Doctor profile · Federal record

Dr. Nathan Mull, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Chattanooga, TN

  • NPI 1588653208
  • Accepts Medicare
  • MIPS 94.7 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 Glenwood Dr, Suite E-500
Chattanooga, TN 374041163
(423) 495-2635
fax (423) 495-2638

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
June 27, 2013
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Tennessee #31156

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588653208. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
806
Distinct HCPCS
7
Medicare allowed
$126,657
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 490 209 $201
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 160 26 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 83 47 $112
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 25 25 $78
31500 Emergent insertion of breathing tube into windpipe using an endoscope 21 21 $131
99292 Critical care, each additional 30 minutes 16 12 $101
36620 Insertion of artery tube for blood sampling or infusion through skin 11 11 $42

In context: peer comparison

Among 11 peers in Chattanooga Pulmonary Disease Physician, average services per provider: 78. This provider delivers 10× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Mull's medical specialty?
Dr. Nathan Mull practices Pulmonary Disease Physician in Chattanooga, TN.
Where does Dr. Nathan Mull practice?
Dr. Nathan Mull practices at 725 Glenwood Dr, Chattanooga, TN 374041163. Office phone: 4234952635.
What is Dr. Nathan Mull's NPI?
Dr. Nathan Mull's National Provider Identifier (NPI) is 1588653208, issued by NPPES.
Does Dr. Nathan Mull accept Medicare assignment?
Yes. Dr. Nathan Mull accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Mull commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.