Thomas Allen Woodbury, D.O.
Geriatric Medicine (Family Medicine) Physician · Rancho Cucamonga, CA
Thomas Allen Woodbury, D.O. is a geriatric medicine (family medicine) physician with a practice address in Rancho Cucamonga, California, and NPI 1609878115, issued on Aug 15, 2005. Check the license (California 20A5929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Allen Woodbury
- Credential
- D.O.
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- 20A5929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9089 Baseline RD, Rancho Cucamonga, CA 91730
- Phone
- (909) 941-9927
- Enumerated
- Aug 15, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (909) 941-9027
- Medicaid ID
- 00AX59290 CA
- Medicare enrollment
- Enrolled (PECOS I20120120000521); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 243 in California → Look up another NPI →
Also registered at 9089 Baseline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Genevieve Buenaflor, D.O.Family Medicine Physician1417094277
- Angela Cochran, PAPhysician Assistant1316155310
- Liza Gonzalez, D.O.Family Medicine Physician1891081485
- Gwendolyn Harville Washington, LCSWClinical Social Worker1467509968
- Daniel Hestehauge, P.APhysician Assistant1427485762
- Holly Miller, PSY.D.Clinical Child & Adolescent Psychologist1700053519
Verify Thomas Allen Woodbury in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A5929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
7,039 Medicare Part D claims for 296 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 72 claims were for opioids.
Most prescribed
- Levothyroxine Sodium430 claims
- Atorvastatin Calcium338 claims
- Eliquis286 claims
- Simvastatin218 claims
- Famotidine200 claims
- Amlodipine Besylate193 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
- Inland Physicians Service IncRancho Cucamonga, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Allen Woodbury among 243 geriatric medicine (family medicine) physician records in California
Thomas Allen Woodbury, D.O. is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1989 · median 2004 among the 111 with a school on file
- Record last updated2026 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in California
There are 243 geriatric medicine (family medicine) physician records in California.
All 243 in California → Every provider in Rancho Cucamonga → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Jung Han, DOEl Monte, CA 917311992092357
- Katie SoeEl Monte, CA 917331881156925
- John Dimare, M.D.Glendora, CA 917411013246578
- Burn Park, M.D.Rowland Heights, CA 917481912196056
- Yi Wang, M.D.City Of Industry, CA 917481427248319
- Diane Deferrante, MDBaldwin Park, CA 917061548337447
- Nancy Gibbs, MDBaldwin Park, CA 917061669543559
- Mary Herman, MDBaldwin Park, CA 917061770654675
Common questions
What is Thomas Allen Woodbury, D.O.'s NPI number?
Thomas Allen Woodbury, D.O.'s National Provider Identifier (NPI) is 1609878115, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Allen Woodbury, D.O. located?
The NPPES record lists a practice address at 9089 Baseline RD, Rancho Cucamonga, CA, 91730. Phone: (909) 941-9927. Providers update this record themselves, so call before visiting.
How can I verify Thomas Allen Woodbury, D.O.'s license?
NPPES lists California license number 20A5929, 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 Thomas Allen Woodbury, D.O. prescribe under Medicare Part D?
In 2024, Thomas Allen Woodbury, D.O. had 7,039 Medicare Part D claims for 296 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.