MARK D GRETSINGER (M.D.) – Gastroenterology Physician, NPI 1407843758

MARK D GRETSINGER (M.D.) is a healthcare provider. based in Toledo, Ohio. specializing in Gastroenterology Physician. They hold the professional credentials M.D.. They hold a License No. 35051729G (OH). The NPI Number for MARK D GRETSINGER (M.D.) is 1407843758

Main info

Male
Name
MARK D GRETSINGER (M.D.)
NPI
1407843758
Phone
(419) 843-7996
Address
3439 GRANITE CIR
Enumeration Date
3 October 2005
Last Update Date
30 April 2012
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for MARK D GRETSINGER (M.D.)

  • 3439, Granite Circle, Toledo, Lucas County, Ohio, 43617, United States

    TOLEDO, OH 436171161

    Phone: (419) 843-7996

    Fax: (419) 841-7725

    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.

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Medicare Enrollment & Revalidation

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

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Medicare Utilization (FFS)

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

Insurance plans in this area (ZIP 43617)

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Frequently asked questions

What is the registry number for MARK D GRETSINGER (M.D.)?
The registry entry for MARK D GRETSINGER (M.D.) shows NPI 1407843758.
Does the public listing show MARK D GRETSINGER (M.D.) as active?
MARK D GRETSINGER (M.D.)'s NPI record reflects an active status in NPPES.
What does the directory say MARK D GRETSINGER (M.D.) does?
Insurance directories may phrase it differently, but here MARK D GRETSINGER (M.D.) maps to Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
Is MARK D GRETSINGER (M.D.) tied to Toledo, Ohio?
If you are local to Toledo, Ohio, MARK D GRETSINGER (M.D.) may be relevant to your search.
Who maintains MARK D GRETSINGER (M.D.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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