Spencer H. Wang, MD
Physical Medicine & Rehabilitation Physician · Vallejo, CA
Spencer H. Wang, MD is a physical medicine & rehabilitation physician with a practice address in Vallejo, California, and NPI 1245318880, issued on Nov 1, 2006. Check the license (California G85041, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Spencer H. Wang
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- G85041 CA
Self-reported in NPPES; status is on the state search - Practice location
- 975 Sereno Dr, Vallejo, CA 94589
- Phone
- (707) 651-2306
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G850410 CA
- Medicare enrollment
- Enrolled (PECOS I20101201000483); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1993
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Also registered at 975 Sereno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
- Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
- Anthony Acquaviva, MDUrology Physician1457439283
- Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
- Omid AfshariPharmacist1184165391
- Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687
Verify Spencer H. Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85041Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
38 Medicare Part D claims for 22 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Prednisone20 claims
- Gabapentin11 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
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer H. Wang among 1,549 physical medicine & rehabilitation physician records in California
Spencer H. Wang, MD is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 70% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1993 · median 2008 among the 786 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
All 1,549 in California → Every provider in Vallejo → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Elliott Block, DOVallejo, CA 945891154810034
- Kailynn Boyd, DPTVallejo, CA 945891952237463
- Ilyas Chaudry, MDVallejo, CA 945891851479687
- Ralph Crisostomo, MDVallejo, CA 945891144292525
- Ryan Doan, M.D.Vallejo, CA 945891568788834
- Melissa Kelly, DOVallejo, CA 945891699129775
- Lynn Kostecki-Csanyi, MDVallejo, CA 945891285712182
- Jessica RodriguezVallejo, CA 945891275469785
Common questions
What is Spencer H. Wang, MD's NPI number?
Spencer H. Wang, MD's National Provider Identifier (NPI) is 1245318880, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Spencer H. Wang, MD located?
The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-2306. Providers update this record themselves, so call before visiting.
How can I verify Spencer H. Wang, MD's license?
NPPES lists California license number G85041, 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 Spencer H. Wang, MD prescribe under Medicare Part D?
In 2024, Spencer H. Wang, MD had 38 Medicare Part D claims for 22 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.