Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Robert Lewis Bass, MD

Q: What is the NPI number for Robert Bass?

The National Provider Identifier (NPI) for Robert Bass is 1558370924, a Type 1 (individual) record in the CMS NPPES registry.

Orthopaedic Hand Surgery Physician in Dallas, TX · enumerated 2006.

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

National Provider Identifier

1558370924

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Registry record

Entity type Individual (Type 1)

Name Mr. Robert Lewis Bass

Credential MD

Sex Male

Practice address Dallas, TX, 75390

Phone (214) 645-3300

Fax (214) 645-3301

Enumeration date Aug 5, 2006

Last updated in NPPES May 9, 2017

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2086S0105X Surgery of the Hand (Surgery) Physician Allopathic & Osteopathic Physicians · License H6036 (TX) Secondary

207XS0106X Orthopaedic Hand Surgery Physician Allopathic & Osteopathic Physicians · License H6036 (TX) 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
P00218438	Other	TX	RRMCARE
0060LP	Other	TX	BCBS
118580305	Medicaid	TX	-

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 Robert Bass?

The National Provider Identifier (NPI) for Robert Bass is 1558370924, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Bass practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-05-09.