KATHERINE KARLSON FNP-C
NPI 1376328104
Nurse Practitioner - Family in Scottsdale, AZ

Q: What is Katherine Karlson's NPI number?

The NPI number for Katherine Karlson is 1376328104. It was assigned to this individual provider in the NPPES registry on August 29, 2023.

Q: What is Katherine Karlson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Karlson was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 29, 2023PECOS Enrolled

9328 E RAINTREE DR, SCOTTSDALE, AZ 85260(602) 266-8463(602) 266-0122 Get Directions Write a Review

NPPES record last updated: March 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 20, 2026, Aug 29, 2023 (2 updates tracked since 2023).

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About Katherine Karlson Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE KARLSON FNP-C (NPI 1376328104) is an individual family provider in Scottsdale, Arizona, licensed in Arizona (296547) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chandler.

NPPES Registry Identity

NPI1376328104

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKATHERINE KARLSONCredential: FNP-C

Location Address9328 E RAINTREE DRScottsdale, AZ 85260-2098

Mailing Address9328 E Raintree DrScottsdale, AZ 85260-2098 · (602) 266-8463 · Fax (602) 266-0122

Phone(602) 266-8463

Fax(602) 266-0122

Sole ProprietorNo

Enumeration DateAugust 29, 2023

Last NPPES UpdateMarch 20, 20262 updates tracked since enumeration

NPPES CertifiedMarch 20, 2026

✔ NPI 1376328104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in AZ · 296547

Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 296547 (AZ)

Also ListedNurse PractitionerTaxonomy 363L00000X · License 296547 (AZ)

9328 E RAINTREE DR, Scottsdale, AZ 85260

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Secondary Practice Location 1

Location 15520 W Chandler Blvd Ste 3Chandler, AZ 85226-3693 · Phone (602) 266-8463 · Fax (602) 266-0122

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Karlson Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Karlson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Signify Health, LLC

871 mi

General Practice

4055 VALLEY VIEW LN STE 700
Dallas, TX 75244

Reassigned Medicare billing, Arizona enrollment
556 clinicians in this Medicare group

NPI 1689158487 (469) 466-7007

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85260 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CROSSROADS INSTITUTE

Specialist