NPPES file of Aug 9, 2026

Timothy Shimon, MD

Internal Medicine Physician · Phoenix, AZ

Timothy Shimon, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1659013944, issued on Apr 8, 2022. Check the license (Arizona R79357, 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
1659013944
Name
Timothy Shimon
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
R79357 AZ
Self-reported in NPPES; status is on the state search
Practice location
1111 E Mcdowell RD, Phoenix, AZ 85006
Phone
(602) 509-8155
Enumerated
Apr 8, 2022
Record last updated
Nov 11, 2025
Medicare enrollment
Enrolled (PECOS I20260106003745); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 2022
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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Also registered at 1111 E Mcdowell RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hamed Abbaszadegan, MDInternal Medicine Physician1407083579
  2. Elissa Abbruscato, MDInternal Medicine Physician1356603021
  3. Mohamed Abdelhabib, MDPulmonary Disease Physician1184287161
  4. Anurag Adhikari, M.D.Geriatric Medicine (Internal Medicine) Physician1861137952
  5. Nathanael Adjei, M.D.Internal Medicine Physician1134651896
  6. Nimit Agarwal, MDInternal Medicine Physician1811155245

Verify Timothy Shimon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license R79357
    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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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

220 Medicare Part D claims for 36 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Timothy Shimon220
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium22 claims
  2. Amlodipine Besylate12 claims
  3. Lisinopril12 claims
  4. Fluticasone Propionate11 claims
  5. Spironolactone11 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 - University Hospital Based Physicians LLCPhoenix, AZ

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

Timothy Shimon among 2,853 internal medicine physician records in Arizona

Timothy Shimon, MD 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 2022, is newer than 87% of them.

  • NPI issued2022 · 87% of these records are older, 9% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2022 · median 2003 among the 1,643 with a school on file
  • Record last updated2025 · 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).

695 internal medicine physician records list a practice address in Phoenix

They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ricardo Celaya, M.D.Phoenix, AZ 850061861476095
  2. Lynn Crocker, D.O.Phoenix, AZ 850061558357947
  3. Charles David, D.O.Phoenix, AZ 850061669447652
  4. Lorna Honan, MDPhoenix, AZ 850061154395531
  5. Holger Kranich, M.D.Phoenix, AZ 850061780660266
  6. Marc Lee, MDPhoenix, AZ 850061962498709
  7. Stephen Leshin, M.D.Phoenix, AZ 850061396742771
  8. Anita Murcko, M.D.Phoenix, AZ 850061477558757

Common questions

What is Timothy Shimon, MD's NPI number?

Timothy Shimon, MD's National Provider Identifier (NPI) is 1659013944, issued on Apr 8, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Shimon, MD located?

The NPPES record lists a practice address at 1111 E Mcdowell RD, Phoenix, AZ, 85006. Phone: (602) 509-8155. Providers update this record themselves, so call before visiting.

How can I verify Timothy Shimon, MD's license?

NPPES lists Arizona license number R79357, 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 Timothy Shimon, MD prescribe under Medicare Part D?

In 2024, Timothy Shimon, MD had 220 Medicare Part D claims for 36 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.