WILLIAM P. GAHAN M.D. – NPI #1720088529
Internal Medicine

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

WILLIAM GAHAN is a physician located in BATON ROUGE, LA. NPPES has assigned the NPI number 1720088529 to WILLIAM GAHAN on July 22, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. He is also known by his other name W PATRICK GAHAN. The primary taxonomy selected by this provider is 207RG0300X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Geriatric Medicine

The NPI profile was previously updated about 11 years ago on Mar 27, 2015. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for WILLIAM GAHAN below.

NPI Profile for
WILLIAM P. GAHAN

NPI Number
1720088529
Enumeration Date

(about 21 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
WILLIAM P. GAHAN
Other Name: W PATRICK GAHAN
Credentials
M.D.
Primary location
5247 DIDESSE DR
BATON ROUGE, LA 70808-9153
Phone: (225) 765-3076 Fax: (225) 765-3090
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Identifiers

Identifiers for WILLIAM GAHAN

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
OTHERRAILROAD MEDICARELA380001857
MEDICAIDLA1196550
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RG0300X
- Internal Medicine / Geriatric Medicine (Primary)
LA 04634R

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.