Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas K Krummenacher, MD

Retina Specialist (Ophthalmology) Physician in Brentwood, MO · enumerated 2005 · practices at Retina Consultants, LLC.

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

National Provider Identifier

1205837978

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Registry record

Entity type Individual (Type 1)

Name Thomas K Krummenacher

Credential MD

Sex Male

Practice address 1600 S Brentwood Blvd Ste 700, Brentwood, MO, 63144

Phone (314) 367-1181

Fax (314) 968-5117

Enumeration date Aug 3, 2005

Last updated in NPPES Sep 3, 2024

Taxonomy & licenses

207WX0107X Retina Specialist (Ophthalmology) Physician Allopathic & Osteopathic Physicians · License R9465 (MO) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Thomas Krummenacher?

The National Provider Identifier (NPI) for Thomas Krummenacher is 1205837978, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thomas Krummenacher practice?

The practice location on file with NPPES is in Brentwood, MO. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-03.