NPPES file of Aug 9, 2026

Christopher J. Exner, M.D.

Emergency Medicine Physician · Danville, PA

Christopher J. Exner, M.D. is an emergency medicine physician with a practice address in Danville, Pennsylvania, and NPI 1003955741, issued on Feb 6, 2007. Check the license (Pennsylvania MD437534, 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
1003955741
Name
Christopher J. Exner
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
MD437534 PA
036106855 IL
Self-reported in NPPES; status is on the state search
Practice location
100 N Academy Ave, Danville, PA 17822
Phone
(570) 271-6812
Enumerated
Feb 6, 2007
Record last updated
Mar 17, 2025
Fax
(570) 271-6507
Medicaid ID
036106855 IL
Medicare enrollment
Enrolled (PECOS I20090910000332); accepts Medicare assignment
Medical or professional school
Un Of California, Irvine, College Of Medicine, 1999
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 100 N Academy Ave

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

  1. Paige AaronStudent in an Organized Health Care Education/Training Program1730976218
  2. Zainab AbdulhuseinGeneral Practice Dentistry1851108419
  3. Kristin AblineRegistered Nurse1174368757
  4. Clara Abouelsaad, DOStudent in an Organized Health Care Education/Training Program1013610062
  5. Dana Achenbach, PHARMDPharmacist1528612975
  6. Maisa AdamAnatomic Pathology & Clinical Pathology Physician1568306512

Verify Christopher J. Exner 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 MD437534
    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

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77% fewer Medicare Part D claims than the average emergency medicine physician in 2024

52 Medicare Part D claims for 41 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Christopher Exner52
  2. Specialty average226

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. Geisinger ClinicDanville, PA

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

Christopher J. Exner among 3,911 emergency medicine physician records in Pennsylvania

Christopher J. Exner, M.D. is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 31% of them.

  • NPI issued2007 · 31% of these records are older, 62% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1999 · median 2013 among the 2,231 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

81 emergency medicine physician records list a practice address in Danville

They are 81 of the 3,116 NPPES records with a practice address in Danville, and 3,911 emergency medicine physician records in Pennsylvania.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Dula, M.D.Danville, PA 178221447226436
  2. Michael Fitzpatrick, M.D.Danville, PA 178221629045687
  3. Robert Frankel, MDDanville, PA 178221205880978
  4. Douglas Kupas, M.D.Danville, PA 178221447210539
  5. Michael Leicht, M.D.Danville, PA 178221912968132
  6. John Maciejczyk, M.D.Danville, PA 178221639260102
  7. Erica McElroy, D.O.Danville, PA 178221578526133
  8. Thomas Payton, MDDanville, PA 178221184689598

Common questions

What is Christopher J. Exner, M.D.'s NPI number?

Christopher J. Exner, M.D.'s National Provider Identifier (NPI) is 1003955741, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher J. Exner, M.D. located?

The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6812. Providers update this record themselves, so call before visiting.

How can I verify Christopher J. Exner, M.D.'s license?

NPPES lists Pennsylvania license number MD437534, 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 Christopher J. Exner, M.D. prescribe under Medicare Part D?

In 2024, Christopher J. Exner, M.D. had 52 Medicare Part D claims for 41 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.