Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Carolina Trevino Guajardo, M.D.

Specialist in Glen Burnie, MD · enumerated 2016.

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

National Provider Identifier

1891140646

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Registry record

Entity type Individual (Type 1)

Name Dr. Carolina Trevino Guajardo

Credential M.D.

Sex Female

Practice address 802 Landmark Dr Ste 119, Glen Burnie, MD, 21061

Phone (410) 760-8840

Enumeration date Apr 29, 2016

Last updated in NPPES Oct 1, 2021

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License D0092100 (MD) Secondary

174400000X Specialist Other Service Providers · License D0092100 (MD) 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

How do I verify Carolina Trevino Guajardo's NPI record?

Cross-check NPI 1891140646 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1891140646 active?

Yes, as of the latest NPPES snapshot, NPI 1891140646 is active (record last updated 2021-10-01).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-01.