NPPES file of Aug 9, 2026

John William Gareis, MD

Diagnostic Radiology Physician · Lancaster, PA

John William Gareis, MD is a diagnostic radiology physician with a practice address in Lancaster, Pennsylvania, and NPI 1689977308, issued on Dec 20, 2010. Check the license (Pennsylvania MD014751E, 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
1689977308
Name
John William Gareis
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
MD014751E PA
Self-reported in NPPES; status is on the state search
Practice location
2101 Millersville Pike, Lancaster, PA 17603
Phone
(717) 872-8005
Enumerated
Dec 20, 2010
Record last updated
Dec 20, 2010 (not updated in 16 years: call before relying on the address or phone)
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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Verify John William Gareis 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 MD014751E
    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.

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About as many Medicare Part D claims as the average diagnostic radiology physician in 2024

51 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.

  1. John Gareis51
  2. Specialty average51

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.

John William Gareis among 2,199 diagnostic radiology physician records in Pennsylvania

John William Gareis, MD is one of 2,199 diagnostic radiology physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 71% of them.

  • NPI issued2010 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2010 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Pennsylvania

There are 2,199 diagnostic radiology physician records in Pennsylvania.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Paul Collura, MDLancaster, PA 176031093756751
  2. Parry Miller, MDLancaster, PA 176031962443085
  3. Margarita Shultz, M.D.Lancaster, PA 176031104908383
  4. Peter Smith, MDLancaster, PA 176031992747943
  5. Robert SpringerLancaster, PA 176031396787313
  6. Antonio Adiletta, MDLancaster, PA 176021437719895
  7. Michael Cousar, MDLancaster, PA 176021063875243
  8. David Decktor, MDLancaster, PA 176021144589649

Common questions

What is John William Gareis, MD's NPI number?

John William Gareis, MD's National Provider Identifier (NPI) is 1689977308, issued on Dec 20, 2010. An NPI identifies a provider in billing; it is not a license.

Where is John William Gareis, MD located?

The NPPES record lists a practice address at 2101 Millersville Pike, Lancaster, PA, 17603. Phone: (717) 872-8005. Providers update this record themselves, so call before visiting.

How can I verify John William Gareis, MD's license?

NPPES lists Pennsylvania license number MD014751E, 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 John William Gareis, MD prescribe under Medicare Part D?

In 2024, John William Gareis, MD had 51 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.