James Feng, MD, MS
Orthopaedic Surgery Physician · Oakland, CA
James Feng, MD, MS is an orthopaedic surgery physician with a practice address in Oakland, California, and NPI 1699333567, issued on Jun 5, 2019. Check the license (California A201224, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Feng
- Credential
- MD, MS
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- A201224 CA
4351045574 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3315 Broadway, Oakland, CA 94611
- Phone
- (925) 939-8585
- Enumerated
- Jun 5, 2019
- Record last updated
- Sep 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20250917001884); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 3315 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Trese Biagini, N.P.Acute Care Nurse Practitioner1538601182
- Leslie ChuFamily Nurse Practitioner1134987951
- Michael Duffy, PAPhysician Assistant1801839188
- Kirandeep GrewalSurgical Physician Assistant1710552708
- Saqib Hasan, M.D.Orthopaedic Surgery of the Spine Physician1275894214
- Paige Johnson, PA-CSurgical Physician Assistant1306570148
Verify James Feng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A201224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
44 Medicare Part D claims for 21 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Ondansetron Odt12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $11,303.64
37 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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.
Bills Medicare through one group practice
- Golden State Orthopedics And SpineOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Feng among 2,276 orthopaedic surgery physician records in California
James Feng, MD, MS is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2003 among the 1,347 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Oakland → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Thomas Barber, MDOakland, CA 946111760560569
- Stefano Bini, MDOakland, CA 946111619055415
- Robert Burri, MDOakland, CA 946111861570467
- John Cummins, MDOakland, CA 946111558449322
- Eric Eisemon, MDOakland, CA 946111093988974
- Joshua Hatch, MDOakland, CA 946111881772689
- Robert Hoffman, MDOakland, CA 946111699854398
- Todd Lincoln, MDOakland, CA 946111245318021
Common questions
What is James Feng, MD, MS's NPI number?
James Feng, MD, MS's National Provider Identifier (NPI) is 1699333567, issued on Jun 5, 2019. An NPI identifies a provider in billing; it is not a license.
Where is James Feng, MD, MS located?
The NPPES record lists a practice address at 3315 Broadway, Oakland, CA, 94611. Phone: (925) 939-8585. Providers update this record themselves, so call before visiting.
How can I verify James Feng, MD, MS's license?
NPPES lists California license number A201224, 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 James Feng, MD, MS prescribe under Medicare Part D?
In 2024, James Feng, MD, MS had 44 Medicare Part D claims for 21 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is James Feng, MD, MS's MIPS final score?
The 2023 MIPS final score is 81 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.