An Thien Phan, M.D.
Psychiatry Physician · Sacramento, CA
An Thien Phan, M.D. is a psychiatry physician with a practice address in Sacramento, California, and NPI 1154857373, issued on May 8, 2017. Check the license (California A195739, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- An Thien Phan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A195739 CA
173638 AK
MDR-7300 HI
Self-reported in NPPES; status is on the state search - Practice location
- 4604A Roosevelt Ave, Sacramento, CA 95820
- Phone
- (916) 457-3129
- Enumerated
- May 8, 2017
- Record last updated
- Jan 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20210909000169); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2017
- 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 4604A Roosevelt Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kitty AhrensSocial Worker1114498441
- Coleen AllenSocial Worker1518601418
- Melissa ArnettMarriage & Family Therapist1215325386
- Annitra BhullarMarriage & Family Therapist1639712508
- Catherine Dunn-SarmientoLicensed Vocational Nurse1780366880
- Erika FallsLicensed Vocational Nurse1194668905
Verify An Thien Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A195739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average psychiatry physician in 2024
366 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam39 claims
- Trazodone Hcl32 claims
- Duloxetine Hcl25 claims
- Quetiapine Fumarate25 claims
- Fluoxetine Hcl23 claims
- Lorazepam17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
3 hospitals and group practices
- Southeast Alaska Regional Health ConsortiumSitka, AK · Critical Access Hospitals3 of 5 stars
- County OF San JoaquinStockton, CA
- Psynergy Programs, Inc.Morgan Hill, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
An Thien Phan among 8,673 psychiatry physician records in California
An Thien Phan, 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2017 · median 2005 among the 3,295 with a school on file
- Record last updated2026 · 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).
331 psychiatry physician records list a practice address in Sacramento
They are 331 of the 33,083 NPPES records with a practice address in Sacramento, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Sacramento → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Warren KaneSacramento, CA 958201992233175
- Alan Koike, M.D.Sacramento, CA 958201487636270
- Marcia Mallorca, M.D.Sacramento, CA 958201053722983
- Julie Motosue-Brennan, MDSacramento, CA 958201003806498
- Zola Quao, MDSacramento, CA 958201487158986
- Lynne Love, M.D.Sacramento, CA 958211063450500
- Janak Mehtani, M.D.Sacramento, CA 958211477581106
- Mehdi Moghaddas, M.D.Sacramento, CA 958211407884406
Common questions
What is An Thien Phan, M.D.'s NPI number?
An Thien Phan, M.D.'s National Provider Identifier (NPI) is 1154857373, issued on May 8, 2017. An NPI identifies a provider in billing; it is not a license.
Where is An Thien Phan, M.D. located?
The NPPES record lists a practice address at 4604A Roosevelt Ave, Sacramento, CA, 95820. Phone: (916) 457-3129. Providers update this record themselves, so call before visiting.
How can I verify An Thien Phan, M.D.'s license?
NPPES lists California license number A195739, 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 An Thien Phan, M.D. prescribe under Medicare Part D?
In 2024, An Thien Phan, M.D. had 366 Medicare Part D claims for 29 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is An Thien Phan, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.