Doctor profile · Federal record

Dr. Michael Louthan, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Tucson, AZ

  • NPI 1013994276
  • Accepts Medicare
  • 34 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6200 N la Cholla Blvd
Tucson, AZ 857413529
(520) 742-9000
Additional location
645 E Missouri Ave Ste 300
Phoenix, AZ 850121351
(602) 262-8917
fax (602) 262-8890
Mailing address
645 E Missouri Ave Ste 300
Phoenix, AZ 850121351

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
December 31, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Arizona #63364 · Indiana #01041800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013994276. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
328
Distinct HCPCS
10
Medicare allowed
$37,894
HCPCS Description Services Patients Avg allowed
00104 Anesthesia for electroshock therapy 63 22 $102
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 59 59 $56
76942 Ultrasonic guidance for needle placement 46 46 $30
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 42 41 $132
01402 Anesthesia for procedure for total knee joint replacement 25 25 $332
64450 Injection of anesthetic agent and/or steroid into other nerve or branch 21 21 $22
00812 Anesthesia for exam of colon using an endoscope 19 19 $101
01214 Anesthesia for total hip replacement 16 16 $340
00813 Anesthesia for procedure on small and large bowel using an endoscope 14 14 $154
01480 Anesthesia for other procedure on lower leg, ankle, and foot bones 12 12 $180

In context: peer comparison

Among 73 peers in Tucson Anesthesiology Physician, average services per provider: 42. This provider delivers 7.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Louthan's medical specialty?
Dr. Michael Louthan practices Anesthesiology Physician in Tucson, AZ.
Where does Dr. Michael Louthan practice?
Dr. Michael Louthan practices at 6200 N la Cholla Blvd, Tucson, AZ 857413529. Office phone: 5207429000.
What is Dr. Michael Louthan's NPI?
Dr. Michael Louthan's National Provider Identifier (NPI) is 1013994276, issued by NPPES.
Does Dr. Michael Louthan accept Medicare assignment?
Yes. Dr. Michael Louthan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Louthan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for electroshock therapy (HCPCS 00104); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Ultrasonic guidance for needle placement (HCPCS 76942). Source: CMS Medicare Physician & Other Practitioners file.