Individual provider Active NPI

Colby Kulyn, MD

  • Internal Medicine Physician
  • Bakersfield, CA
National Provider Identifier
1972244465
Registry record updated Aug 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A200949 Issued in CA
Practice address
1700 Mount Vernon Ave
Bakersfield, CA 93306-4018
Phone
(661) 326-2200
Fax
(661) 326-2950
NPI assigned
Apr 6, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X A200949 CA Primary

Addresses

Primary practice location

1700 Mount Vernon Ave
Bakersfield, CA 93306-4018

Mailing address

1700 Mount Vernon Ave
Bakersfield, CA 93306-4018
Phone (661) 326-2200

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250917003818 CA Practitioner - Internal Medicine 0042714594 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Vituity Hospitalists PCGroup PAC ID 2567714090, 78 clinicians

Practice addresses (Care Compare)

2175 Rosaline Ave
Redding, CA 96001-2549
Phone (530) 225-6000

Hospital & facility affiliations

  • Mercy Medical Center Redding Hospital, Redding, CA, CCN 050280
  • St Elizabeth Community Hospital Hospital, Red Bluff, CA, CCN 050042

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A200949CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Vituity Hospitalists PC Internal Medicine CurrentSince Sep 1, 2025 Accepting new patients
Vituity Hospitalists PC Internal Medicine CurrentSince Sep 1, 2025 Accepting new patients

Locations

2100 Powell St
Ste 400
Emeryville, CA 94608
Phone (510) 350-2638

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

2175 Rosaline Ave
Redding, CA 96001
Phone (530) 225-7247

Organizations & group practices 2

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1649203200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754265600000",
    "number": "1972244465",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1700 MOUNT VERNON AVE",
            "city": "BAKERSFIELD",
            "state": "CA",
            "postal_code": "933064018",
            "telephone_number": "661-326-2200",
            "fax_number": "661-326-2950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1700 MOUNT VERNON AVE",
            "city": "BAKERSFIELD",
            "state": "CA",
            "postal_code": "933064018",
            "telephone_number": "661-326-2200",
            "fax_number": "661-326-2950"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KULYN",
        "first_name": "COLBY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-06",
        "last_updated": "2025-08-04",
        "certification_date": "2025-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A200949",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bakersfield, CA

Sources for this page

Verify at the official NPI Registry.