Ann Marie Ernst, DO
Anesthesiology Physician · Lansing, MI
Ann Marie Ernst, DO is an anesthesiology physician with a practice address in Lansing, Michigan, and NPI 1821085275, issued on Sep 30, 2005. Check the license (Michigan 5101006957, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ann Marie Ernst
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 5101006957 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1200 E Michigan Ave, Lansing, MI 48912
- Phone
- (517) 484-4451
- Enumerated
- Sep 30, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (517) 484-0291
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,720 in Michigan → Look up another NPI →
Also registered at 1200 E Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mandar Ajgaonkar, M.D.Internal Medicine Physician1477717452
- Matthew Allswede, MDObstetrics & Gynecology Physician1790792331
- Keith Apelgren, M.D.Surgery Physician1245271188
- John Armstrong, M.D.Pulmonary Disease Physician1831169697
- Alan Atkinson, D.O,Pulmonary Disease Physician1649250879
- Hogay Azizy, M.D.Family Medicine Physician1194159707
Verify Ann Marie Ernst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101006957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average anesthesiology physician in 2024
23 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ann Marie Ernst among 1,720 anesthesiology physician records in Michigan
Ann Marie Ernst, DO is one of 1,720 anesthesiology physician records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 anesthesiology physician records list a practice address in Lansing
They are 63 of the 5,276 NPPES records with a practice address in Lansing, and 1,720 anesthesiology physician records in Michigan.
All 1,720 in Michigan → Every provider in Lansing → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Mark Cook, DOLansing, MI 489121679568844
- Imu Esmail, MDLansing, MI 489121033104393
- John Everett, MDLansing, MI 489121326033689
- Alena Fabian, MDLansing, MI 489121609861962
- Michael Garbaccio, MDLansing, MI 489121528053881
- Joseph Kochan, MDLansing, MI 489121912992280
- Michael Krogulecki, DOLansing, MI 489121356336630
- Ki Lee, MDLansing, MI 489121487640728
Common questions
What is Ann Marie Ernst, DO's NPI number?
Ann Marie Ernst, DO's National Provider Identifier (NPI) is 1821085275, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ann Marie Ernst, DO located?
The NPPES record lists a practice address at 1200 E Michigan Ave, Lansing, MI, 48912. Phone: (517) 484-4451. Providers update this record themselves, so call before visiting.
How can I verify Ann Marie Ernst, DO's license?
NPPES lists Michigan license number 5101006957, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ann Marie Ernst, DO prescribe under Medicare Part D?
In 2024, Ann Marie Ernst, DO had 23 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.