Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ronald J Hauptman, MD

Specialist in Phoenix, AZ · enumerated 2005.

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

National Provider Identifier

1699779074

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Registry record

Entity type Individual (Type 1)

Name Dr. Ronald J Hauptman

Credential MD

Sex Male

Practice address 9250 N 3rd St, #2015, Phoenix, AZ, 85020

Phone (602) 279-3575

Fax (602) 279-2666

Enumeration date Jun 13, 2005

Last updated in NPPES Oct 7, 2019

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 21316 (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
78697301	Medicaid	AZ	-
110639	Other	AZ	MEDICARE PIN NUMBER FOR N

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 specialty is Ronald Hauptman?

Ronald Hauptman is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-07.