NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert Grant Hollenbeck, M.D.

Anesthesiology Physician in Valdosta, GA · enumerated 2006.

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

National Provider Identifier

1659340768

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Robert Grant Hollenbeck
Credential M.D.
Sex Male
Practice address 2501 N Patterson St, Sgmc, Valdosta, GA, 31602
Phone (229) 244-6852
Fax (229) 242-2385
Enumeration date Mar 14, 2006
Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 54392 (GA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Hollenbeck?
The National Provider Identifier (NPI) for Robert Hollenbeck is 1659340768, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Hollenbeck practice?
The practice location on file with NPPES is in Valdosta, GA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.