Sarah Hemi Ryu
Psychiatry Physician · Martinez, CA
Sarah Hemi Ryu is a psychiatry physician with a practice address in Martinez, California, and NPI 1447837067, issued on Mar 28, 2021. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sarah Hemi Ryu
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 327270 NY
Self-reported in NPPES; status is on the state search - Practice location
- 150 Muir RD, Martinez, CA 94553
- Phone
- (925) 372-2000
- Enumerated
- Mar 28, 2021
- Record last updated
- Sep 25, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 150 Muir RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tanya Aaen, PH.D.Clinical Psychologist1477518561
- Pamela AdhlakhaOccupational Therapist1013016575
- Maria Affinito, LCSWClinical Social Worker1962395905
- Janet Alexander, MS-SLPSpeech-Language Pathologist1649214578
- Nigina Ali, PHARM.D.Oncology Pharmacist1760022545
- Anna AllenPharmacist1164909875
Verify Sarah Hemi Ryu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average psychiatry physician in 2024
304 Medicare Part D claims for 34 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluoxetine Hcl39 claims
- Buspirone Hcl34 claims
- Duloxetine Hcl23 claims
- Sertraline Hcl19 claims
- Hydroxyzine Hcl16 claims
- Risperidone16 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.
Sarah Hemi Ryu among 8,673 psychiatry physician records in California
Sarah Hemi Ryu 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2025 · 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).
35 psychiatry physician records list a practice address in Martinez
They are 35 of the 1,816 NPPES records with a practice address in Martinez, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Martinez → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Aneela Ahmed, MDMartinez, CA 945531568545317
- Charita Dagcuta, MDMartinez, CA 945531851461768
- Alina Faramazyan, MDMartinez, CA 945531093898744
- Kristine Girard, MDMartinez, CA 945531124093208
- Rita Hargrave, M.D.Martinez, CA 945531801874219
- George HeitzmanMartinez, CA 945531619054491
- Larry Kean, M.D.Martinez, CA 945531154318830
- Joan Kotun, MDMartinez, CA 945531497791347
Common questions
What is Sarah Hemi Ryu's NPI number?
Sarah Hemi Ryu's National Provider Identifier (NPI) is 1447837067, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Hemi Ryu located?
The NPPES record lists a practice address at 150 Muir RD, Martinez, CA, 94553. Phone: (925) 372-2000. Providers update this record themselves, so call before visiting.
How can I verify Sarah Hemi Ryu's license?
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 Sarah Hemi Ryu prescribe under Medicare Part D?
In 2024, Sarah Hemi Ryu had 304 Medicare Part D claims for 34 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.