Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William J Adamas-Rappaport, M.D.

Pediatrics Physician in Tucson, AZ · enumerated 2006.

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

National Provider Identifier

1134213762

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. William J Adamas-Rappaport

Credential M.D.

Sex Male

Practice address 502 W 29th St, Tucson, AZ, 85713

Phone (520) 884-9920

Enumeration date Oct 3, 2006

Last updated in NPPES Sep 30, 2020

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 15658 (AZ) 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
253138	Medicaid	AZ	-

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 the NPI number for William Adamas-Rappaport?

The National Provider Identifier (NPI) for William Adamas-Rappaport is 1134213762, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Adamas-Rappaport practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-30.