Guy R. Gullion, M. D.
Psychiatry Physician · Sebastopol, CA
Guy R. Gullion, M. D. is a psychiatry physician with a practice address in Sebastopol, California, and NPI 1457440844, issued on Oct 12, 2006. Check the license (California A050284, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Guy R. Gullion
- Credential
- M. D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A050284 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 Pleasant Hill Ave N, Sebastopol, CA 95472
- Phone
- (707) 329-6943
- Enumerated
- Oct 12, 2006
- Record last updated
- Jul 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 120 Pleasant Hill Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Havstad, PH.D.Cognitive & Behavioral Psychologist1801923396
Verify Guy R. Gullion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A050284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Guy R. Gullion among 8,673 psychiatry physician records in California
Guy R. Gullion, M. D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in Sebastopol → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Barbara McCoard, M.DSebastopol, CA 954721407889561
- Randy Rischette, MDSebastopol, CA 954721467679258
- Aileen Camacho, MDRedwood Valley, CA 954701841495454
- Peter Mayland, MDRedwood Valley, CA 954701003013889
- Megan Burns, M.D.Sonoma, CA 954761780737080
- John Evans, MDSonoma, CA 954761093733073
- Elena Fowler, MDSonoma, CA 954761457303869
- Soheila Khajavi, MDSonoma, CA 954761942257712
Common questions
What is Guy R. Gullion, M. D.'s NPI number?
Guy R. Gullion, M. D.'s National Provider Identifier (NPI) is 1457440844, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guy R. Gullion, M. D. located?
The NPPES record lists a practice address at 120 Pleasant Hill Ave N, Sebastopol, CA, 95472. Phone: (707) 329-6943. Providers update this record themselves, so call before visiting.
How can I verify Guy R. Gullion, M. D.'s license?
NPPES lists California license number A050284, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.