NPPES file of Aug 9, 2026

Marko Zegarac

Emergency Medicine Physician · Hershey, PA

Marko Zegarac is an emergency medicine physician with a practice address in Hershey, Pennsylvania, and NPI 1053872598, issued on Mar 27, 2019. Check the license 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
1053872598
Name
Marko Zegarac
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
212857 NV
Self-reported in NPPES; status is on the state search
Practice location
Penn State Health Milton S Hershey Medical Center, Hershey, PA 17033
Phone
(800) 243-1455
Enumerated
Mar 27, 2019
Record last updated
Apr 6, 2022
Medicare enrollment
Enrolled (PECOS I20220712001043); accepts Medicare assignment
Medical or professional school
University Of Nevada School Of Medicine, 2019
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 Penn State Health Milton S Hershey Medical Center

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

  1. Mercy Akaraonye, MDStudent in an Organized Health Care Education/Training Program1821792235
  2. Bedir Alihsan, MDInternal Medicine Physician1497450795
  3. John CherneskieStudent in an Organized Health Care Education/Training Program1700450343
  4. Nicholas D'Alonzo, MDStudent in an Organized Health Care Education/Training Program1063115558
  5. Sarah Janczewski, MDStudent in an Organized Health Care Education/Training Program1952004731
  6. Allison Leisgang, DOStudent in an Organized Health Care Education/Training Program1508507922

Verify Marko Zegarac in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)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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57% more Medicare Part D claims than the average emergency medicine physician in 2024

355 Medicare Part D claims for 231 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 30 claims were for opioids.

  1. Marko Zegarac355
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt39 claims
  2. Cefdinir33 claims
  3. Oxycodone Hcl17 claims
  4. Amoxicillin-Clavulanate Potass16 claims
  5. Cephalexin16 claims
  6. Cyclobenzaprine Hcl15 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.

Bills Medicare through 2 group practices

  1. Emergency Medicine Associates PCVancouver, WA
  2. Fremont Emergency Services Scherr LtdLas Vegas, NV

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

Marko Zegarac among 3,911 emergency medicine physician records in Pennsylvania

Marko Zegarac 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 2019, is newer than 75% of them.

  • NPI issued2019 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2019 · median 2013 among the 2,231 with a school on file
  • Record last updated2022 · 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).

104 emergency medicine physician records list a practice address in Hershey

They are 104 of the 3,972 NPPES records with a practice address in Hershey, and 3,911 emergency medicine physician records in Pennsylvania.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. J Allen, DOHershey, PA 170331760440762
  2. Daniel Ammons, MDHershey, PA 170331881652006
  3. Christopher Deflitch, MDHershey, PA 170331134187354
  4. Michelle Fischer, M.D., M.P.H.Hershey, PA 170331134193881
  5. Manuel Hernandez, MDHershey, PA 170331134109408
  6. Sandra Herr, MDHershey, PA 170331306821467
  7. Cecil Holliman, MDHershey, PA 170331881652873
  8. Lawrence Kass, MDHershey, PA 170331487612602

Common questions

What is Marko Zegarac's NPI number?

Marko Zegarac's National Provider Identifier (NPI) is 1053872598, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Marko Zegarac located?

The NPPES record lists a practice address at Penn State Health Milton S Hershey Medical Center, Hershey, PA, 17033. Phone: (800) 243-1455. Providers update this record themselves, so call before visiting.

How can I verify Marko Zegarac's license?

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 Marko Zegarac prescribe under Medicare Part D?

In 2024, Marko Zegarac had 355 Medicare Part D claims for 231 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.