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

Dr. John Anthony Gregg, DO

Individual provider Family Medicine Physician · NPI 1013118660

Dr. John Anthony Gregg, DO is a Family Practice in Wayne, New Jersey. Qualified in 2003, 23 years ago. Practices with Summit Medical Group PA, a 1,205-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
23
Licensed in
NJ
In the registry since
2007
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.

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Practice location Address checks out

510 Hamburg Tpke Wayne Commons Ste 101
Wayne, NJ 07470-2025
Phone: (973) 942-6005
Fax: (973) 942-6009
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 25MB08249300 (NJ)

Record details

NPI number1013118660
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 30, 2007
Last updated in NPPESMay 27, 2008
Mailing address510 Hamburg Tpke, Wayne Commons, Suite 101, Wayne, NJ 07470-2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Summit Medical Group Pa — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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