Katharine Blair Broyles, F.N.P.-BC

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

APN.0997704-NP Issued in CO

Practice address

2769 Iris Ave Ste 108
Boulder, CO 80304-4405

Phone

(720) 816-3228

Fax

(775) 363-1711

NPI assigned

Sep 6, 2013

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Katharine Blair Krogdahl Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner

State licenses

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

{
    "created_epoch": "1378425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1962837120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2769 IRIS AVE STE 108",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803044405",
            "telephone_number": "720-816-3228",
            "fax_number": "775-363-1711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2769 IRIS AVE STE 108",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803044405",
            "telephone_number": "720-816-3228",
            "fax_number": "775-363-1711"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BROYLES",
        "first_name": "KATHARINE",
        "middle_name": "BLAIR",
        "credential": "F.N.P.-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-09-06",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CO",
            "license": "APN.0997704-NP",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHARINE",
            "last_name": "KROGDAHL",
            "middle_name": "BLAIR",
            "credential": "F.N.P.-BC",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Trina Renee Brown, MFTI
• Hillary L Browne, MD
• Allison Browner
• Nicholas Chadd Browning
• Paul Kenneth Brownstone, M.D.
• Diane Marie Brozowsky, PT
• Anne Brubacher, LCSW
• William H Brubaker, M.D.
• Brandon Bruce
• Dina Brudenell, M.D.

• Nurse Practitioner in Boulder, CO
• Providers in Boulder, CO by specialty
• Nurse Practitioner in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 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.