Gregory Taylor Michas, D.O.
Psychiatry Physician · Walnut Creek, CA
Gregory Taylor Michas, D.O. is a psychiatry physician with a practice address in Walnut Creek, California, and NPI 1285039651, issued on Oct 28, 2014. Check the license (California 20A15586, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Taylor Michas
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 20A15586 CA
U03533 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Oak RD Ste 270, Walnut Creek, CA 94597
- Phone
- (925) 944-9711
- Enumerated
- Oct 28, 2014
- Record last updated
- Aug 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (925) 944-9709
- Medicare enrollment
- Enrolled (PECOS I20170622002286); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 3100 Oak RD Ste 270
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Padmalatha Akkireddi, M.D.Psychiatry Physician1881869659
- Yousuf Allawala, M.D.Psychiatry Physician1497709810
- Indulatha Aramandla, M.D.Psychiatry Physician1295831014
- Raghunath Bansal, M.D.Psychiatry Physician1255445086
- Val Bellman, MDPsychiatry Physician1386273415
- Christina Bulleit, DOPsychiatry Physician1861075517
Verify Gregory Taylor Michas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average psychiatry physician in 2024
3,466 Medicare Part D claims for 221 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Trazodone Hcl217 claims
- Bupropion Xl177 claims
- Lorazepam177 claims
- Zolpidem Tartrate140 claims
- Escitalopram Oxalate139 claims
- Duloxetine Hcl138 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: $43.94
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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
- Comprehensive Psychiatric Services A Medical GroupWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Taylor Michas among 8,673 psychiatry physician records in California
Gregory Taylor Michas, D.O. 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. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2013 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 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).
67 psychiatry physician records list a practice address in Walnut Creek
They are 67 of the 6,170 NPPES records with a practice address in Walnut Creek, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Walnut Creek → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Padmalatha Akkireddi, M.D.Walnut Creek, CA 945971881869659
- Yousuf Allawala, M.D.Walnut Creek, CA 945971497709810
- Indulatha Aramandla, M.D.Walnut Creek, CA 945971295831014
- Raghunath Bansal, M.D.Walnut Creek, CA 945971255445086
- Maria Emma Castro Lacouture, M.D.Walnut Creek, CA 945971043469687
- Hina Fullar, M.DWalnut Creek, CA 945971356518211
- Jean Gauvin, M.D.Walnut Creek, CA 945971689801912
- Vikrant Mittal, MBBS, MD, MHSWalnut Creek, CA 945971194907584
Common questions
What is Gregory Taylor Michas, D.O.'s NPI number?
Gregory Taylor Michas, D.O.'s National Provider Identifier (NPI) is 1285039651, issued on Oct 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Taylor Michas, D.O. located?
The NPPES record lists a practice address at 3100 Oak RD Ste 270, Walnut Creek, CA, 94597. Phone: (925) 944-9711. Providers update this record themselves, so call before visiting.
How can I verify Gregory Taylor Michas, D.O.'s license?
NPPES lists California license number 20A15586, 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 Taylor Michas, D.O. prescribe under Medicare Part D?
In 2024, Gregory Taylor Michas, D.O. had 3,466 Medicare Part D claims for 221 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.