Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Victor A Heresniak, DO

Individual provider Emergency Medicine Physician · NPI 1336194596

Victor A Heresniak, DO is an Emergency Medicine in Chester, Pennsylvania. Qualified in 1986, 40 years ago. Practices with Ies ER Oklahoma LLC, a 128-clinician group and accepts Medicare assignment. Licensed in Delaware, New Jersey and Pennsylvania.

Years since qualifying
40
Licensed in
DE, NJ, PA
In the registry since
2006
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1 Medical Center Blvd Crozer Chester Medical Ctr
Chester, PA 19013-3902
Phone: (215) 447-2000
Fax: (610) 617-6280
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 25MB05928100 (NJ)
Emergency Medicine Physician Taxonomy 207P00000X · Licence C2-0013340 (DE)
Emergency Medicine Physician Taxonomy 207P00000X · Licence OS 008170 (PA)

Record details

NPI number1336194596
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESJanuary 22, 2025
Certification dateSeptember 27, 2023
Mailing addressPo Box 13973, Han Emergency Physicians, Philadelphia, PA 19101-3973

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Ies Er Oklahoma Llc — 128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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