Doctor profile · Federal record

Dr. Karthik Nath, MD

Hematology (Internal Medicine) Physician · New York, NY

  • NPI 1962166140
  • MIPS 74.0 / 100 · 2023
  • 5 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
504 E 63Rd St Apt 25
New York, NY 100657919
(646) 249-5210

Credentials & registration

NPPES · NUCC
NPI registered
October 2021 — 5 yrs on file
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
New York #10974401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962166140. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
475
Distinct HCPCS
7
Medicare allowed
$60,714
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 288 65 $133
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 84 28 $89
99238 Hospital discharge day management, 30 minutes or less 35 33 $91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $194
0540T Administration of blood-derived t white blood cells (t lymphocytes) for chimeric antigen receptor t-cell therapy 16 16 $201
99239 Hospital discharge day management, more than 30 minutes 16 15 $129
99215 Established patient office or other outpatient visit, 40-54 minutes 14 11 $160

In context: peer comparison

Among 19 peers in this city , average services per provider: 84. This provider delivers 5.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karthik Nath's medical specialty?
Dr. Karthik Nath practices Hematology (Internal Medicine) Physician in New York, NY.
Where does Dr. Karthik Nath practice?
Dr. Karthik Nath practices at 504 E 63Rd St Apt 25, New York, NY 100657919. Office phone: 6462495210.
What is Dr. Karthik Nath's NPI?
Dr. Karthik Nath's National Provider Identifier (NPI) is 1962166140, issued by NPPES.
What procedures does Dr. Karthik Nath commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.