NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tatiana Ramirez Dominguez, MD

Colon & Rectal Surgery Physician in Saint Louis, MO · enumerated 2009.

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

National Provider Identifier

1043443377

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Tatiana Ramirez Dominguez
Credential MD
Sex Female
Practice address 621 S New Ballas Rd Ste 7011b, Saint Louis, MO, 63141
Phone (314) 251-6840
Fax (314) 251-7249
Enumeration date Sep 3, 2009
Last updated in NPPES Feb 11, 2025

Taxonomy & licenses

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License 2019007247 (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

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 Tatiana Ramirez Dominguez?
Tatiana Ramirez Dominguez is registered in NPPES with the primary taxonomy of Colon & Rectal Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-11.