William Garin Wood, M.D., M.S.
Surgery Physician · Castro Valley, CA
William Garin Wood, M.D., M.S. is a surgery physician with a practice address in Castro Valley, California, and NPI 1821309022, issued on Jun 23, 2010. Check the license (California A119594, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Garin Wood
- Credential
- M.D., M.S.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A119594 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19845 Lake Chabot RD Ste 200, Castro Valley, CA 94546
- Phone
- (510) 538-5500
- Enumerated
- Jun 23, 2010
- Record last updated
- Feb 12, 2026
- Fax
- (510) 538-5505
- Medicare enrollment
- Enrolled (PECOS I20170926002591); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 19845 Lake Chabot RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Krosin, MDOrthopaedic Surgery Physician1578705000
- James Lesher, MDSurgery Physician1689963118
Verify William Garin Wood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average surgery physician in 2024
25 Medicare Part D claims for 15 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $315.03
2 payments; by number, the most common kind was food and beverage; the largest payer was Tela Bio, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Garin Wood among 3,118 surgery physician records in California
William Garin Wood, M.D., M.S. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 67% of them.
- NPI issued2010 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2010 · median 2003 among the 1,901 with a school on file
- Record last updated2026 · 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 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Castro Valley → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Anthony Chan, M.D.Castro Valley, CA 945461285070235
- Louise Hom, M.D.Castro Valley, CA 945461649275330
- James Lesher, MDCastro Valley, CA 945461689963118
- Yoshitsugu Teramoto, MDCastro Valley, CA 945461447375076
- Charles Binkley, MDHayward, CA 945451124106604
- Malcolm Garfinkle, M.D.Hayward, CA 945451215125638
- Susan Heckmann, MDHayward, CA 945451851479604
- Rock Liu, MDHayward, CA 945451174601256
Common questions
What is William Garin Wood, M.D., M.S.'s NPI number?
William Garin Wood, M.D., M.S.'s National Provider Identifier (NPI) is 1821309022, issued on Jun 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Garin Wood, M.D., M.S. located?
The NPPES record lists a practice address at 19845 Lake Chabot RD Ste 200, Castro Valley, CA, 94546. Phone: (510) 538-5500. Providers update this record themselves, so call before visiting.
How can I verify William Garin Wood, M.D., M.S.'s license?
NPPES lists California license number A119594, 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 William Garin Wood, M.D., M.S. prescribe under Medicare Part D?
In 2024, William Garin Wood, M.D., M.S. had 25 Medicare Part D claims for 15 beneficiaries; the average among surgery physician prescribers was 147. 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.