Paul I. Wachter, M.D.
Psychiatry Physician · San Mateo, CA
Paul I. Wachter, M.D. is a psychiatry physician with a practice address in San Mateo, California, and NPI 1902994528, issued on Oct 10, 2006. Check the license (California G10654, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul I. Wachter
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G10654 CA
Self-reported in NPPES; status is on the state search - Practice location
- 327 N San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 347-9146
- Enumerated
- Oct 10, 2006
- Record last updated
- Feb 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (650) 343-3078
- Medicare enrollment
- Enrolled (PECOS I20071214000345); may accept Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1961
- 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 327 N San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Paul I. Wachter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G10654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average psychiatry physician in 2024
191 Medicare Part D claims for 22 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam24 claims
- Quetiapine Fumarate24 claims
- Trazodone Hcl18 claims
- Escitalopram Oxalate17 claims
- Alprazolam13 claims
- Sertraline Hcl13 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.
Paul I. Wachter among 8,673 psychiatry physician records in California
Paul I. Wachter, 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1961 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 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).
89 psychiatry physician records list a practice address in San Mateo
They are 89 of the 3,909 NPPES records with a practice address in San Mateo, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Mateo → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Isenman, MDSan Mateo, CA 944011225071400
- Desiree Li, MDSan Mateo, CA 944011053816306
- Vanna Sutherland, M.D.San Mateo, CA 944011801957303
- William Tatomer, MDSan Mateo, CA 944011104862689
- Jeffrey Weiner, M.D.San Mateo, CA 944011508138090
- Edward Zeff, M.D.San Mateo, CA 944011548302508
- James Bae, M.D.San Mateo, CA 944021801062302
- Kenneth Etefia, M.D.San Mateo, CA 944021346437787
Common questions
What is Paul I. Wachter, M.D.'s NPI number?
Paul I. Wachter, M.D.'s National Provider Identifier (NPI) is 1902994528, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul I. Wachter, M.D. located?
The NPPES record lists a practice address at 327 N San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 347-9146. Providers update this record themselves, so call before visiting.
How can I verify Paul I. Wachter, M.D.'s license?
NPPES lists California license number G10654, 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 Paul I. Wachter, M.D. prescribe under Medicare Part D?
In 2024, Paul I. Wachter, M.D. had 191 Medicare Part D claims for 22 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.