Chunbong Benjamin Ma, MD

Primary specialty

Sports Medicine (Orthopaedic Surgery) PhysicianTaxonomy code 207XX0005X

License

A83610 Issued in CA

Practice address

1701 Divisadero St
San Francisco, CA 94143-0001

Phone

(415) 353-7566

Fax

(415) 885-3862

NPI assigned

May 16, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Johns Hopkins University School of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians

UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Care in Touch Home Health Agency Home health agency, Fremont, CA, CCN 059554
• UCSF Medical Center Hospital, San Francisco, CA, CCN 050454
• Sonoma Valley Hospital Hospital, Sonoma, CA, CCN 050090
• Marinhealth Medical Center Hospital, Greenbrae, CA, CCN 050360

Merit-based Incentive Payment System (MIPS)

Final score

87.01 of 100Reported as group

Quality

86.78

Improvement activities

40

Cost

70.46

Merit-based Incentive Payment System (MIPS)

Final score

84.89 of 100Reported as group

Quality

81.13

Improvement activities

40

Cost

71.5

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cma28746@direct-ucsfmedicalcenter.org

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.

• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment Care Compare group NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment Care Compare group NPD
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851
  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• UCSF Health Community Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1316061997
  NPD (past)
• University of California San Francisco

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • San Francisco, CA
  • NPI 1992818256
  NPD (past)

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

• Care in Touch Home Health Agency

  • Home Health Agency
  • Fremont, CA
  • NPI 1437428802
  Care Compare affiliation
• Marin General Hospital

  • General Acute Care Hospital
  • Greenbrae, CA
  • NPI 1396725677
  Care Compare affiliation
• Sonoma Valley Health Care District

  • General Acute Care Hospital
  • Sonoma, CA
  • NPI 1710063870
  Care Compare affiliation
• University of California, San Francisco

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1689772592
  Care Compare affiliation

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

{
    "created_epoch": "1147737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1750333191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO ST",
            "address_2": "STE 625, BOX 1821",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-476-4029",
            "fax_number": "415-476-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1701 DIVISADERO ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-353-7566",
            "fax_number": "415-885-3862"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MA",
        "first_name": "CHUNBONG",
        "middle_name": "BENJAMIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-16",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "CA",
            "license": "A83610",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A836100",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• M-Pact Innovators LLC
• Ma Acupuncture PC
• Angela Y Ma, LCSW
• Averil I Ma, M.D.
• Christina Ma
• Diane Ma, PHARMIST
• Fion Ma, MS,CGC
• Guipeng Ma, RN
• Hanley Ma, M.D.
• Harrison Howard Ma, PT, DPT, CSCS

• Sports Medicine (Orthopaedic Surgery) Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Sports Medicine (Orthopaedic Surgery) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.