JOHN T. HENNINGSEN MD – NPI #1578663225
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.
JOHN HENNINGSEN is a physician located in RICE LAKE, WI. NPPES has assigned the NPI number 1578663225 to JOHN HENNINGSEN on September 23, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, 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 last updated on Sep 11, 2025. 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 JOHN HENNINGSEN below.
NPI Profile for
JOHN T. HENNINGSEN
(more than 19 years ago)
RICE LAKE, WI 54868 Phone: (715) 236-8150 Fax:
MARSHFIELD, WI 54449-5777 Phone: Fax:
Identifiers for JOHN HENNINGSEN
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.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| medicaid | WI | 30974800 |
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) |
WI | 15237 |
| 207Q00000X - Family Medicine |
WI | 15237 |
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.