RONALD G. HAUSER, III M.D. – NPI #1780975342
Pathology
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
RONALD HAUSER, III is a pathologist located in NEW HAVEN, CT. NPPES has assigned the NPI number 1780975342 to RONALD HAUSER, III on April 29, 2011. 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 207ZC0006X from the Health Care Provider Taxonomy code set, which is classified as Pathology, specializing in Clinical Pathology
The NPI profile was last updated on Aug 18, 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 RONALD HAUSER, III below.
NPI Profile for
RONALD G. HAUSER, III
(more than 15 years ago)
YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510-3220 Phone: (203) 688-2259 Fax: (203) 688-5599
Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.
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 |
|---|---|---|
| 207ZC0006X - Pathology / Clinical Pathology (Primary) |
CT | 52532 |
| 207ZC0008X - Pathology / Clinical Informatics |
CT | 52532 |
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.