Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert Wilbur Greene Jr., M.D.

Physical Medicine & Rehabilitation Physician in Memphis, TN · enumerated 2005.

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

National Provider Identifier

1134127665

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Registry record

Entity type Individual (Type 1)

Name Robert Wilbur Greene Jr.

Credential M.D.

Sex Male

Practice address 6005 Park Ave Ste 804, Memphis, TN, 38119

Phone (901) 761-5885

Fax (901) 761-5398

Enumeration date Jul 8, 2005

Last updated in NPPES Dec 10, 2025

Taxonomy & licenses

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 019597 (TN) 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
135549	Other	TN	BLUECROSSBLUESHIELD TN
3047082	Medicaid	TN	-

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

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.

What specialty is Robert Greene?

Robert Greene is registered in NPPES with the primary taxonomy of Physical Medicine & Rehabilitation Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-10.