Dolores Katarzyna Musco, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A77723 Issued in CA

Practice address

12677 Alcosta Blvd Ste 175
San Ramon, CA 94583-4423

Phone

(925) 856-5668

Fax

(925) 856-4020

NPI assigned

Mar 1, 2007

Sex

Female

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 3

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

Family Practice

Education

R Franklin University of Med & Sci/Chicago Medical School, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Home Health Services Home health agency, Concord, CA, CCN 057276
• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
• San Ramon Regional Medical Center Hospital, San Ramon, CA, CCN 050689

Merit-based Incentive Payment System (MIPS)

Final score

90.98 of 100Reported as apm

Quality

80.39

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dmusco35490@ehr.johnmuirhealth.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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• John Muir Health

  • Rehabilitation Hospital Unit
  • Walnut Creek, CA
  • NPI 1447269303
  NPD (past)
• San Ramon Regional Medical Center, LLC

  • General Acute Care Hospital
  • San Ramon, CA
  • NPI 1932131489
  NPD (past)

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

• John Muir Health

  • Home Health Agency
  • Concord, CA
  • NPI 1437161452
  Care Compare affiliation
• John Muir Health

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation
• San Ramon Regional Medical Center, LLC

  • General Acute Care Hospital
  • San Ramon, CA
  • NPI 1932131489
  Care Compare affiliation

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

{
    "created_epoch": "1172707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747180800000",
    "number": "1679601611",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12677 ALCOSTA BLVD STE 175",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945834423",
            "telephone_number": "925-856-5668",
            "fax_number": "925-856-4020"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12677 ALCOSTA BLVD STE 175",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945834423",
            "telephone_number": "925-856-5668",
            "fax_number": "925-856-4020"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MUSCO",
        "first_name": "DOLORES",
        "middle_name": "KATARZYNA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-01",
        "last_updated": "2025-05-14",
        "certification_date": "2025-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A77723",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "00A777230",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "201448585",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "7722555",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Winrose Makena Muriuki, RN
• Claudia Muro
• Aileen Almuete Murphy, D.O.
• Breana Murray
• Swaminathan Murugappan
• Mark Peter Musco, M.D.
• Cathryn M Muzaffar
• Karl Joseph Muzikar, D.D.S.
• My Partner Doc Inc.
• Chloe Myers

• Family Medicine Physician in San Ramon, CA
• Providers in San Ramon, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 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.