Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LUIS R GERSTENMAIER M.D.
NPI 1528064029
Internal Medicine - Endocrinology, Diabetes & Metabolism in Toledo, OH

Active since June 21, 2005
3140 W CENTRAL AVE, TOLEDO, OH 43606(419) 537-5111(419) 537-5131 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Luis R Gerstenmaier M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LUIS R GERSTENMAIER M.D. (NPI 1528064029) is an individual endocrinology, diabetes & metabolism provider in Toledo, Ohio, licensed in Ohio (35036136) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1528064029
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameLUIS R GERSTENMAIERCredential: M.D.
Location Address3140 W CENTRAL AVEToledo, OH 43606-2920
Mailing Address3140 W Central AveToledo, OH 43606-2920 · (419) 537-5111 · Fax (419) 537-5131
Fax(419) 537-5131
Sole ProprietorNo
Enumeration DateJune 21, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1528064029 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in OH · 35036136
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
3140 W CENTRAL AVE, Toledo, OH 43606

Other Identifiers 4

Medicaid0234295OH
Other00071OH · Paramount
Other000000203476OH · Anthem
Other4002420OH · Aetna

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics (Pediatric Endocrinology)
3140 W CENTRAL AVE
TOLEDO, OH 43606
Dietitian, Registered
3140 W CENTRAL AVE
TOLEDO, OH 43606
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3140 W CENTRAL AVE
TOLEDO, OH 43606

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Luis Gerstenmaier's NPI number?

The NPI number for Luis Gerstenmaier is 1528064029. It was assigned to this individual provider in the NPPES registry on June 21, 2005.

Where is Luis Gerstenmaier located?

Luis Gerstenmaier practices at 3140 W Central Ave, Toledo, OH 43606. The listed phone number is (419) 537-5111.

What is Luis Gerstenmaier's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Luis Gerstenmaier was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.