Donald G. Grenstiner, CRNA
Certified Registered Nurse Anesthetist · Fort Gratiot, MI
Donald G. Grenstiner, CRNA is a certified registered nurse anesthetist with a practice address in Fort Gratiot, Michigan, and NPI 1376551069, issued on Aug 4, 2006. Check the license (Michigan 4704192978, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Donald G. Grenstiner
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 4704192978 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4190 24TH Ave, Fort Gratiot, MI 48059
- Phone
- (810) 989-7649
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 4190 24TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rashim Gupta, MDEndocrinology, Diabetes & Metabolism Physician1740424001
- Beverlie Houser, AGPCNP-BCGerontology Nurse Practitioner1003204660
- Fahim Ibrahim, MDOphthalmology Physician1376611251
Verify Donald G. Grenstiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704192978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Certified Registered Nurse Anesthetist providers in Michigan
There are 3,298 certified registered nurse anesthetist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other certified registered nurse anesthetist records in Michigan
- Hassan Abbas, RNRoyal Oak, MI1629649736
- John Abbott, CRNATraverse City, MI1326004029
- Nicole Abbott, CRNAAnn Arbor, MI1790329860
- Haider Abdulzahra, DNAPAnn Arbor, MI1871225276
- Wayne Abel, CRNAIron Mountain, MI1427093459
- Matthew Abrahamson, CRNAAnn Arbor, MI1124557343
- Engy AbunassarTroy, MI1386481992
- Florence Acosta, CRNARoyal Oak, MI1124094271
- Laura Acosta, CRNABay City, MI1083802300
- Tomas Acosta, CRNAYpsilanti, MI1639013972
Common questions
What is Donald G. Grenstiner, CRNA's NPI number?
Donald G. Grenstiner, CRNA's National Provider Identifier (NPI) is 1376551069, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald G. Grenstiner, CRNA located?
The NPPES record lists a practice address at 4190 24TH Ave, Fort Gratiot, MI, 48059. Phone: (810) 989-7649. Providers update this record themselves, so call before visiting.
How can I verify Donald G. Grenstiner, CRNA's license?
NPPES lists Michigan license number 4704192978, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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. 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.