Gregory Gawayne Vaughan, M.D.
Family Medicine Physician · Auburn, CA
Gregory Gawayne Vaughan, M.D. is a family medicine physician with a practice address in Auburn, California, and NPI 1023270030, issued on Jun 30, 2008. Check the license (California A110068, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Gawayne Vaughan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A110068 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3256 Professional Dr, Auburn, CA 95602
- Phone
- (530) 886-8630
- Enumerated
- Jun 30, 2008
- Record last updated
- Oct 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (530) 886-8629
- Medicare enrollment
- Enrolled (PECOS I20130711000807); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3256 Professional Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Vaughan, M.D.General Practice Physician1053303461
Verify Gregory Gawayne Vaughan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110068Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average family medicine physician in 2024
5,951 Medicare Part D claims for 495 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 115 claims were for opioids.
Most prescribed
- Atorvastatin Calcium446 claims
- Losartan Potassium333 claims
- Levothyroxine Sodium238 claims
- Amlodipine Besylate219 claims
- Lisinopril200 claims
- Gabapentin157 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.
Bills Medicare through one group practice
- Auburn Medical Group, IncAuburn, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Gawayne Vaughan among 17,133 family medicine physician records in California
Gregory Gawayne Vaughan, M.D. is one of 17,133 family medicine 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family medicine physician records list a practice address in Auburn
They are 45 of the 1,392 NPPES records with a practice address in Auburn, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Auburn → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marco Hur, DOAuburn, CA 956021386189405
- Dennis Levin, MDAuburn, CA 956021053415430
- Kevin Maxwell, MDAuburn, CA 956021659396323
- Dennis Michel, M.D.Auburn, CA 956021649256835
- Michael Mulligan, MDAuburn, CA 956021053411892
- Michele Oneill, MDAuburn, CA 956021811997588
- Andrea Thomas, DOAuburn, CA 956021649730680
- Raja Tooma, M.D.Auburn, CA 956021497714927
Common questions
What is Gregory Gawayne Vaughan, M.D.'s NPI number?
Gregory Gawayne Vaughan, M.D.'s National Provider Identifier (NPI) is 1023270030, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Gawayne Vaughan, M.D. located?
The NPPES record lists a practice address at 3256 Professional Dr, Auburn, CA, 95602. Phone: (530) 886-8630. Providers update this record themselves, so call before visiting.
How can I verify Gregory Gawayne Vaughan, M.D.'s license?
NPPES lists California license number A110068, 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 Gregory Gawayne Vaughan, M.D. prescribe under Medicare Part D?
In 2024, Gregory Gawayne Vaughan, M.D. had 5,951 Medicare Part D claims for 495 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.