Doctor profile · Federal record

Dr. Nicholas Litwin, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Chattanooga, TN

  • NPI 1679993711
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2525 Desales Ave
Chattanooga, TN 374041161
(423) 495-7404
fax (423) 495-2625

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
October 1, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Tennessee #4365 · Virginia #0102204943

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679993711. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,012
Distinct HCPCS
5
Medicare allowed
$99,111
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 441 196 $111
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 352 141 $74
99239 Hospital discharge day management, more than 30 minutes 146 145 $107
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $162
99497 Advance care planning, first 30 minutes 36 36 $71

In context: peer comparison

Among 67 peers in Chattanooga Internal Medicine Physician, average services per provider: 133. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
147
Total drug cost
$10,994
Drug Type Claims Patients Total cost
Famotidine Generic 19 19 $160
Eliquis (Apixaban) Brand 18 17 $10,174
Amlodipine Besylate Generic 17 17 $40
Pantoprazole Sodium Generic 17 16 $106
Atorvastatin Calcium Generic 16 15 $130
Prednisone Generic 16 15 $45
Metoprolol Tartrate Generic 14 14 $60
Furosemide Generic 12 12 $42
Carvedilol Generic 11 11 $80
Clopidogrel (Clopidogrel Bisulfate) Brand 11 0 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Litwin's medical specialty?
Dr. Nicholas Litwin practices Internal Medicine Physician in Chattanooga, TN.
Where does Dr. Nicholas Litwin practice?
Dr. Nicholas Litwin practices at 2525 Desales Ave, Chattanooga, TN 374041161. Office phone: 4234957404.
What is Dr. Nicholas Litwin's NPI?
Dr. Nicholas Litwin's National Provider Identifier (NPI) is 1679993711, issued by NPPES.
Does Dr. Nicholas Litwin accept Medicare assignment?
Yes. Dr. Nicholas Litwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Litwin 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 99239). Source: CMS Medicare Physician & Other Practitioners file.