Doctor profile · Federal record

Dr. Michael Lorren, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Chattanooga, TN

  • NPI 1598046948
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2341 McCallie Ave, Suite 402
Chattanooga, TN 374043239
(423) 698-3309
fax (423) 624-6355
Mailing address
Po Box 3549
Chattanooga, TN 374040549

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
February 10, 2012
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Tennessee #APN16071 · Tennessee #RN155071
Medicaid
TN #1526541

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598046948. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
60
Distinct HCPCS
4
Medicare allowed
$6,136
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 24 24 $88
00530 Anesthesia for insertion of permanent heart pacemaker 14 14 $159
00811 Anesthesia for other procedure on large bowel using an endoscope 11 11 $78
01922 Anesthesia for x-ray or radiation therapy 11 11 $86

In context: peer comparison

Among 113 peers in Chattanooga Certified Registered Nurse Anesthetist, average services per provider: 28. This provider delivers 2.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Lorren's medical specialty?
Dr. Michael Lorren practices Certified Registered Nurse Anesthetist in Chattanooga, TN.
Where does Dr. Michael Lorren practice?
Dr. Michael Lorren practices at 2341 McCallie Ave, Chattanooga, TN 374043239. Office phone: 4236983309.
What is Dr. Michael Lorren's NPI?
Dr. Michael Lorren's National Provider Identifier (NPI) is 1598046948, issued by NPPES.
Does Dr. Michael Lorren accept Medicare assignment?
Yes. Dr. Michael Lorren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Lorren commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for insertion of permanent heart pacemaker (HCPCS 00530); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.