Doctor profile · Federal record

Dr. Tammy Stewart, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Lansing, MI

  • NPI 1114176096
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1215 E Michigan Ave
Lansing, MI 489121811
(517) 364-2789
fax (517) 364-3943
Mailing address
Po Box 13008
Lansing, MI 489013008

Credentials & registration

NPPES · NUCC
NPI registered
September 2008 — 18 yrs on file
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Michigan #4704173818

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114176096. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
106
Distinct HCPCS
6
Medicare allowed
$10,531
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 24 24 $117
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 20 20 $113
00812 Anesthesia for exam of colon using an endoscope 18 18 $98
00811 Anesthesia for other procedure on large bowel using an endoscope 15 15 $110
00812 Anesthesia for exam of colon using an endoscope 15 15 $88
00142 Anesthesia for lens surgery 14 14 $52

In context: peer comparison

Among 15 peers in Lansing Certified Registered Nurse Anesthetist, average services per provider: 38. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$246
Transactions
13
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 6 $103.72
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $93.95
Intercept Pharmaceuticals, INC. 1 $18.65
Regeneron Healthcare Solutions, INC. 1 $15.05
Madrigal Pharmaceuticals 1 $14.23

By nature of payment

Food and Beverage
$246

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Stewart's medical specialty?
Dr. Tammy Stewart practices Certified Registered Nurse Anesthetist in Lansing, MI.
Where does Dr. Tammy Stewart practice?
Dr. Tammy Stewart practices at 1215 E Michigan Ave, Lansing, MI 489121811. Office phone: 5173642789.
What is Dr. Tammy Stewart's NPI?
Dr. Tammy Stewart's National Provider Identifier (NPI) is 1114176096, issued by NPPES.
Does Dr. Tammy Stewart accept Medicare assignment?
Yes. Dr. Tammy Stewart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Stewart commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.