Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Richardson Physician Alliance

Internal Medicine Physician in Richardson, TX · enumerated 2006 · authorized official Robert Simpson, Vp Cfo.

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

National Provider Identifier

1144277542

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Registry record

Entity type Organization (Type 2)

Legal business name Richardson Physician Alliance

Practice address 401 W Campbell Rd, Attn: Shirley Butler, Richardson, TX, 75080

Phone (972) 498-4700

Fax (972) 498-4883

Enumeration date May 30, 2006

Last updated in NPPES Jun 13, 2011

Taxonomy & classification

261QM1300X Multi-Specialty Clinic/Center Ambulatory Health Care Facilities Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Robert Simpson

Title Vp Cfo

Phone (972) 498-4700

Other identifiers

Identifier	Type	State	Issuer
155154101	Medicaid	TX	-
CK7047	Other	TX	RR MEDICARE

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

Where is Richardson Physician Alliance located?

The practice location on file with NPPES is in Richardson, TX.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-06-13. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-13.