DONALD G GRENSTINER (CRNA) – Certified Registered Nurse Anesthetist, NPI 1376551069

DONALD G GRENSTINER (CRNA) is a healthcare provider. based in Fort gratiot, Michigan. specializing in Certified Registered Nurse Anesthetist. They hold the professional credentials CRNA. They hold a License No. 4704192978 (MI). The NPI Number for DONALD G GRENSTINER (CRNA) is 1376551069

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
DONALD G GRENSTINER (CRNA)
NPI
1376551069
Phone
(810) 989-7649
Address
4190 24TH AVE
Enumeration Date
4 August 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8109851500
Graduation Year
1992 (34 years ago)
PAC ID
5799776761
Group Practice PAC ID
4082883053
Professional Enrollment ID
I20040519000642
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DONALD G GRENSTINER (CRNA)

  • 4190, 24th Avenue, Fort Gratiot Charter Township, Saint Clair County, Michigan, 48059, United States

    FORT GRATIOT, MI 480593882

    Phone: (810) 989-7649

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 48059)

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Provider's Procedures

DONALD G GRENSTINER (CRNA) performs procedures in Certified Registered Nurse Anesthetist. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CERTIFIED REGISTERED NURSE ANESTHETMI01402Anesthesia for open or endoscopic total knee joint replacement1111

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4082883053View full group profile
NameSpecialtyState
-MI
Certified Registered Nurse Anesthetist (Crna)MI
-MI
Certified Registered Nurse Anesthetist (Crna)MI
Certified Registered Nurse Anesthetist (Crna)MI
Certified Registered Nurse Anesthetist (Crna)MI
Certified Registered Nurse Anesthetist (Crna)MI
A N E S T H E S I O L O G YAR
Certified Registered Nurse Anesthetist (Crna)MI
A N E S T H E S I O L O G YTN

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Frequently asked questions

Where can patients find DONALD G GRENSTINER (CRNA)'s NPI?
You can confirm DONALD G GRENSTINER (CRNA) with NPI 1376551069; it appears in the national provider directory.
Is DONALD G GRENSTINER (CRNA)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is DONALD G GRENSTINER (CRNA)?
The page reflects Certified Registered Nurse Anesthetist for DONALD G GRENSTINER (CRNA). Clinical services aligned with this taxonomy classification.
What location metadata exists for DONALD G GRENSTINER (CRNA)?
The page summarizes Fort Gratiot, Michigan for DONALD G GRENSTINER (CRNA); expand the address list for detail.
How can I contact DONALD G GRENSTINER (CRNA)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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