KATHERINE MICHELLE RIEF M.D.
NPI 1376076232
Internal Medicine - Critical Care Medicine in Scottsdale, AZ

Q: What is Katherine Rief's NPI number?

The NPI number for Katherine Rief is 1376076232. It was assigned to this individual provider in the NPPES registry on April 7, 2017.

Q: What is Katherine Rief's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Rief was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 April 07, 2017PECOS Enrolled

13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 5, 2026, Mar 23, 2026 (2 updates tracked since 2026).

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About Katherine Michelle Rief M.d. NPPES

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

KATHERINE MICHELLE RIEF M.D. (NPI 1376076232) is an individual critical care medicine provider in Scottsdale, Arizona, licensed in Arizona (78935) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1376076232

Entity TypeIndividualFemale

Primary Taxonomy207RC0200X

Provider Legal NameKATHERINE MICHELLE RIEFCredential: M.D.

Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5404

Mailing AddressPo Box 860912Minneapolis, MN 55486-0912

Phone(480) 301-8000

Sole ProprietorNo

Enumeration DateApril 7, 2017

Last NPPES UpdateAugust 5, 20262 updates tracked since enumeration

NPPES CertifiedAugust 5, 2026

✔ NPI 1376076232 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

Licenses✔ Licensed in AZ · 78935✔ Licensed in MO · 2024019056

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedEmergency MedicineTaxonomy 207P00000X · License 2024019056 (MO), 66676 (TN)

Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License 2024019056 (MO), 66676 (TN)

13400 E SHEA BLVD, Scottsdale, AZ 85259

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Secondary Practice Location 1

Location 11 Barnes Jew Hosp PlzSaint Louis, MO 63110-1003 · Phone (314) 454-8762 · Fax (314) 454-7524

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Michelle Rief M.d. 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 Rief reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mayo Clinic Arizona

Same address

Multi-Specialty

13400 E SHEA BLVD
Scottsdale, AZ 85259

Reassigned Medicare billing, Arizona enrollment
1,792 clinicians in this Medicare group

NPI 1558332494 (480) 301-8000

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 85259 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

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.

AMITKUMAR MEHTA MD

Internal Medicine (Hematology & Oncology)