NPPES file of Aug 9, 2026

Frederick B. Doerfler, M.D.

Internal Medicine Physician · Tarentum, PA

Frederick B. Doerfler, M.D. is an internal medicine physician with a practice address in Tarentum, Pennsylvania, and NPI 1801873815, issued on Dec 30, 2005. Check the license (Pennsylvania MD039448L, 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
1801873815
Name
Frederick B. Doerfler
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD039448L PA
Self-reported in NPPES; status is on the state search
Practice location
702 2ND Ave, Tarentum, PA 15084
Phone
(724) 320-3240
Enumerated
Dec 30, 2005
Record last updated
Mar 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(724) 230-3275
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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Also registered at 702 2ND Ave

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

  1. Lisa Adams, R.N.Registered Nurse1265857395
  2. Cindy Closser, RDRegistered Dietitian1083063143
  3. Lisa Drum, RNRegistered Nurse1376984393
  4. Diane Emminger, LPNLicensed Practical Nurse1619497781
  5. Robin Evanovich, RNRegistered Nurse1619510161
  6. Maria Ferraco, R.D. LDNRegistered Dietitian1720405954

Verify Frederick B. Doerfler 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 MD039448L
    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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

48 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Frederick Doerfler48
  2. Specialty average3,176

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.

2 internal medicine physician records list a practice address in Tarentum

They are 2 of the 100 NPPES records with a practice address in Tarentum, and 7,300 internal medicine physician records in Pennsylvania.

Other internal medicine physician records in Pennsylvania

  1. Saira Aamir, MDYork, PA1184515686
  2. John Aaron, MDWest Grove, PA1427094531
  3. Todd Aaron, MDPhiladelphia, PA1457350522
  4. Joseph Abalos, M.D.Seneca, PA1215128434
  5. Mubasher Abbas, MDYork, PA1578978425
  6. Nicholas AbbottFarrell, PA1639525678
  7. Sara Abbruzzi, D.O.Philadelphia, PA1689686313
  8. Ahmad Abdalla, MDPhiladelphia, PA1730981127
  9. Tori Abdalla, DOPhiladelphia, PA1942091699
  10. Hany Abdel, D.O.Plymouth Meeting, PA1164467262

Common questions

What is Frederick B. Doerfler, M.D.'s NPI number?

Frederick B. Doerfler, M.D.'s National Provider Identifier (NPI) is 1801873815, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Frederick B. Doerfler, M.D. located?

The NPPES record lists a practice address at 702 2ND Ave, Tarentum, PA, 15084. Phone: (724) 320-3240. Providers update this record themselves, so call before visiting.

How can I verify Frederick B. Doerfler, M.D.'s license?

NPPES lists Pennsylvania license number MD039448L, 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 Frederick B. Doerfler, M.D. prescribe under Medicare Part D?

In 2024, Frederick B. Doerfler, M.D. had 48 Medicare Part D claims for 18 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.