Darren Vo, M.D.
Internal Medicine Physician · San Francisco, CA
Darren Vo, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1477948826, issued on Apr 2, 2015. Check the license (California A162945, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Darren Vo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A162945 CA
25MA09861500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1520 Stockton Street, San Francisco, CA 94133
- Phone
- (415) 391-9686
- Enumerated
- Apr 2, 2015
- Record last updated
- Oct 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (415) 352-5089
- Medicare enrollment
- Enrolled (PECOS I20160811001515); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1520 Stockton Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel ChanSpecialist1356417349
- Lydia HsuContinuing Education/Staff Development Registered Nurse1114082005
- Peggy HuangDiabetes Educator Registered Nurse1184797003
- Jack Huynh, MDInternal Medicine Physician1548334543
- Thinn Khaing, M.D.Internal Medicine Physician1396939724
- Sihao Lam, MDPediatrics Physician1528132511
Verify Darren Vo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A162945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 73% of the cost of the top drugs
4,693 Medicare Part D claims for 274 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 27 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Atorvastatin Calcium592 claims
- Amlodipine Besylate457 claims
- Losartan Potassium255 claims
- Fluticasone Propionate165 claims
- Abrysvo157 claims
- Omeprazole147 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.
Bills Medicare through one group practice
- North East Medical ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren Vo among 17,696 internal medicine physician records in California
Darren Vo, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leila Alpers, M.D.San Francisco, CA 941331881706935
- Kenneth Chan, MDSan Francisco, CA 941331912091919
- Kenneth Chang, MDSan Francisco, CA 941331609832724
- Qingquan Fu, MDSan Francisco, CA 941331578673620
- Judy Hsu, MDSan Francisco, CA 941331043384050
- Jack Huynh, MDSan Francisco, CA 941331548334543
- Thinn Khaing, M.D.San Francisco, CA 941331396939724
- Edward Ko, MDSan Francisco, CA 941331841364841
Common questions
What is Darren Vo, M.D.'s NPI number?
Darren Vo, M.D.'s National Provider Identifier (NPI) is 1477948826, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Darren Vo, M.D. located?
The NPPES record lists a practice address at 1520 Stockton Street, San Francisco, CA, 94133. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.
How can I verify Darren Vo, M.D.'s license?
NPPES lists California license number A162945, 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 Darren Vo, M.D. prescribe under Medicare Part D?
In 2024, Darren Vo, M.D. had 4,693 Medicare Part D claims for 274 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.