JOHN DERMOT FITZGERALD MD
NPI 1841215027
Internal Medicine - Rheumatology in Los Angeles, CA
About John Dermot Fitzgerald Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN DERMOT FITZGERALD MD (NPI 1841215027) is an individual rheumatology provider in Los Angeles, California, licensed in California (G80802) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Dermot Fitzgerald Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Fitzgerald reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Fitzgerald's NPI number?
The NPI number for John Fitzgerald is 1841215027. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is John Fitzgerald located?
John Fitzgerald practices at 200 Medical Plaza #214,365,530,420,120, Los Angeles, CA 90095. The listed phone number is (310) 825-2448.
What is John Fitzgerald's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is John Fitzgerald enrolled in Medicare?
Yes. John Fitzgerald is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Fitzgerald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Fitzgerald reassigns Medicare benefits to The Regents Of The University Of California (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Fitzgerald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Fitzgerald was last updated on June 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John Dermot Fitzgerald, MD · NPI 1841215027
Rheumatology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 12, 2006.
## Identity
- **NPI:** 1841215027 (Entity type: Individual)
- **Enumerated:** July 12, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** G80802 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 MEDICAL PLAZA, #214,365,530,420,120, Los Angeles, CA 90095-3075
- **Phone:** (310) 825-2448
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** June 14, 2010
- **Other identifiers:** Medicaid 00G808020 (CA); Medicare UPIN G24452 (CA); Medicare PIN WG80802A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1841215027) · Data from the CMS NPPES public registry.