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

Dr. Alfredo Ramirez, M.D.

Nephrology Physician in Mayaguez, PR · enumerated 2006.

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

National Provider Identifier

1528005162

Verified

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Registry record

Entity type Individual (Type 1)

Name Dr. Alfredo Ramirez

Credential M.D.

Sex Male

Practice address Mayaguez, PR, 00680

Phone (787) 805-5435

Enumeration date Jun 1, 2006

Last updated in NPPES May 3, 2018

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

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 12794 (PR) Primary

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
100062	Other	PR	CRUZ AZUL DE PR
210041	Other	PR	UTI
9170088	Other	PR	HUMANA HEALTH PLAN
660629838	Other	PR	MCS HEALTH MANAGEMENT OPT
660629838	Other	PR	FIRST PLUS
12974	Other	PR	PLAN DE SALUD BELLA VISTA
36285 GPO 5026	Other	PR	ASOCIACION DE MAESTROS
A026	Other	PR	INTERNATIONAL MEDICAL PLA
3348	Other	PR	AMERICAN HEALTH
4812794	Other	PR	UIA
601025	Other	PR	MEDICARE Y MUCHO MAS
89500	Other	PR	TRIPLE-S

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

What is the NPI number for Alfredo Ramirez?

The National Provider Identifier (NPI) for Alfredo Ramirez is 1528005162, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alfredo Ramirez practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-03.