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Aspen I Ralph, DO

Internal Medicine Physician in Tucson, AZ · enumerated 2005 · practices at Northwest Allied Physicians LLC.

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

National Provider Identifier

1548264450

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Registry record

Entity type Individual (Type 1)
Name Aspen I Ralph
Credential DO
Sex Female
Practice address 6060 N Fountain Plaza Dr Ste 270, Tucson, AZ, 85704
Fax (520) 229-2561
Enumeration date Jun 8, 2005
Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 3787 (AZ) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
2Z1203 Other AZ HEALTH NET
AZ0758740 Other AZ BLUE CROSS BLUE SHIELD
3122834 Other AZ AETNA HEALTHCARE
860750942 Other AZ ARIZONA FOUNDATION
0402296 Other AZ UNITED HEALTHCARE
2192402 Other AZ FIRST HEALTH
8671843002 Other AZ CIGNA HEALTHCARE

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 Aspen Ralph?
The National Provider Identifier (NPI) for Aspen Ralph is 1548264450, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aspen Ralph practice?
The practice location on file with NPPES is in Tucson, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.