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

Dr. Mary John Ninan, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1356533145

Dr. Mary John Ninan, MD is a Medical Oncology in Johns Creek, Georgia. Qualified in 1999, 27 years ago. Practices with Nsh Cancer Institute Professional Services G LLC, a 116-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Georgia and Texas.

Years since qualifying
27
Licensed in
GA, TX
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6300 Hospital Pkwy Ste 300
Johns Creek, GA 30097-1982
Phone: (770) 623-8965
Fax: (770) 623-4018
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 058551 (GA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 43128 (TX)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence N7955 (TX)

Record details

NPI number1356533145
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2007
Last updated in NPPESAugust 20, 2020
Certification dateAugust 20, 2020
Mailing address1835 Savoy Dr Ste 300, Atlanta, GA 30341-1071

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Nsh Cancer Institute Professional Services G Llc — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Johns Creek