Registry data as of Aug 27, 2026

Walter Adamek, DO

Emergency Medicine Physician · Havertown, PA

Walter Adamek, DO is an emergency medicine physician with a practice address in Havertown, Pennsylvania, and NPI 1689644791, issued on Jan 23, 2006. Check the license (Pennsylvania OS005819L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689644791
Name
Walter Adamek
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
OS005819L PA
Self-reported in NPPES; status is on the state search
Practice location
1305 W Chester Pike, Havertown, PA 19083
Phone
(610) 482-4949
Enumerated
Jan 23, 2006
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 1305 W Chester Pike

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

  1. Joseph CastellanoPharmacist1194038299
  2. Ghalia Eldabbas, PHARMDPharmacist1851058325
  3. Jonathan Gusdorff, D.O.Neuroradiology Physician1891792255
  4. Kerry Murray, PA-CMedical Physician Assistant1366822280
  5. Frederic Stieg, M.D.Family Medicine Physician1952330276

Verify Walter Adamek 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 OS005819L
    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.

95% fewer Medicare Part D claims than the average emergency medicine physician in 2024

16 Medicare Part D claims for 14 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Walter Adamek16
  2. Specialty average355

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.

Emergency Medicine Physician providers in Pennsylvania

There are 3,735 emergency medicine physician records in Pennsylvania.

Other emergency medicine physician records in Pennsylvania

  1. Nicole Abate, MDPhila, PA1447208939
  2. Osman AbbasiBethlehem, PA1437569019
  3. Michael Abboud, MDPhiladelphia, PA1962820852
  4. Stephanie Abbuhl, MDPhiladelphia, PA1649215195
  5. Rehab Abdel-Kariem, M.D.Philadelphia, PA1508008434
  6. Amir Abdulhay, DOPhiladelphia, PA1124689674
  7. Michael Abesamis, M.D.Pittsburgh, PA1467647958
  8. Aliza Abezis, MDPhiladelphia, PA1215786017
  9. Abia Abia, MDPhiladelphia, PA1295279818
  10. Alison Abiri, MDPittsburgh, PA1689685661

Common questions

What is Walter Adamek, DO's NPI number?

Walter Adamek, DO's National Provider Identifier (NPI) is 1689644791, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Walter Adamek, DO located?

The NPPES record lists a practice address at 1305 W Chester Pike, Havertown, PA, 19083. Phone: (610) 482-4949. Providers update this record themselves, so call before visiting.

How can I verify Walter Adamek, DO's license?

NPPES lists Pennsylvania license number OS005819L, 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 Walter Adamek, DO prescribe under Medicare Part D?

In 2024, Walter Adamek, DO had 16 Medicare Part D claims for 14 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.