Doctor profile · Federal record

Dr. Nagammai Nagappan, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Marietta, GA

  • NPI 1134485642
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
833 Campbell Hill St Nw Ste 400
Marietta, GA 30060
(770) 528-0260
Additional location
8906 135Th St, Suite 6S
Jamaica, NY 114182821
(718) 206-6808

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
October 10, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
Georgia #83098 · New York #284611

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134485642. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
4
Medicare allowed
$4,579
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 31 31 $40
99212 Established patient office or other outpatient visit, 10-19 minutes 21 19 $57
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 20 20 $44
99213 Established patient office or other outpatient visit, 20-29 minutes 14 11 $91

In context: peer comparison

Among 14 peers in this city , average services per provider: 39. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$102
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Organon Llc 1 $55.33
Astellas Pharma US Inc 1 $27.11
Bayer Healthcare Pharmaceuticals Inc. 1 $19.61

By nature of payment

Food and Beverage
$102

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
17
Total drug cost
$2,796
Drug Type Claims Patients Total cost
Estradiol Generic 24 0 $2,065
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 21 17 $665
Fluconazole Generic 13 0 $65

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nagammai Nagappan's medical specialty?
Dr. Nagammai Nagappan practices Obstetrics & Gynecology Physician in Marietta, GA.
Where does Dr. Nagammai Nagappan practice?
Dr. Nagammai Nagappan practices at 833 Campbell Hill St Nw Ste 400, Marietta, GA 30060. Office phone: 7705280260.
What is Dr. Nagammai Nagappan's NPI?
Dr. Nagammai Nagappan's National Provider Identifier (NPI) is 1134485642, issued by NPPES.
Does Dr. Nagammai Nagappan accept Medicare assignment?
Yes. Dr. Nagammai Nagappan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nagammai Nagappan commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99212); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.