Kenneth A. Epstein, MD
Rheumatology Physician · Flagstaff, AZ
Kenneth A. Epstein, MD is a rheumatology physician with a practice address in Flagstaff, Arizona, and NPI 1366415036, issued on Feb 10, 2006. Check the license (Arizona 19589, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth A. Epstein
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 19589 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1338 W Forest Meadows St, Flagstaff, AZ 86001
- Phone
- (928) 213-8631
- Enumerated
- Feb 10, 2006
- Record last updated
- Feb 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (928) 213-8632
- Medicaid ID
- 296964 AZ
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 117 in Arizona → Look up another NPI →
Also registered at 1338 W Forest Meadows St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurel Steinhaus, FNP-BCGeneral Practice Registered Nurse1356596084
Verify Kenneth A. Epstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 19589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 70.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Kenneth A. Epstein among 117 rheumatology physician records in Arizona
Kenneth A. Epstein, MD is one of 117 rheumatology physician records with a practice address in Arizona. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2013 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Arizona
There are 117 rheumatology physician records in Arizona.
All 117 in Arizona → Every provider in Flagstaff → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Jawad Bilal, M.DTucson, AZ 857481174939623
- Dylan Lee, M.D.Tucson, AZ 857241184156713
- Dominick Sudano, M.D.Tucson, AZ 857241275774937
- Ernest Vina, MDTucson, AZ 857241588820484
- Barbara Bode, MDTucson, AZ 857231083628457
- Anita Pender, M.D.Tucson, AZ 857231114129012
- McKenzie CumminsTucson, AZ 857191407443856
- Frank Delgado, MDTucson, AZ 857191265136089
Common questions
What is Kenneth A. Epstein, MD's NPI number?
Kenneth A. Epstein, MD's National Provider Identifier (NPI) is 1366415036, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth A. Epstein, MD located?
The NPPES record lists a practice address at 1338 W Forest Meadows St, Flagstaff, AZ, 86001. Phone: (928) 213-8631. Providers update this record themselves, so call before visiting.
How can I verify Kenneth A. Epstein, MD's license?
NPPES lists Arizona license number 19589, 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.
What is Kenneth A. Epstein, MD's MIPS final score?
The 2023 MIPS final score is 70.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.