James Leonard Knudson, DPM
Foot & Ankle Surgery Podiatrist · Culver City, CA
James Leonard Knudson, DPM is a foot & ankle surgery podiatrist with a practice address in Culver City, California, and NPI 1851356109, issued on Apr 19, 2006. Check the license (California E2159, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Leonard Knudson
- Credential
- DPM
- Primary taxonomy
- Foot & Ankle Surgery Podiatrist 213ES0103X
- License number
- E2159 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9808 Venice Blvd Ste 600, Culver City, CA 90232
- Phone
- (310) 876-1579
- Enumerated
- Apr 19, 2006
- Record last updated
- Feb 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 000E21590 CA
- Medicare enrollment
- Enrolled (PECOS I20101109000398); accepts 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 →
Verify James Leonard Knudson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license E2159Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024
380 Medicare Part D claims for 145 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Ciclopirox180 claims
- Ketoconazole52 claims
- Mupirocin21 claims
- Doxycycline Hyclate17 claims
- Naproxen12 claims
- Silver Sulfadiazine12 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: $211.90
10 payments; by number, the most common kind was food and beverage; the largest payer was Paratek Pharmaceuticals, 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.
James Leonard Knudson among 1,248 foot & ankle surgery podiatrist records in California
James Leonard Knudson, DPM 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 69% 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 updated2021 · 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 Culver City → Foot & Ankle Surgery Podiatrist nationwide →
The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes
- Adam Chan, DPMDowney, CA 902401063152098
- Peter Park, DPMDowney, CA 902401104825033
- Aditi Panchal, DPMDowney, CA 902411922327980
- Maria Mejia-Perez, D.P.M.Downey, CA 902421558706804
- Long Truong, DPMDowney, CA 902421689017899
- Lisa Chu, D.P.M.Gardena, CA 902471871673616
- Nidal Khaja, D.P.M.Gardena, CA 902471013177633
- John Shun, D.P.M.Gardena, CA 902471255778726
Common questions
What is James Leonard Knudson, DPM's NPI number?
James Leonard Knudson, DPM's National Provider Identifier (NPI) is 1851356109, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Leonard Knudson, DPM located?
The NPPES record lists a practice address at 9808 Venice Blvd Ste 600, Culver City, CA, 90232. Phone: (310) 876-1579. Providers update this record themselves, so call before visiting.
How can I verify James Leonard Knudson, DPM's license?
NPPES lists California license number E2159, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does James Leonard Knudson, DPM prescribe under Medicare Part D?
In 2024, James Leonard Knudson, DPM had 380 Medicare Part D claims for 145 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.