NPPES file of Aug 9, 2026

Victor A. Heresniak, DO

Emergency Medicine Physician · Chester, PA

Victor A. Heresniak, DO is an emergency medicine physician with a practice address in Chester, Pennsylvania, and NPI 1336194596, issued on May 24, 2006. Check the license (Pennsylvania OS 008170, 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
1336194596
Name
Victor A. Heresniak
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
OS 008170 PA
25MB05928100 NJ
C2-0013340 DE
Self-reported in NPPES; status is on the state search
Practice location
1 Medical Center Blvd, Chester, PA 19013
Phone
(215) 447-2000
Enumerated
May 24, 2006
Record last updated
Jan 22, 2025
Fax
(610) 617-6280
Medicaid IDs
1427270 PA
5500702 NJ
Medicare enrollment
Enrolled (PECOS I20260112002522); 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 1 Medical Center Blvd

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

  1. Dina AbdurahmanStudent in an Organized Health Care Education/Training Program1093243396
  2. Daniel AbrahamStudent in an Organized Health Care Education/Training Program1780371237
  3. Chaitanya Adiga, DPMStudent in an Organized Health Care Education/Training Program1881443158
  4. David Adler, PA-CSurgical Physician Assistant1669613782
  5. Nissar Ahmed, DOHospitalist Physician1881181139
  6. Syed AliEmergency Medicine Physician1306334727

Verify Victor A. Heresniak 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 OS 008170
    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 emergency medicine physician in 2024

259 Medicare Part D claims for 176 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 45 claims were for opioids.

  1. Victor Heresniak259
  2. Specialty average226

Most prescribed

  1. Tramadol Hcl37 claims
  2. Naproxen23 claims
  3. Prednisone20 claims
  4. Cyclobenzaprine Hcl19 claims
  5. Amoxicillin-Clavulanate Potass12 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. Bayhealth Emergency Physicians LLCDover, DE
  2. Ies ER Oklahoma LLCTulsa, OK

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

Victor A. Heresniak among 3,911 emergency medicine physician records in Pennsylvania

Victor A. Heresniak, DO 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 69% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1986 · 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).

27 emergency medicine physician records list a practice address in Chester

They are 27 of the 1,115 NPPES records with a practice address in Chester, and 3,911 emergency medicine physician records in Pennsylvania.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Shannon Brown, M.D.Upland, PA 190131891747218
  2. Deanna Bulthuis, MDUpland, PA 190131982650362
  3. Lloyd Feigenbaum, MDUpland, PA 190131811943491
  4. Gregory Frattaroli, M.D.Chester, PA 190131164626552
  5. Steven Gable, DOUpland, PA 190131922055912
  6. Jeffrey George, MDUpland, PA 190131366403289
  7. Karen Greenberg, DOChester, PA 190131912041575
  8. Mark Harris, MDUpland, PA 190131629023668

Common questions

What is Victor A. Heresniak, DO's NPI number?

Victor A. Heresniak, DO's National Provider Identifier (NPI) is 1336194596, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Victor A. Heresniak, DO located?

The NPPES record lists a practice address at 1 Medical Center Blvd, Chester, PA, 19013. Phone: (215) 447-2000. Providers update this record themselves, so call before visiting.

How can I verify Victor A. Heresniak, DO's license?

NPPES lists Pennsylvania license number OS 008170, 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 Victor A. Heresniak, DO prescribe under Medicare Part D?

In 2024, Victor A. Heresniak, DO had 259 Medicare Part D claims for 176 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.