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TAMMY ANN STEWART CRNA
NPI 1114176096
Nurse Anesthetist, Certified Registered in Lansing, MI

Active since September 16, 2008Accepts Medicare Assignment
1215 E MICHIGAN AVE, LANSING, MI 48912(517) 364-2789(517) 364-3943 Get Directions Write a Review

NPPES record last updated: September 16, 2008. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Tammy Ann Stewart Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAMMY ANN STEWART CRNA (NPI 1114176096) is an individual nurse anesthetist, certified registered in Lansing, Michigan, licensed in Michigan (4704173818) and active in the NPI registry since September 2008. She is affiliated with Edward W Sparrow Hospital and is a graduate of Other (2008).

NPPES Registry Identity

NPI1114176096
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameTAMMY ANN STEWARTCredential: CRNA
Location Address1215 E MICHIGAN AVELansing, MI 48912-1811
Mailing AddressPo Box 13008Lansing, MI 48901-3008 · (517) 364-6253 · Fax (517) 364-6204
Phone(517) 364-2789
Fax(517) 364-3943
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateSeptember 16, 2008
✔ NPI 1114176096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MI · 4704173818
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1215 E MICHIGAN AVE, Lansing, MI 48912
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tammy Ann Stewart Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688737141
PECOS Enrollment IDI20090108000705

Medicare Billing Reassignments

5

Medicare enrollment records show Tammy Stewart reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward W. Sparrow Hospital Association
Same address
Anesthesiology
1215 E MICHIGAN AVE
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 265 clinicians in this Medicare group
NPI 1366498107 (517) 364-3350
Eaton Rapids Medical Center
18 mi
Critical Access
1500 S MAIN ST
Eaton Rapids, MI 48827
  • Reassigned Medicare billing, Michigan enrollment
  • 54 clinicians in this Medicare group
NPI 1417044660 (517) 663-2671
Celebrity Anesthesia Staffing LLC
55 mi
Anesthesiology
1179 E PARIS AVE SE STE E200
Grand Rapids, MI 49546
  • Reassigned Medicare billing, Michigan enrollment
  • 42 clinicians in this Medicare group
NPI 1235728403 (616) 975-9100
Asa Staffing Inc
71 mi
Nurse Anesthetist, Certified Registered
1101 W UNIVERSITY DR
Rochester, MI 48307
  • Reassigned Medicare billing, Michigan enrollment
  • 359 clinicians in this Medicare group
NPI 1114378981 (248) 652-5000
Pinnacle Anesthesia PLLC
82 mi
Anesthesiology
48801 ROMEO PLANK RD STE 101
Macomb, MI 48044
  • Reassigned Medicare billing, Michigan enrollment
  • 61 clinicians in this Medicare group
NPI 1295301133 (586) 726-8487

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
27 services27 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
23 services21 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
19 services19 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward W Sparrow Hospital

Acute Care Hospitals · Lansing, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230230
Location1215 E Michigan AvenueLansing, MI 48912 · Ingham County
Emergency services Birthing friendly

Eaton Rapids Medical Center

Critical Access Hospitals · Eaton Rapids, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231324
Location1500 S Main StreetEaton Rapids, MI 48827 · Eaton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48912 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIEL FRANCIS BOUCHARD D.O.
Family Medicine
1215 E MICHIGAN AVE, OSTEOPATHIC INTERNSHIP SPARROW HOSPITAL
LANSING, MI 48912
Ingham County (231) 955-3360
DR. JESSICA FROST MD
Obstetrics & Gynecology
1215 E MICHIGAN AVE
LANSING, MI 48912
Ingham County (517) 364-5610
MR. GARRETT SMIGELSKI PA-C
Physician Assistant
1215 E MICHIGAN AVE
LANSING, MI 48912
Ingham County (517) 364-3380
DR. AMY RENEE DRABANT DO
Student in an Organized Health Care Education/Training Program
1215 E MICHIGAN AVE
LANSING, MI 48912
Ingham County (517) 364-1000
DR. EVAN DAVID TYSON BRUCE MD
Student in an Organized Health Care Education/Training Program
1215 E MICHIGAN AVE
LANSING, MI 48912
Ingham County (517) 364-1000
JANA HAIDAR AHMAD MD
Family Medicine
1215 E MICHIGAN AVE
LANSING, MI 48912
Ingham County (517) 364-5710
MR. ANDREW SIDNEY COOPER CRNA
Nurse Anesthetist, Certified Registered
1215 E MICHIGAN AVE
LANSING, MI 48912
Ingham County (517) 364-2789
MS. KARI LYN FORRO CRNA
Nurse Anesthetist, Certified Registered
1215 E MICHIGAN AVE
LANSING, MI 48912
Ingham County (517) 364-2789

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tammy Stewart's NPI number?

The NPI number for Tammy Stewart is 1114176096. It was assigned to this individual provider in the NPPES registry on September 16, 2008.

Where is Tammy Stewart located?

Tammy Stewart practices at 1215 E Michigan Ave, Lansing, MI 48912. The listed phone number is (517) 364-2789.

What is Tammy Stewart's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Tammy Stewart enrolled in Medicare?

Yes. Tammy Stewart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Tammy Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Stewart reassigns Medicare benefits to 5 organizations: Edward W. Sparrow Hospital Association (Lansing, MI), Eaton Rapids Medical Center (Eaton Rapids, MI), Celebrity Anesthesia Staffing LLC (Grand Rapids, MI), Asa Staffing Inc (Rochester, MI) and Pinnacle Anesthesia PLLC (Macomb, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tammy Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tammy Stewart accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Tammy Stewart as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Tammy Stewart affiliated with any hospitals?

According to CMS data, Tammy Stewart is affiliated with Edward W Sparrow Hospital and Eaton Rapids Medical Center.

When was this NPI record last updated?

The NPPES record for Tammy Stewart was last updated on September 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.