Mark David Watanabe, PHARMD, PHD
Psychiatric Pharmacist · San Francisco, CA
Mark David Watanabe, PHARMD, PHD is a psychiatric pharmacist with a practice address in San Francisco, California, and NPI 1104020841, issued on Jun 14, 2007. Check the license (California 37324, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark David Watanabe
- Credential
- PHARMD, PHD
- Primary taxonomy
- Psychiatric Pharmacist 1835P1300X
- License numbers
- 37324 CA
20773 CO
7242 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1380 Howard St RM 130, San Francisco, CA 94103
- Phone
- (415) 255-3659
- Enumerated
- Jun 14, 2007
- Record last updated
- May 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatric pharmacist records → All 125 in California → Look up another NPI →
Also registered at 1380 Howard St RM 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan Arreola BecerraCommunity Health Worker1467950352
- Edmund CarnecerSpecialist1184289142
- Catherine Deng, PHARMDPharmacist1043857287
- Michael FrankStudent in an Organized Health Care Education/Training Program1235745969
- Jasper HaiStudent in an Organized Health Care Education/Training Program1588191464
- Christine LuoPharmacy Technician1598553265
Verify Mark David Watanabe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 37324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average psychiatric pharmacist in 2024
266 Medicare Part D claims for 21 beneficiaries, against an average of 451 among the 46 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl38 claims
- Mirtazapine28 claims
- Aripiprazole23 claims
- Lurasidone Hcl18 claims
- Duloxetine Hcl16 claims
- Escitalopram Oxalate16 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.
Mark David Watanabe among 125 psychiatric pharmacist records in California
Mark David Watanabe, PHARMD, PHD is one of 125 psychiatric pharmacist records with a practice address in California. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 30% of them.
- NPI issued2007 · 30% of these records are older, 57% newer
- In a Medicare fileYes · 21% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P1300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric Pharmacist providers in California
There are 125 psychiatric pharmacist records in California.
All 125 in California → Every provider in San Francisco → Psychiatric Pharmacist nationwide →
The 8 psychiatric pharmacist records with the nearest ZIP codes
- Korana Avdagic, PHARMDSan Francisco, CA 941031558746487
- Christopher Ching, PHARMDSan Francisco, CA 941031922330638
- James Gasper, PHARM.D.San Francisco, CA 941031598763179
- Gloria Wilder, PHARM.D.San Francisco, CA 941031669643953
- Betsy Yuan, PHARM.D.San Francisco, CA 941031255643649
- Kelan Thomas, PHARMDSan Francisco, CA 941071285351262
- Chia-Ling Tsai, PHARMD.San Francisco, CA 941101063766749
- Patrick Finley, PHARM.D. BCPPSan Francisco, CA 941151457358939
Common questions
What is Mark David Watanabe, PHARMD, PHD's NPI number?
Mark David Watanabe, PHARMD, PHD's National Provider Identifier (NPI) is 1104020841, issued on Jun 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark David Watanabe, PHARMD, PHD located?
The NPPES record lists a practice address at 1380 Howard St RM 130, San Francisco, CA, 94103. Phone: (415) 255-3659. Providers update this record themselves, so call before visiting.
How can I verify Mark David Watanabe, PHARMD, PHD's license?
NPPES lists California license number 37324, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark David Watanabe, PHARMD, PHD prescribe under Medicare Part D?
In 2024, Mark David Watanabe, PHARMD, PHD had 266 Medicare Part D claims for 21 beneficiaries; the average among psychiatric pharmacist prescribers was 451. 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.