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

Gregory G Stiefel, DO

Individual provider Family Medicine Physician · NPI 1649267881

Gregory G Stiefel, DO is a Family Practice in Mullica Hill, New Jersey. Graduated from Rutgers New Jersey Medical School in 1997, 29 years ago. Practices with Inspira Health Network Medical Group PC, a 240-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
29
Trained at
Rutgers New Jersey Medical School
Licensed in
NJ
In the registry since
2005
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

201 Tomlin Station Rd Ste B
Mullica Hill, NJ 08062-1612
Phone: (856) 241-2522
Fax: (856) 241-2511
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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 MB06817700 (NJ)

Record details

NPI number1649267881
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 3, 2005
Last updated in NPPESApril 3, 2013
Mailing address2848 S Delsea Dr, Suite 4b, Vineland, NJ 08360-7042

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 1997 (29 years in practice)
Group practice Inspira Health Network Medical Group Pc — 240 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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