NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Michael J Rensch, M.D.

Gastroenterology Physician in Kerrville, TX · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1366446023

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Registry record

Entity type Individual (Type 1)
Name Dr. Michael J Rensch
Credential M.D.
Sex Male
Practice address Kerrville, TX, 78028
Fax (830) 257-0049
Enumeration date Jun 10, 2005
Last updated in NPPES Mar 4, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 43232 (MN) Primary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 43232 (MN) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
132562 Other MN UCARE
P00244346 Other - RR MEDICARE
HP47841 Other MN HEALTH PARTNERS
081039800 Medicaid MN -
2900408 Other MN MEDICA
00RM40 Other TX MEDICARE GROUP
053038 Other - IOWA MA
41084933956001C224 Other - CHAMPUS TRICARE
638R4RE Other MN BCBS
1042781 Other MN PREFERRED ONE
2316539 Other MN AMERICAS PPO

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Michael Rensch?
Michael Rensch is registered in NPPES with the primary taxonomy of Gastroenterology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-03-04.