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

Dr. John I. Siekierka, DO

Individual provider Emergency Medicine Physician · NPI 1134175292

Dr. John I. Siekierka, DO is an Emergency Medicine in Marlton, New Jersey. Graduated from Philadelphia College of Osteopathic Medicine in 1988, 38 years ago. Practices with Hunterdon Urgent Care PC, a 23-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
38
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
NJ
In the registry since
2006
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

90 Brick Rd
Marlton, NJ 08053-2177
Phone: (856) 355-6760
Fax: (856) 355-6061
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 25MB05718100 (NJ)

Record details

NPI number1134175292
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 26, 2006
Last updated in NPPESFebruary 6, 2014
Mailing address307 S Evergreen Ave, Woodbury, NJ 08096-2739

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1988 (38 years in practice)
Group practice Hunterdon Urgent Care Pc — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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