Ran S. Kim, MD, Inc

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

Legal business name

RAN S. KIM, MD, INC

Practice address

1399 Ygnacio Valley Rd Ste 11D
Walnut Creek, CA 94598-2874

Phone

(925) 430-5613

Fax

(510) 340-5420

NPI assigned

Sep 18, 2026

Last updated

Sep 18, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Ran Kim, MDNPI 1437237005

Title

Owner/Physician

Phone

(925) 787-2914

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Ran S Kim, M.D.

  • Colon & Rectal Surgery Physician
  • Walnut Creek, CA
  • NPI 1437237005
  Authorized official Same address or phone

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

{
    "created_epoch": "1789689600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789689600000",
    "number": "1982516530",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1399 YGNACIO VALLEY RD STE 11D",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982874",
            "telephone_number": "925-430-5613",
            "fax_number": "510-340-5420"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1399 YGNACIO VALLEY RD STE 11D",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982874",
            "telephone_number": "925-430-5613",
            "fax_number": "510-340-5420"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RAN S. KIM, MD, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-09-18",
        "last_updated": "2026-09-18",
        "certification_date": "2026-09-18",
        "status": "A",
        "authorized_official_last_name": "KIM",
        "authorized_official_first_name": "RAN",
        "authorized_official_title_or_position": "OWNER/PHYSICIAN",
        "authorized_official_telephone_number": "925-787-2914",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anthony Michael Ramos
• Christina Louise Ramos, MS
• Jonnalyn Posadas Ramos
• Susana Ramos
• Ybette Ramos
• Matthew Rana
• Priyanka Ranade, DO
• Tushar Ranchod, MD
• Lora Mina Rancourt, PA-C
• Julia Randall

• Surgery Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.