Katherine Michelle Rief, M.D.
Critical Care Medicine (Internal Medicine) Physician · Scottsdale, AZ
Katherine Michelle Rief, M.D. is a critical care medicine (internal medicine) physician with a practice address in Scottsdale, Arizona, and NPI 1376076232, issued on Apr 7, 2017. Check the license (Arizona 78935, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Michelle Rief
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 78935 AZ
2024019056 MO
66676 TN
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- Apr 7, 2017
- Record last updated
- Aug 5, 2026
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 180 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Michelle Rief in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 78935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
15 Medicare Part D claims for 13 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Katherine Michelle Rief among 180 critical care medicine (internal medicine) physician records in Arizona
Katherine Michelle Rief, M.D. is one of 180 critical care medicine (internal medicine) physician records with a practice address in Arizona. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 86% of these records are
- Record last updated2026 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Arizona
There are 180 critical care medicine (internal medicine) physician records in Arizona.
All 180 in Arizona → Every provider in Scottsdale → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Shehabaldin Alqalyoobi, M.D.Scottsdale, AZ 852591245679141
- Janhavi Athale, M.D.Scottsdale, AZ 852591598031429
- Rodrigo Cartin-Ceba, MDScottsdale, AZ 852591720176688
- Joseph Farmer, M.D.Scottsdale, AZ 852591982681664
- Kealy Ham, M.D.Scottsdale, AZ 852591730294018
- Kyle Henry, MDScottsdale, AZ 852591194161588
- Pritesh Patel, MDScottsdale, AZ 852591689876898
- Danica Quickfall, MD CMScottsdale, AZ 852591609675214
Common questions
What is Katherine Michelle Rief, M.D.'s NPI number?
Katherine Michelle Rief, M.D.'s National Provider Identifier (NPI) is 1376076232, issued on Apr 7, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Michelle Rief, M.D. located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Katherine Michelle Rief, M.D.'s license?
NPPES lists Arizona license number 78935, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Michelle Rief, M.D. prescribe under Medicare Part D?
In 2024, Katherine Michelle Rief, M.D. had 15 Medicare Part D claims for 13 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.