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

Gregory Wong Demeo, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1497712657

Gregory Wong Demeo, DO is an Obstetrics/Gynecology in Newark, Delaware. Graduated from Rowan University School of Osteopathic Medicine in 1987, 39 years ago. Practices with Lifeline Medical Associates LLC, a 151-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
39
Trained at
Rowan University School of Osteopathic Medicine
Licensed in
DE
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

4745 Ogletown Stanton Rd Ste 106
Newark, DE 19713-2067
Phone: (302) 454-9800
Fax: (302) 454-6446
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence C20003423 (DE)

Record details

NPI number1497712657
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 28, 2006
Last updated in NPPESApril 2, 2021
Certification dateApril 2, 2021
Mailing address4735 Ogletown Stanton Rd, Suite 1109, Newark, DE 19713-2072

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolROWAN UNIVERSITY SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 1987 (39 years in practice)
Group practice Lifeline Medical Associates Llc — 151 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Newark