Theresa Diem-Hang Bui, DO
Psychiatry Physician · San Francisco, CA
Theresa Diem-Hang Bui, DO is a psychiatry physician with a practice address in San Francisco, California, and NPI 1144576414, issued on Jul 24, 2012. Check the license (California 20A15617, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Theresa Diem-Hang Bui
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 20A15617 CA
P6147 TX
Self-reported in NPPES; status is on the state search - Practice location
- 490 Post St Ste 1043, San Francisco, CA 94102
- Phone
- (925) 282-1778
- Enumerated
- Jul 24, 2012
- Record last updated
- Apr 10, 2024
- Fax
- (415) 296-5299
- Entity
- Type 1 · individual
Also registered at 490 Post St Ste 1043
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Attia, LCSWClinical Social Worker1336266816
- Maria Bracamonte, LCSWClinical Social Worker1750755435
- Nicolas Canon Salazar, MDPsychiatry Physician1306045281
- Ronnie Cummings, M.D.Psychiatry Physician1255537940
- Namjas Enman, MDPsychiatry Physician1508112855
- Lynne Fiore, PHDPsychologist1316157340
Verify Theresa Diem-Hang Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
17 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 82% of 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.
763 psychiatry physician records list a practice address in San Francisco
They are 763 of the 38,143 NPPES records with a practice address in San Francisco, and 8,673 psychiatry physician records in California.
All 763 in San Francisco → All 8,673 in California → Every provider in San Francisco →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Theresa Diem-Hang Bui, DO's NPI number?
Theresa Diem-Hang Bui, DO's National Provider Identifier (NPI) is 1144576414, issued on Jul 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Diem-Hang Bui, DO located?
The NPPES record lists a practice address at 490 Post St Ste 1043, San Francisco, CA, 94102. Phone: (925) 282-1778. Providers update this record themselves, so call before visiting.
How can I verify Theresa Diem-Hang Bui, DO's license?
NPPES lists California license number 20A15617, 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 Theresa Diem-Hang Bui, DO prescribe under Medicare Part D?
In 2024, Theresa Diem-Hang Bui, DO had 17 Medicare Part D claims; 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.