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

Dr. Alisa Clark Illescas, MD

Internal Medicine Physician in Albuquerque, NM · enumerated 2020.

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

National Provider Identifier

1972131159

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Registry record

Entity type Individual (Type 1)

Name Dr. Alisa Clark Illescas

Credential MD

Sex Female

Practice address Albuquerque, NM, 87106

Phone (505) 724-6124

Enumeration date Apr 1, 2020

Last updated in NPPES Jul 31, 2024

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

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD2023-0490 (NM) 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

Where does Alisa Illescas practice?

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

What is the NPI number for Alisa Illescas?

The National Provider Identifier (NPI) for Alisa Illescas is 1972131159, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-31.