Richard Donald Gregory, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Fresno, CA
Richard Donald Gregory, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Fresno, California, and NPI 1942289962, issued on Jan 10, 2006. Check the license (California G75677, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Donald Gregory
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- G75677 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1377 E Herndon Ave Ste 104, Fresno, CA 93720
- Phone
- (559) 450-7455
- Enumerated
- Jan 10, 2006
- Record last updated
- Jan 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (559) 450-7473
- Medicare enrollment
- Enrolled (PECOS I20060220000540); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Verify Richard Donald Gregory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
24 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
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): 72.7 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).
Industry payments in 2024: $533.88
12 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 4,047 providers of this specialty with any payment received $7,828.84 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
- Saint Agnes Medical FoundationFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Donald Gregory among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
Richard Donald Gregory, MD is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1991 · median 1997 among the 408 with a school on file
- Record last updated2012 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California
There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.
All 634 in California → Every provider in Fresno → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Peter Birnbaum, MDFresno, CA 937201740269752
- Joe Bolton, MDFresno, CA 937201518055441
- Shamsuddin Khwaja, M.D.Fresno, CA 937201679570527
- John Lin, M.D.Fresno, CA 937201992961270
- Ramesh Pamula, M.D.Fresno, CA 937201356382295
- Paul Stefanacci, M.D.Fresno, CA 937201912015504
- Robert Stewart, MDFresno, CA 937201659350668
- Juan Calzetta, MDSalinas, CA 939011427034685
Common questions
What is Richard Donald Gregory, MD's NPI number?
Richard Donald Gregory, MD's National Provider Identifier (NPI) is 1942289962, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Donald Gregory, MD located?
The NPPES record lists a practice address at 1377 E Herndon Ave Ste 104, Fresno, CA, 93720. Phone: (559) 450-7455. Providers update this record themselves, so call before visiting.
How can I verify Richard Donald Gregory, MD's license?
NPPES lists California license number G75677, 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 Donald Gregory, MD prescribe under Medicare Part D?
In 2024, Richard Donald Gregory, MD had 24 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is Richard Donald Gregory, MD's MIPS final score?
The 2023 MIPS final score is 72.7 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.