Kimberly S. Thayer, MD

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

A60138 Issued in CA

Practice address

441 N Lakeview Ave
Medical Staff Office, Kaiser Foundation Hospital
Anaheim, CA 92807-3028

Phone

(714) 279-4000

NPI assigned

Oct 31, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in CA, MI, MT3 enrollments

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 3

Specialty

Urology

Education

University of California, Irvine, California College of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Enloe Medical CenterGroup PAC ID 9739092388, 330 clinicians

SCL Health Medical Group - Billings LLCGroup PAC ID 9638491574, 291 clinicians

Bronson Battle Creek HospitalGroup PAC ID 0547173478, 187 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Enloe Health Hospital, Chico, CA, CCN 050039
• Bronson Battle Creek Hospital Hospital, Battle Creek, MI, CCN 230075
• Oroville Hospital Hospital, Oroville, CA, CCN 050030
• Intermountain Health St Vincent Regional Hospital Hospital, Billings, MT, CCN 270049

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: direct@direct.bronsonhg.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.

• Enloe Medical Center

  • Urgent Care Clinic/Center
  • Chico, CA
  • NPI 1396753281
  Medicare reassignment Care Compare group NPD
• Bronson Battle Creek Hospital

  • Internal Medicine Physician
  • Battle Creek, MI
  • NPI 1093119638
  Medicare reassignment Care Compare group NPD
• SCL Health Medical Group - Billings LLC

  • Clinic/Center
  • Billings, MT
  • NPI 1508289703
  Medicare reassignment Care Compare group
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment NPD
• Bronson Methodist Hospital

  • Hospitalist Physician
  • Kalamazoo, MI
  • NPI 1417961137
  Medicare reassignment NPD
• Enloe Medical Center

  • Clinic/Center
  • Chico, CA
  • NPI 1255812780

  Urology

  NPD
• Enloe Medical Center

  • Community/Retail Pharmacy
  • Chico, CA
  • NPI 1912949538
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Anaheim, CA
  • NPI 1952333460
  NPD
• Bronson Battle Creek Hospital

  • Community/Retail Pharmacy
  • Battle Creek, MI
  • NPI 1740351907
  NPD
• SCL Health Medical Group - Billings LLC

  • Rural Health Clinic/Center
  • Absarokee, MT
  • NPI 1649883539
  NPD
• SCL Health Medical Group - Billings, LLC

  • Endocrinology, Diabetes & Metabolism Physician
  • Billings, MT
  • NPI 1003701558
  NPD

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

• Enloe Medical Center

  • General Acute Care Hospital
  • Chico, CA
  • NPI 1417901091
  Care Compare affiliation
• Oroville Hospital

  • General Acute Care Hospital
  • Oroville, CA
  • NPI 1871606269
  Care Compare affiliation
• Bronson Battle Creek Hospital

  • General Acute Care Hospital
  • Battle Creek, MI
  • NPI 1083644579
  Care Compare affiliation
• SCL Health Montana

  • General Acute Care Hospital
  • Billings, MT
  • NPI 1083655997
  Care Compare affiliation
• St. Vincent Healthcare

  • General Acute Care Hospital
  • Billings, MT
  • NPI 1396916276
  Care Compare affiliation

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

{
    "created_epoch": "1162252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1851478713",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "441 N LAKEVIEW AVE",
            "address_2": "MEDICAL STAFF OFFICE, KAISER FOUNDATION HOSPITAL",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928073028",
            "telephone_number": "714-279-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "441 N LAKEVIEW AVE",
            "address_2": "MEDICAL STAFF OFFICE, KAISER FOUNDATION HOSPITAL",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928073028",
            "telephone_number": "714-279-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4441 Capital Ave SW",
            "address_purpose": "LOCATION",
            "city": "Battle Creek",
            "state": "MI",
            "postal_code": "490159359",
            "country_code": "US",
            "telephone_number": "269-788-6888",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THAYER",
        "first_name": "KIMBERLY",
        "middle_name": "S.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-31",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "CA",
            "license": "A60138",
            "primary": true
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MI",
            "license": "4301516062",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A601380",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@direct.bronsonhg.org",
            "affiliation": "N",
            "endpointDescription": "Bronson Healthcare Group Direct address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Continuity of Care Document",
            "address_1": "601 John St",
            "city": "Kalamazoo",
            "state": "MI",
            "country_code": "US",
            "postal_code": "490075341",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "441 N Lakeview Ave",
            "city": "Anaheim",
            "state": "CA",
            "country_code": "US",
            "postal_code": "928073028",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jyotsna U. Thakkar, MD
• Kamya Uday Thakkar, M.D.
• Thanhha Thi Bui, DDS, Inc
• Thaohoang Professional Corporation
• Kathryn Jean Thayer
• The Anaheim VHS Limited Partnership
• The Anaheim VHS Limited Partnership
• The Anaheim VHS Limited Partnership
• The Anaheim VHS Limited Partnership
• The Anaheim VHS Limited Partnership

• Urology Physician in Anaheim, CA
• Providers in Anaheim, CA by specialty
• Urology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 30, 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.