Doctor profile · Federal record

Dr. Kartik Viswanathan, MD PHD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Atlanta, GA

  • NPI 1396191417
  • Accepts Medicare
  • MIPS 86.9 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
550 Peachtree St Ne
Atlanta, GA 303082212
(404) 727-8657
Mailing address
207 13Th St Ne
Atlanta, GA 303094587

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
January 24, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Georgia #88306 · Florida #20-429

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396191417. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
880
Distinct HCPCS
10
Medicare allowed
$32,442
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 191 138 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 178 36 $28
88332 Pathology examination of specimen during surgery, each additional tissue block 72 13 $30
88112 Cell examination of specimen, selective cellular enhancement technique 71 67 $27
88307 Pathology examination of tissue using a microscope, moderately high complexity 63 21 $72
88331 Pathology examination of specimen during surgery, first tissue block 55 23 $61
88342 Special stained specimen slides to examine tissue, initial procedure 45 41 $34
88173 Evaluation of fine needle aspirate with interpretation and report 39 28 $68
88177 Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode 36 12 $21
88312 Special stained specimen slides to identify organisms including interpretation and report 33 22 $26

In context: peer comparison

Among 23 peers in Atlanta Anatomic Pathology & Clinical Pathology Physician, average services per provider: 140. This provider delivers 6.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kartik Viswanathan's medical specialty?
Dr. Kartik Viswanathan practices Anatomic Pathology & Clinical Pathology Physician in Atlanta, GA.
Where does Dr. Kartik Viswanathan practice?
Dr. Kartik Viswanathan practices at 550 Peachtree St Ne, Atlanta, GA 303082212. Office phone: 4047278657.
What is Dr. Kartik Viswanathan's NPI?
Dr. Kartik Viswanathan's National Provider Identifier (NPI) is 1396191417, issued by NPPES.
Does Dr. Kartik Viswanathan accept Medicare assignment?
Yes. Dr. Kartik Viswanathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kartik Viswanathan commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of specimen during surgery, each additional tissue block (HCPCS 88332). Source: CMS Medicare Physician & Other Practitioners file.