Richard F. McGuire, M.D.
Gastroenterology Physician · Fullerton, CA
Richard F. McGuire, M.D. is a gastroenterology physician with a practice address in Fullerton, California, and NPI 1437196730, issued on Jun 2, 2006. Check the license (California G60070, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard F. McGuire
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G60070 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1521 S Harbor Blvd, Fullerton, CA 92832
- Phone
- (714) 990-0911
- Enumerated
- Jun 2, 2006
- Record last updated
- Jul 14, 2026
- Fax
- (714) 256-9172
- Medicaid ID
- 00G600700 CA
- Medicare enrollment
- Enrolled (PECOS I20060510000488); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1521 S Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Dougherty, M.D.Endocrinology, Diabetes & Metabolism Physician1699712232
- Jennifer Viray, NPNurse Practitioner1801316591
Verify Richard F. McGuire in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60070Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.4 times the Medicare Part D claims of the average gastroenterology physician in 2024
5,219 Medicare Part D claims for 666 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 181 claims were for opioids.
Most prescribed
- Famotidine317 claims
- Pantoprazole Sodium256 claims
- Atorvastatin Calcium236 claims
- Sod Sulf-Potass Sulf-Mag Sulf171 claims
- Losartan Potassium164 claims
- Omeprazole157 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.
Industry payments in 2024: $216.12
9 payments; by number, the most common kind was food and beverage; the largest payer was Qol Medical, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Caremore Medical Group IncLa Mirada, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard F. McGuire among 2,140 gastroenterology physician records in California
Richard F. McGuire, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1984 · median 2002 among the 1,538 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Fullerton → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Martin Carr, M.D.Fullerton, CA 928351326034265
- Patrick Koo, MDFullerton, CA 928351801152772
- Sajen Mathews, MDFullerton, CA 928351326048323
- Yeeshun Miao, M.D.Fullerton, CA 928351518953983
- Kumkum Patel, M.D., MPHFullerton, CA 928351003178138
- Vijay Prabhakar, M.D.Fullerton, CA 928351932593167
- Scott Sainburg, M.D.Fullerton, CA 928351184610552
- Eugene Yoon, M.D.Fullerton, CA 928351861618449
Common questions
What is Richard F. McGuire, M.D.'s NPI number?
Richard F. McGuire, M.D.'s National Provider Identifier (NPI) is 1437196730, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard F. McGuire, M.D. located?
The NPPES record lists a practice address at 1521 S Harbor Blvd, Fullerton, CA, 92832. Phone: (714) 990-0911. Providers update this record themselves, so call before visiting.
How can I verify Richard F. McGuire, M.D.'s license?
NPPES lists California license number G60070, 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 Richard F. McGuire, M.D. prescribe under Medicare Part D?
In 2024, Richard F. McGuire, M.D. had 5,219 Medicare Part D claims for 666 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.