Doctor profile · Federal record

Dr. Mary Ninan, M.D

Hematology & Oncology Physician (CMS: Medical Oncology) · Student in an Organized Health Care Education/Training Program · Hematology & Oncology Physician · Hematology & Oncology Physician · Johns Creek, GA

  • NPI 1356533145
  • Accepts Medicare
  • MIPS 66.0 / 100 · 2023
  • 27 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6300 Hospital Pkwy Ste 300
Johns Creek, GA 300971982
(770) 623-8965
fax (770) 623-4018
Mailing address
1835 Savoy Dr Ste 300
Atlanta, GA 303411071

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
August 20, 2020
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
Georgia #058551 · Texas #43128 · Texas #N7955
Medicaid (2)
GA #003158193C · GA #003158193D

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356533145. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
511
Distinct HCPCS
7
Medicare allowed
$43,457
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 191 95 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 167 80 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 53 19 $79
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $134
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 22 $131
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 24 16 $50
99203 New patient office or other outpatient visit, 30-44 minutes 19 19 $83

In context: peer comparison

Among 3 peers in Johns Creek Hematology & Oncology Physician, average services per provider: 90. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,255
Transactions
42
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 4 $172.98
AstraZeneca Pharmaceuticals Lp 6 $134.42
Celgene Corporation 5 $127.61
Abbvie INC. 4 $103.50
Genzyme Corporation 3 $92.61
Lilly USA, LLC 3 $86.57
Novartis Pharmaceuticals Corporation 3 $68.81
Gilead Sciences, INC. 3 $62.13
Bayer Healthcare Pharmaceuticals INC. 2 $59.91
Eisai INC. 2 $49.21
Pfizer INC. 2 $42.64
E.R. Squibb & Sons, L.L.C. 2 $35.99
GlaxoSmithKline, LLC. 1 $32.75
TerSera Therapeutics LLC 1 $31.48
Incyte Corporation 1 $25.27

By nature of payment

Food and Beverage
$1,255

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
309
Patients
12
Total drug cost
$705,728
Drug Type Claims Patients Total cost
Hydroxyurea Generic 48 0 $1,215
Eliquis (Apixaban) Brand 38 0 $28,942
Revlimid (Lenalidomide) Brand 22 0 $486,064
Xarelto (Rivaroxaban) Brand 22 0 $17,570
Pantoprazole Sodium Generic 21 0 $142
Dexamethasone Generic 20 0 $375
Letrozole Generic 20 0 $381
Anastrozole Generic 18 0 $457
Gabapentin Generic 18 0 $141
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 16 0 $293

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Ninan's medical specialty?
Dr. Mary Ninan practices Hematology & Oncology Physician in Johns Creek, GA.
Where does Dr. Mary Ninan practice?
Dr. Mary Ninan practices at 6300 Hospital Pkwy Ste 300, Johns Creek, GA 300971982. Office phone: 7706238965.
What is Dr. Mary Ninan's NPI?
Dr. Mary Ninan's National Provider Identifier (NPI) is 1356533145, issued by NPPES.
Does Dr. Mary Ninan accept Medicare assignment?
Yes. Dr. Mary Ninan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Ninan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.