Katherine Karlson, FNP-C
NPI 1376328104 · Family Nurse Practitioner · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Karlson, FNP-C is a Family Nurse Practitioner provider in Scottsdale, AZ (NPI 1376328104).
Provider details
- NPI number
- 1376328104
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 296547 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 5520 W Chandler Blvd Ste 3Chandler, AZ 85226-3693Phone: (602) 266-8463Fax: (602) 266-0122
Registry dates
- Enumerated
- 2023-08-29
- Last updated
- 2026-03-20
- Certified
- 2026-03-20
Frequently asked questions
- What is Katherine Karlson's NPI number?
- Katherine Karlson's National Provider Identifier (NPI) is 1376328104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Karlson's specialty?
- Katherine Karlson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Karlson located?
- Katherine Karlson's practice location on file with NPPES is 9328 E Raintree Dr, Scottsdale, AZ 85260-2098.
- What is Katherine Karlson's phone number?
- The practice phone number listed in the NPPES registry for Katherine Karlson is (602) 266-8463.
- Does Katherine Karlson accept Medicare?
- Katherine Karlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Karlson's NPI active?
- Yes — Katherine Karlson's NPI (1376328104) is active in the NPPES registry as of the last update on 2026-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.