NPPES file of Aug 9, 2026

Eric R. Gejer, DO

Cardiovascular Disease Physician · Doylestown, PA

Eric R. Gejer, DO is a cardiovascular disease physician with a practice address in Doylestown, Pennsylvania, and NPI 1104863067, issued on Jun 1, 2006. Check the license (Pennsylvania 0S010641L, 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
1104863067
Name
Eric R. Gejer
Credential
DO
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
0S010641L PA
Self-reported in NPPES; status is on the state search
Practice location
599 W State St Ste 200, Doylestown, PA 18901
Phone
(267) 893-6800
Enumerated
Jun 1, 2006
Record last updated
Nov 2, 2023
Fax
(267) 893-6820
Medicare enrollment
Enrolled (PECOS I20060913000576); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 599 W State St Ste 200

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

  1. Nasir AkhtarGastroenterology Physician1376816504
  2. Kimberly Alfaro, CRNPAdult Health Nurse Practitioner1588838262
  3. James Bohning, MDGastroenterology Physician1497927776
  4. Hannah Do, M.D.Gastroenterology Physician1770808990
  5. Jonathan Hullmann, M.D.Cardiovascular Disease Physician1275996514
  6. Mayurathan Kesavan, M.DGastroenterology Physician1851687958

Verify Eric R. Gejer 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 0S010641L
    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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15% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,541 Medicare Part D claims for 429 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Eric Gejer3,541
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium435 claims
  2. Metoprolol Succinate399 claims
  3. Eliquis325 claims
  4. Lisinopril270 claims
  5. Furosemide210 claims
  6. Carvedilol204 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.

Industry payments in 2024: $411.44

22 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Gejer$411.44
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Clinical Specialty AssociatesDoylestown, PA
  2. Via AffiliatesDoylestown, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Eric R. Gejer among 1,476 cardiovascular disease physician records in Pennsylvania

Eric R. Gejer, DO is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% 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 20% of them.

  • NPI issued2006 · 20% of these records are older, 45% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1999 · median 2000 among the 1,003 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Pennsylvania

There are 1,476 cardiovascular disease physician records in Pennsylvania.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Michael Adenaike, MDDoylestown, PA 189011700049939
  2. Bruce Applestein, M.D, FACCDoylestown, PA 189011568403137
  3. Francis Grzywacz, M.D.Doylestown, PA 189011104037274
  4. James Guarino, MDDoylestown, PA 189011679572713
  5. James Kmetzo, M.D, FACCDoylestown, PA 189011154362614
  6. Richard Mascolo, M.D, FACCDoylestown, PA 189011225079965
  7. Joseph McGarvey, M.D.Doylestown, PA 189011235138835
  8. Michael Mooradd, M.D, FACCDoylestown, PA 189011114968898

Common questions

What is Eric R. Gejer, DO's NPI number?

Eric R. Gejer, DO's National Provider Identifier (NPI) is 1104863067, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric R. Gejer, DO located?

The NPPES record lists a practice address at 599 W State St Ste 200, Doylestown, PA, 18901. Phone: (267) 893-6800. Providers update this record themselves, so call before visiting.

How can I verify Eric R. Gejer, DO's license?

NPPES lists Pennsylvania license number 0S010641L, 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 Eric R. Gejer, DO prescribe under Medicare Part D?

In 2024, Eric R. Gejer, DO had 3,541 Medicare Part D claims for 429 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.