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DR. RONALD G HAUSER III M.D.
NPI 1780975342
Pathology - Clinical Pathology in New Haven, CT

Active since April 29, 2011
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL, NEW HAVEN, CT 06510(203) 688-2259(203) 688-5599 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Ronald G Hauser Iii M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD G HAUSER III M.D. (NPI 1780975342) is an individual clinical pathology provider in New Haven, Connecticut, licensed in Connecticut (52532) and active in the NPI registry since April 2011.

NPPES Registry Identity

NPI1780975342
Entity TypeIndividualMale
Primary Taxonomy207ZC0006X
Provider Legal NameDR. RONALD G HAUSER IIICredential: M.D.
Location Address20 YORK ST # T-209, YALE-NEW HAVEN HOSPITALNew Haven, CT 06510-3220
Mailing Address20 York St # T-209, Yale-new Haven HospitalNew Haven, CT 06510-3220 · (203) 688-2259 · Fax (203) 688-5599
Phone(203) 688-2259
Fax(203) 688-5599
Sole ProprietorYes
Enumeration DateApril 29, 2011
Last NPPES UpdateAugust 18, 2025
NPPES CertifiedAugust 18, 2025
✔ NPI 1780975342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZC0006X
License✔ Licensed in CT · 52532
Definition
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.
Also ListedPathology · Clinical InformaticsTaxonomy 207ZC0008X · License 52532 (CT)
20 YORK ST # T-209, New Haven, CT 06510
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JENNIFER BUENZLE DWYER M.D., PH.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 433-2788
DR. CHENGJIE ZHENG MD
Student in an Organized Health Care Education/Training Program
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 789-3989
MELISSA ANNE MUCH M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2259
DR. BRYAN C. SHELBY MD
Psychiatry & Neurology (Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2259
JOSEPH DANIEL FLYNN
Psychiatry & Neurology (Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2259
MARIA GHANBARI MOTLAGH MD
Psychiatry & Neurology (Addiction Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2259
ZARA AWAN
Student in an Organized Health Care Education/Training Program
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2259
PICHAMOL JIRAPINYO MD
Internal Medicine (Gastroenterology)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2259

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Hauser's NPI number?

The NPI number for Ronald Hauser is 1780975342. It was assigned to this individual provider in the NPPES registry on April 29, 2011.

Where is Ronald Hauser located?

Ronald Hauser practices at 20 York St # T-209 Yale-New Haven Hospital, New Haven, CT 06510. The listed phone number is (203) 688-2259.

What is Ronald Hauser's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.

When was this NPI record last updated?

The NPPES record for Ronald Hauser was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.