NPPES file of Aug 9, 2026

William W. Kottner, MD

Internal Medicine Physician · Washington, PA

William W. Kottner, MD is an internal medicine physician with a practice address in Washington, Pennsylvania, and NPI 1518054204, issued on Oct 6, 2006. Check the license (Pennsylvania MD032284E, 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
1518054204
Name
William W. Kottner
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD032284E PA
Self-reported in NPPES; status is on the state search
Practice location
880 S Main St, Washington, PA 15301
Phone
(724) 222-4464
Enumerated
Oct 6, 2006
Record last updated
Nov 5, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(724) 222-5106
Medicaid ID
001044823 PA
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.
Download card Updates feed

Also registered at 880 S Main St

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

  1. Richard Hahn, MDGeriatric Medicine (Internal Medicine) Physician1376630061
  2. James Krebs, MDInternal Medicine Physician1851488548

Verify William W. Kottner 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 MD032284E
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3.6 times the Medicare Part D claims of the average internal medicine physician in 2024

11,418 Medicare Part D claims for 412 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. 63 claims were for opioids.

  1. William Kottner11,418
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium603 claims
  2. Atorvastatin Calcium564 claims
  3. Eliquis332 claims
  4. Lisinopril329 claims
  5. Potassium Chloride310 claims
  6. Omeprazole271 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.

William W. Kottner among 7,300 internal medicine physician records in Pennsylvania

William W. Kottner, MD is one of 7,300 internal 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2007 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 internal medicine physician records list a practice address in Washington

They are 18 of the 1,019 NPPES records with a practice address in Washington, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Arcadio Agudelo Hernandez, M.DWashington, PA 153011477866093
  2. Catheri Brennan, CATHERINE J. BRENNANWashington, PA 153011134166903
  3. Douglas Corwin, M.D.Washington, PA 153011699725580
  4. Henry Folb, M.D.Washington, PA 153011235119934
  5. Patricia Friedsam, M.D.Washington, PA 153011487604328
  6. Richard Hart, M.D.Washington, PA 153011053391268
  7. Sean Kelly, DOWashington, PA 153011174592760
  8. James Krebs, MDWashington, PA 153011851488548

Common questions

What is William W. Kottner, MD's NPI number?

William W. Kottner, MD's National Provider Identifier (NPI) is 1518054204, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William W. Kottner, MD located?

The NPPES record lists a practice address at 880 S Main St, Washington, PA, 15301. Phone: (724) 222-4464. Providers update this record themselves, so call before visiting.

How can I verify William W. Kottner, MD's license?

NPPES lists Pennsylvania license number MD032284E, 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 William W. Kottner, MD prescribe under Medicare Part D?

In 2024, William W. Kottner, MD had 11,418 Medicare Part D claims for 412 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.