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WILLIAM C CRELIN MD
NPI 1447213475
Internal Medicine - Endocrinology, Diabetes & Metabolism in Waukesha, WI

Active since April 10, 2006
721 AMERICAN AVE STE 509, PROHEALTH CARE MEDICAL ASSOCIATES WMH ENDOCRINOLOGY, WAUKESHA, WI 53188(262) 928-9190(262) 928-9199 Get Directions Write a Review

NPPES record last updated: July 5, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William C Crelin Md NPPES

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

WILLIAM C CRELIN MD (NPI 1447213475) is an individual endocrinology, diabetes & metabolism provider in Waukesha, Wisconsin, licensed in Wisconsin (30195020) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1447213475
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameWILLIAM C CRELINCredential: MD
Location Address721 AMERICAN AVE STE 509, PROHEALTH CARE MEDICAL ASSOCIATES WMH ENDOCRINOLOGYWaukesha, WI 53188-5031
Mailing Address721 American Ave Ste 509, Prohealth Care Medical Associates Wmh EndocrinologyWaukesha, WI 53188-5031 · (262) 928-9190 · Fax (262) 928-9199
Phone(262) 928-9190
Fax(262) 928-9199
Sole ProprietorNo
Enumeration DateApril 10, 2006
Last NPPES UpdateJuly 5, 2013
✔ NPI 1447213475 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 WI · 30195020
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.

721 AMERICAN AVE STE 509, Waukesha, WI 53188
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Other Identifiers 4

Medicare PIN68375
Medicare UPINA17386
Medicare ID-Type Unspecified000068438WI
Medicaid31513800WI

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 William Crelin's NPI number?

The NPI number for William Crelin is 1447213475. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is William Crelin located?

William Crelin practices at 721 American Ave Ste 509 Prohealth Care Medical Associates Wmh Endocrinology, Waukesha, WI 53188. The listed phone number is (262) 928-9190.

What is William Crelin'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 William Crelin was last updated on July 5, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.