Patrick L. Fitzgibbons, M.D.
Anatomic Pathology & Clinical Pathology Physician · Fullerton, CA
Patrick L. Fitzgibbons, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Fullerton, California, and NPI 1568415743, issued on May 18, 2006. Check the license (California G48387, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patrick L. Fitzgibbons
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- G48387 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 E Valencia Mesa Dr, Fullerton, CA 92835
- Phone
- (714) 446-7505
- Enumerated
- May 18, 2006
- Record last updated
- May 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (714) 446-7546
- Medicaid ID
- 00G483870 CA
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 101 E Valencia Mesa Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Abbott, MDEmergency Medicine Physician1518907864
- Nelson Aguinaga, RN, FNPFamily Nurse Practitioner1043909609
- Jonathon Ahn, MDAnesthesiology Physician1053803882
- Sora Ahn, RNCritical Care Medicine Registered Nurse1730026493
- Sherry Ansari, DPTPhysical Medicine & Rehabilitation Physician1467972992
- Tandeep Bains, PHARM.D.Pharmacist1568958114
Verify Patrick L. Fitzgibbons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 25.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Patrick L. Fitzgibbons among 1,554 anatomic pathology & clinical pathology physician records in California
Patrick L. Fitzgibbons, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Fullerton → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Mark Boonyasampant, M.D.Fullerton, CA 928351396037537
- John Craig, M.D.Fullerton, CA 928351538112206
- Sandhya John, M.D.Fullerton, CA 928351528402427
- Aditya Kuwadekar, M.D.Fullerton, CA 928351790139285
- Jay Packer, M.D.Fullerton, CA 928351821033150
- Antony Chen, DOGarden Grove, CA 928431235327701
- Si Nguyen, M.D.Garden Grove, CA 928431841234952
- David Huebner-Chan, MDAnaheim, CA 928071134290190
Common questions
What is Patrick L. Fitzgibbons, M.D.'s NPI number?
Patrick L. Fitzgibbons, M.D.'s National Provider Identifier (NPI) is 1568415743, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick L. Fitzgibbons, M.D. located?
The NPPES record lists a practice address at 101 E Valencia Mesa Dr, Fullerton, CA, 92835. Phone: (714) 446-7505. Providers update this record themselves, so call before visiting.
How can I verify Patrick L. Fitzgibbons, M.D.'s license?
NPPES lists California license number G48387, 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.
What is Patrick L. Fitzgibbons, M.D.'s MIPS final score?
The 2023 MIPS final score is 25.2 of 100. 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.