physician · Los Angeles, CA
John Dermot Fitzgerald, MD is a rheumatology physician with a practice address in Los Angeles, California, and NPI 1841215027, issued on Jul 12, 2006. Check the license (California G80802, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Dermot Fitzgerald
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G80802 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza, Los Angeles, CA 90095
- Phone
- (310) 825-2448
- Enumerated
- Jul 12, 2006
- Record last updated
- Jun 14, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00G808020 CA
- Medicare enrollment
- Enrolled (PECOS I20091104000638); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 200 Medical Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Dermot Fitzgerald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G80802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average rheumatology physician in 2024
748 Medicare Part D claims for 119 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 85 claims were for opioids.
Most prescribed
- Allopurinol96 claims
- Prednisone48 claims
- Methotrexate33 claims
- Leflunomide29 claims
- Hydroxychloroquine Sulfate28 claims
- Hydrocodone-Acetaminophen26 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 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).
John Dermot Fitzgerald among 926 rheumatology physician records in California
John Dermot Fitzgerald, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1993 · median 2003 among the 641 with a school on file
- Record last updated2010 · 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.
All 926 in California → Every provider in Los Angeles → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Ernest Brahn, MDLos Angeles, CA 900951528092079
- Ken Bulpitt, MDLos Angeles, CA 900951619902764
- Philip Clements, MDLos Angeles, CA 900951811913924
- Meika Fang, MDLos Angeles, CA 900951801821095
- Alan Gorn, MDLos Angeles, CA 900951952321176
- Jennifer Grossman, MDLos Angeles, CA 900951548289820
- Bevra Hahn, MDLos Angeles, CA 900951992723936
- Jennifer King, MDLos Angeles, CA 900951942290564
Common questions
What is John Dermot Fitzgerald, MD's NPI number?
John Dermot Fitzgerald, MD's National Provider Identifier (NPI) is 1841215027, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Dermot Fitzgerald, MD located?
The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 825-2448. Providers update this record themselves, so call before visiting.
How can I verify John Dermot Fitzgerald, MD's license?
NPPES lists California license number G80802, 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 John Dermot Fitzgerald, MD prescribe under Medicare Part D?
In 2024, John Dermot Fitzgerald, MD had 748 Medicare Part D claims for 119 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is John Dermot Fitzgerald, MD'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.