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

Dr. Karthi Subbannan, MD

Individual provider Hematology & Oncology Physician · NPI 1154443091

Dr. Karthi Subbannan, MD is a Hematology/Oncology in Johns Creek, Georgia. Qualified in 1996, 30 years ago. Practices with Nsh Cancer Institute Professional Services G LLC, a 116-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
30
Licensed in
GA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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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 062169 (GA)

Record details

NPI number1154443091
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 4, 2007
Last updated in NPPESAugust 19, 2020
Certification dateAugust 19, 2020

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesHEMATOLOGY
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Nsh Cancer Institute Professional Services G Llc — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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