Colbey Ricklefs, MD

Primary specialty

Pediatric Adolescent Medicine PhysicianTaxonomy code 2080A0000X

License

A185610 Issued in CA

Practice address

1975 4TH St
San Francisco, CA 94143-2351

Phone

(415) 353-2002

NPI assigned

Mar 26, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Pediatric Medicine

Education

University of Missouri, Columbia School of Medicine, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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
• UCSF Pediatrics Associates

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1376614016
  Medicare reassignment
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1053948257",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 16TH ST # 110",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432549",
            "telephone_number": "415-502-2067",
            "fax_number": "206-520-2405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1975 4TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432351",
            "telephone_number": "415-353-2002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "550 16th St # 110",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941432549",
            "country_code": "US",
            "telephone_number": "415-502-2067",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RICKLEFS",
        "first_name": "COLBEY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2080A0000X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Adolescent Medicine",
            "state": "CA",
            "license": "A185610",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Arianna Faith Richwood
• Carly Rick
• Jeffrey Rickard, RN
• Jana L Rickerson, LCSW
• Charles G Rickert, MD, PHD
• Kimberly Anne Rickman
• Betty Ann Ricks
• Ricky Fishman & Barbara Rinkoff, PTR
• Philip M Rico II, BA
• Ephraim Riday

• Pediatric Adolescent Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Pediatric Adolescent Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.