NPPES file of Aug 9, 2026

Erik Rahner

Hospitalist Physician · Chambersburg, PA

Erik Rahner is a hospitalist physician with a practice address in Chambersburg, Pennsylvania, and NPI 1144840083, issued on Apr 21, 2020. Check the license (Pennsylvania OS021593, 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
1144840083
Name
Erik Rahner
Primary taxonomy
Hospitalist Physician 208M00000X
License number
OS021593 PA
Self-reported in NPPES; status is on the state search
Practice location
112 N 7TH St, Chambersburg, PA 17201
Phone
(717) 217-4300
Enumerated
Apr 21, 2020
Record last updated
Oct 9, 2024
Medicare enrollment
Enrolled (PECOS I20241023001917); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2020
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 112 N 7TH St

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

  1. Divya Abraham, MD, MPHFamily Medicine Physician1942137518
  2. Gabrielle AckerStudent in an Organized Health Care Education/Training Program1932028131
  3. David Agyako-Wiredu, MDHospitalist Physician1972698611
  4. Aamina Ahmed, MD, MPHFamily Medicine Physician1295628253
  5. Fortune Aig-Ojeanor, DOHospitalist Physician1902281272
  6. Nabiha AlamFamily Medicine Physician1487582227

Verify Erik Rahner 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 OS021593
    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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93% fewer Medicare Part D claims than the average hospitalist physician in 2024

36 Medicare Part D claims for 11 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Erik Rahner36
  2. Specialty average521

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.

Bills Medicare through one group practice

  1. Wellspan Medical GroupChambersburg, PA

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

Erik Rahner among 1,424 hospitalist physician records in Pennsylvania

Erik Rahner is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 83% of them.

  • NPI issued2020 · 83% of these records are older, 11% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2020 · median 2011 among the 1,236 with a school on file
  • Record last updated2024 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 hospitalist physician records list a practice address in Chambersburg

They are 65 of the 1,537 NPPES records with a practice address in Chambersburg, and 1,424 hospitalist physician records in Pennsylvania.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Richard Bruner, DOChambersburg, PA 172011780684332
  2. Obasi Chukwunenye, M.D.Chambersburg, PA 172011205834603
  3. Sanjay Dhar, M.DChambersburg, PA 172011487616322
  4. Stephen Flack, M. D.Chambersburg, PA 172011396742631
  5. Gokhan Gormus, M.D.Chambersburg, PA 172011609874577
  6. Ashraf Haggag, MDChambersburg, PA 172011790705994
  7. David Hoffmann, DOChambersburg, PA 172011871594093
  8. Iwona Janicka, MDChambersburg, PA 172011902803257

Common questions

What is Erik Rahner's NPI number?

Erik Rahner's National Provider Identifier (NPI) is 1144840083, issued on Apr 21, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Erik Rahner located?

The NPPES record lists a practice address at 112 N 7TH St, Chambersburg, PA, 17201. Phone: (717) 217-4300. Providers update this record themselves, so call before visiting.

How can I verify Erik Rahner's license?

NPPES lists Pennsylvania license number OS021593, 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 Erik Rahner prescribe under Medicare Part D?

In 2024, Erik Rahner had 36 Medicare Part D claims for 11 beneficiaries; the average among hospitalist physician prescribers was 521. 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.