John W. Tam, D.P.M.
Foot & Ankle Surgery Podiatrist · Glendora, CA
John W. Tam, D.P.M. is a foot & ankle surgery podiatrist with a practice address in Glendora, California, and NPI 1942292602, issued on Aug 18, 2005. Check the license (California E2153, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John W. Tam
- Credential
- D.P.M.
- Primary taxonomy
- Foot & Ankle Surgery Podiatrist 213ES0103X
- License number
- E2153 CA
Self-reported in NPPES; status is on the state search - Practice location
- 222 E Route 66, Glendora, CA 91740
- Phone
- (626) 914-4661
- Enumerated
- Aug 18, 2005
- Record last updated
- Jan 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (626) 335-1840
- Medicaid ID
- GRE001090 CA
- Medicare enrollment
- Enrolled (PECOS I20050714000786); may accept Medicare assignment
- Medical or professional school
- California School Of Podiatric Medicine, 1977
- Entity
- Type 1 · individual
8 nearest foot & ankle surgery podiatrist records → All 1,248 in California → Look up another NPI →
Also registered at 222 E Route 66
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Tam, PA-CPhysician Assistant1467604314
Verify John W. Tam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license E2153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024
64 Medicare Part D claims for 24 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ketoconazole28 claims
- Meloxicam11 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.
Industry payments in 2024: $356.95
3 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 6,936 providers of this specialty with any payment received $2,972.24 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.
John W. Tam among 1,248 foot & ankle surgery podiatrist records in California
John W. Tam, D.P.M. is one of 1,248 foot & ankle surgery podiatrist records with a practice address in California. 86% 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, 95% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1977 · median 2010 among the 970 with a school on file
- Record last updated2011 · 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 213ES0103X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Foot & Ankle Surgery Podiatrist providers in California
There are 1,248 foot & ankle surgery podiatrist records in California.
All 1,248 in California → Every provider in Glendora → Foot & Ankle Surgery Podiatrist nationwide →
The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes
- Ashutosh Ailani, DPMGlendora, CA 917401538884929
- Jennifer Chen, DPM. MPHGlendora, CA 917401033506142
- Steven Kaplan, D.P.M.Glendora, CA 917401366428310
- Brittany Everson, DPMGlendora, CA 917411891349932
- Anna Maria Tan, DPMGlendora, CA 917411154741858
- Shylla Taqi, DPMRancho Cucamonga, CA 917391053873471
- Michael O'Shea, DPMHacienda Hts, CA 917451295846152
- Michael Stastny, DPMHacienda Heights, CA 917451093058216
Common questions
What is John W. Tam, D.P.M.'s NPI number?
John W. Tam, D.P.M.'s National Provider Identifier (NPI) is 1942292602, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John W. Tam, D.P.M. located?
The NPPES record lists a practice address at 222 E Route 66, Glendora, CA, 91740. Phone: (626) 914-4661. Providers update this record themselves, so call before visiting.
How can I verify John W. Tam, D.P.M.'s license?
NPPES lists California license number E2153, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John W. Tam, D.P.M. prescribe under Medicare Part D?
In 2024, John W. Tam, D.P.M. had 64 Medicare Part D claims for 24 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. 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.