NPPES file of Aug 9, 2026

Aaron Knudson, D.O.

Internal Medicine Physician · Page, AZ

Aaron Knudson, D.O. is an internal medicine physician with a practice address in Page, Arizona, and NPI 1447417951, issued on May 21, 2008. Check the license (Arizona 005875, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447417951
Name
Aaron Knudson
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
005875 AZ
Self-reported in NPPES; status is on the state search
Practice location
601 N Navajo Drive, Page, AZ 86040
Phone
(928) 645-0766
Enumerated
May 21, 2008
Record last updated
Aug 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(928) 645-0767
Medicare enrollment
Enrolled (PECOS I20121017000592); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Aaron Knudson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 005875
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

87 Medicare Part D claims for 39 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Aaron Knudson87
  2. Specialty average3,176

Most prescribed

  1. Prednisone11 claims

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.

Bills Medicare through one group practice

  1. Banner Hospital Based Physicians Arizona LLCPage, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aaron Knudson among 2,853 internal medicine physician records in Arizona

Aaron Knudson, D.O. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 43% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2008 · median 2003 among the 1,643 with a school on file
  • Record last updated2012 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Arizona

There are 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lisa DuncanPolacca, AZ 860421033793229
  2. Susan Lippold, M.D.Polacca, AZ 860421659597284
  3. Frank Dalichow, MDTuba City, AZ 860451194769315
  4. Peter Kim, MDTuba City, AZ 860451770510984
  5. Srinija Konduru, M.D.Tuba City, AZ 860451548671191
  6. Gary Lake, MDTuba City, AZ 860451679518708
  7. David Lang, MDTuba City, AZ 860451932142189
  8. Bernice Ly, MDTuba City, AZ 860451326082462

Common questions

What is Aaron Knudson, D.O.'s NPI number?

Aaron Knudson, D.O.'s National Provider Identifier (NPI) is 1447417951, issued on May 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Knudson, D.O. located?

The NPPES record lists a practice address at 601 N Navajo Drive, Page, AZ, 86040. Phone: (928) 645-0766. Providers update this record themselves, so call before visiting.

How can I verify Aaron Knudson, D.O.'s license?

NPPES lists Arizona license number 005875, 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 Aaron Knudson, D.O. prescribe under Medicare Part D?

In 2024, Aaron Knudson, D.O. had 87 Medicare Part D claims for 39 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.