Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Richmond Hill Pediatric Associates

Pediatric Adolescent Medicine Physician in Richmond Hill, NY · enumerated 2011 · authorized official Nancy Wallach, President / Physician.

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

National Provider Identifier

1366735862

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Registry record

Entity type Organization (Type 2)

Legal business name Richmond Hill Pediatric Associates

Other name <Unavail>

Practice address 11607 Metropolitan Ave Ste 101, Richmond Hill, NY, 11418

Phone (718) 850-9225

Fax (718) 850-9226

Enumeration date May 17, 2011

Last updated in NPPES Mar 2, 2026

Taxonomy & classification

2080A0000X Pediatric Adolescent Medicine Physician Allopathic & Osteopathic Physicians · License 224297 (NY) Primary

Authorized official

Name Nancy Wallach

Title President / Physician

Phone (718) 850-9225

Other identifiers

Identifier	Type	State	Issuer
02244920	Medicaid	NY	-
224297	Other	NY	STATE LICENSE

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

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Richmond Hill Pediatric Associates?

Richmond Hill Pediatric Associates is registered in NPPES as a Pediatric Adolescent Medicine Physician (its primary provider taxonomy).

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Nancy Wallach Pediatric Adolescent Medicine Physician · Richmond Hill, NY NPI 1740392737

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-02.