Provider Profile
Mary M. Grettenberger
Unclaimed ProfileAbout Mary Grettenberger
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Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (586) 307-4659
- Email not available
Practice Locations
51145 WASHINGTON ST STE H
New Baltimore, MI 48047
18475 Pratt Rd
Armada, MI 48005
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other clinical social workers at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other clinical social workers in New Baltimore 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mary M. Grettenberger specialize in?
Mary M. Grettenberger is a clinical social worker in New Baltimore, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary M. Grettenberger located?
Mary M. Grettenberger is listed at 51145 Washington St Ste H, New Baltimore, MI 48047. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary M. Grettenberger's phone number?
The number on file is (586) 307-4659. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary M. Grettenberger's NPI number?
Mary M. Grettenberger's National Provider Identifier is 1013520550. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary M. Grettenberger train?
Mary M. Grettenberger attended Other, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary M. Grettenberger been practicing?
Mary M. Grettenberger has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
Has Mary M. Grettenberger confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary M. Grettenberger. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.