James Feng, MD, MS

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

4351045574 Issued in MI

Practice address

3315 Broadway
Oakland, CA 94611-5717

Phone

(925) 939-8585

NPI assigned

Jun 5, 2019

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Orthopedic Surgery

Education

New York University School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Golden State Orthopedics and SpineGroup PAC ID 8224940739, 186 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Silverline Staff Home Health Home health agency, Fremont, CA, CCN 559548
• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496
• Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043
• Alta Bates Summit Medical Center - Alta Bates Camp Hospital, Berkeley, CA, CCN 050305

Merit-based Incentive Payment System (MIPS)

Final score

84.37 of 100Reported as group

Quality

66.73

Promoting interoperability

100

Improvement activities

40

Cost

70.98

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Master of Science

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jfeng751872@hisp.ehr.sutterhealth.org
• Direct secure messaging: james.feng.p1@direct.muirortho.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • Walnut Creek, CA
  • NPI 1972552990
  Medicare reassignment Care Compare group NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • San Jose, CA
  • NPI 1245021401
  NPD
• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • Oakland, CA
  • NPI 1710761960
  NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861
  NPD
• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • San Francisco, CA
  • NPI 1457004897
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• John Muir Health

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation
• John Muir Health

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  Care Compare affiliation
• Silverline Staff Inc

  • Home Health Agency
  • Fremont, CA
  • NPI 1902371446
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1295181477
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Berkeley, CA
  • NPI 1639523004
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1559692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1699333567",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2625 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-939-8585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3315 BROADWAY",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115717",
            "telephone_number": "925-939-8585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FENG",
        "first_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "MD, MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-05",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0114X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery",
            "state": "CA",
            "license": "A201224",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "TX",
            "license": null,
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MI",
            "license": "4351045574",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carla M Felten, LCSW
• Felton Institute
• Ellen Feltovich
• Arthur K Feng, PHARM. D.
• Christine Anna Feng, PHARMD
• Sarah Feng
• Nirupa Ruth Fenn, BCBA
• Rebecca Bebb Fenn, ASW
• Carol Fenner, PH.D.
• Kamla Fennimore, M.A.

• Orthopaedic Surgery Physician in Oakland, CA
• Providers in Oakland, CA by specialty
• Orthopaedic Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.