NPPES file of Aug 9, 2026

Isaac Siegfried, M.D.

Emergency Medicine Physician · Danville, PA

Isaac Siegfried, M.D. is an emergency medicine physician with a practice address in Danville, Pennsylvania, and NPI 1265872931, issued on Jun 26, 2013. Check the license (Pennsylvania MD464631, 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
1265872931
Name
Isaac Siegfried
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD464631 PA
Self-reported in NPPES; status is on the state search
Practice location
100 North Academy Ave., Danville, PA 17822
Phone
(570) 271-6812
Enumerated
Jun 26, 2013
Record last updated
Sep 27, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(570) 271-6507
Medicare enrollment
Enrolled (PECOS I20191212001088); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2015
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 North Academy Ave.

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

  1. Shikhar Agarwal, MD MPHCardiovascular Disease Physician1326212101
  2. Joshua Blum, MDPsychiatry Physician1336309418
  3. Casey Campbell, MS, RD, CDNRegistered Dietitian1215565676
  4. Joseph Cooper, M.D.Internal Medicine Physician1639411176
  5. Mellar Davis, MDHospice and Palliative Medicine (Family Medicine) Physician1548224991
  6. Joel Elzweig, MDHospitalist Physician1790951895

Verify Isaac Siegfried 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 MD464631
    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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70% fewer Medicare Part D claims than the average emergency medicine physician in 2024

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

  1. Isaac Siegfried68
  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 2 group practices

  1. Golden Heart Emergency Physicians IncFairbanks, AK
  2. Northwest Acute Care Specialists PCPortland, OR

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

Isaac Siegfried among 3,911 emergency medicine physician records in Pennsylvania

Isaac Siegfried, 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 2013, is newer than 55% of them.

  • NPI issued2013 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2015 · median 2013 among the 2,231 with a school on file
  • Record last updated2018 · 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. Christopher Exner, M.D.Danville, PA 178221003955741
  3. Michael Fitzpatrick, M.D.Danville, PA 178221629045687
  4. Robert Frankel, MDDanville, PA 178221205880978
  5. Douglas Kupas, M.D.Danville, PA 178221447210539
  6. Michael Leicht, M.D.Danville, PA 178221912968132
  7. John Maciejczyk, M.D.Danville, PA 178221639260102
  8. Erica McElroy, D.O.Danville, PA 178221578526133

Common questions

What is Isaac Siegfried, M.D.'s NPI number?

Isaac Siegfried, M.D.'s National Provider Identifier (NPI) is 1265872931, issued on Jun 26, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Isaac Siegfried, M.D. located?

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

How can I verify Isaac Siegfried, M.D.'s license?

NPPES lists Pennsylvania license number MD464631, 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 Isaac Siegfried, M.D. prescribe under Medicare Part D?

In 2024, Isaac Siegfried, M.D. had 68 Medicare Part D claims for 54 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.