Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Nestor A Alvarado, MD

Pediatrics Physician in Germantown, MD · enumerated 2006.

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

National Provider Identifier

1861554461

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Registry record

Entity type Individual (Type 1)

Name Dr. Nestor A Alvarado

Credential MD

Sex Male

Practice address 20904 Seneca Meadows Pkwy, Germantown, MD, 20876

Phone (240) 686-3160

Fax (240) 686-3110

Enumeration date Dec 14, 2006

Last updated in NPPES Jan 24, 2022

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD30819 (DC) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License D0050386 (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

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 Nestor Alvarado?

Nestor Alvarado is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-24.