NPPES file of Aug 9, 2026

Ronald William Simonsen, MD

Geriatric Medicine (Family Medicine) Physician · Warren, PA

Ronald William Simonsen, MD is a geriatric medicine (family medicine) physician with a practice address in Warren, Pennsylvania, and NPI 1043283096, issued on Feb 9, 2006. Check the license (Pennsylvania MD008430E, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1043283096
Name
Ronald William Simonsen
Credential
MD
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
MD008430E PA
Self-reported in NPPES; status is on the state search
Practice location
341 Bird Ave, Warren, PA 16365
Phone
(814) 723-6858
Enumerated
Feb 9, 2006
Record last updated
Sep 11, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (family medicine) physician records → All 134 in Pennsylvania → Look up another NPI →

Verify Ronald William Simonsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD008430E    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 Pennsylvania license search

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99% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

34 Medicare Part D claims, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.

  1. Ronald Simonsen34
  2. Specialty average5,222

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.

Ronald William Simonsen among 134 geriatric medicine (family medicine) physician records in Pennsylvania

Ronald William Simonsen, MD is one of 134 geriatric medicine (family medicine) physician records with a practice address in Pennsylvania. 78% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 50% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Pennsylvania

There are 134 geriatric medicine (family medicine) physician records in Pennsylvania.

All 134 in Pennsylvania → Every provider in Warren → Geriatric Medicine (Family Medicine) Physician nationwide →

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Ronald Unice, D.O.Meadville, PA 163351083685879
  2. Philip Gelacek, M.D.Ford City, PA 162261871588087
  3. Seth Carter, D.O.Erie, PA 165091689024598
  4. Robert Allison, D.O.Erie, PA 165101235310079
  5. Laura Davis, RNButler, PA 160011588521991
  6. William Dicuccio, MDButler, PA 160011306837646
  7. J Wieczorek, MDSidman, PA 159551356393672
  8. Fredrick Munzer, DOJohnstown, PA 159041063497584

Common questions

What is Ronald William Simonsen, MD's NPI number?

Ronald William Simonsen, MD's National Provider Identifier (NPI) is 1043283096, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald William Simonsen, MD located?

The NPPES record lists a practice address at 341 Bird Ave, Warren, PA, 16365. Phone: (814) 723-6858. Providers update this record themselves, so call before visiting.

How can I verify Ronald William Simonsen, MD's license?

NPPES lists Pennsylvania license number MD008430E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ronald William Simonsen, MD prescribe under Medicare Part D?

In 2024, Ronald William Simonsen, MD had 34 Medicare Part D claims; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.