DR. JAMES FENG MD, MS
NPI 1699333567
Orthopaedic Surgery in Oakland, CA
About Dr. James Feng Md, Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES FENG MD, MS (NPI 1699333567) is an individual orthopaedic surgery provider in Oakland, California, licensed in Michigan (4351045574) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Feng Md, Ms is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show James Feng reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94611
- Reassigned Medicare billing, California enrollment
- 211 clinicians in this Medicare group
San Pablo, CA 94806
- Reassigned Medicare billing, California enrollment
- 530 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKLAND, CA 94611
OAKLAND, CA 94611
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Feng's NPI number?
The NPI number for James Feng is 1699333567. It was assigned to this individual provider in the NPPES registry on June 5, 2019.
Where is James Feng located?
James Feng practices at 3315 Broadway, Oakland, CA 94611. The listed phone number is (925) 939-8585.
What is James Feng's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is James Feng enrolled in Medicare?
Yes. James Feng is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Feng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Feng reassigns Medicare benefits to 3 organizations: Golden State Orthopedics & Spine (Oakland, CA), Contra Costa County (San Pablo, CA) and John Muir Trauma Physicians Billing Service (Walnut Creek, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Feng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for James Feng was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. James Feng, MD, MS · NPI 1699333567
Orthopaedic Surgery physician in Oakland, California. Individual provider, active in the CMS NPPES registry since June 5, 2019.
## Identity
- **NPI:** 1699333567 (Entity type: Individual)
- **Enumerated:** June 5, 2019
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 4351045574 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3315 BROADWAY, Oakland, CA 94611-5717
- **Phone:** (925) 939-8585
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Golden State Orthopedics & Spine (NPI 1164175592, Oakland, CA); Contra Costa County (NPI 1417036484, San Pablo, CA); John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1699333567) · Data from the CMS NPPES public registry.