Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE E MARSCHALL MD
NPI 1639152945
Anesthesiology - Critical Care Medicine in New Haven, CT

Active since November 22, 2005
800 HOWARD AVE, YALE PHYSICIANS BUILDING, NEW HAVEN, CT 06519(203) 785-2140(203) 785-6414 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Katherine E Marschall Md NPPES

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

KATHERINE E MARSCHALL MD (NPI 1639152945) is an individual critical care medicine provider in New Haven, Connecticut, licensed in Connecticut (039214) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1639152945
Entity TypeIndividualFemale
Primary Taxonomy207LC0200X
Provider Legal NameKATHERINE E MARSCHALLCredential: MD
Location Address800 HOWARD AVE, YALE PHYSICIANS BUILDINGNew Haven, CT 06519-1369
Mailing AddressPo Box 9805, 300 George St 6th FloorNew Haven, CT 06536-0805 · (203) 785-7998 · Fax (203) 785-6414
Fax(203) 785-6414
Sole ProprietorNo
Enumeration DateNovember 22, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1639152945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License Licensed in CT · 039214
Definition
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 039214 (CT)
800 HOWARD AVE, New Haven, CT 06519

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.

Nurse Practitioner (Family)
800 HOWARD AVE
NEW HAVEN, CT 06519
Surgery
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
Nurse Practitioner
800 HOWARD AVE
NEW HAVEN, CT 06519
Internal Medicine (Medical Oncology)
800 HOWARD AVE, YALE PHYSICIANS BUILDING - 2ND FLOOR
NEW HAVEN, CT 06519
Clinical Nurse Specialist (Gerontology)
800 HOWARD AVE
NEW HAVEN, CT 06519
Physical Medicine & Rehabilitation
800 HOWARD AVE
NEW HAVEN, CT 06519
Psychologist (Clinical Child & Adolescent)
800 HOWARD AVE, YALE PHYSICIANS BLDG
NEW HAVEN, CT 06519
Psychiatry & Neurology (Neuromuscular Medicine)
800 HOWARD AVE
NEW HAVEN, CT 06519

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 Katherine Marschall's NPI number?

The NPI number for Katherine Marschall is 1639152945. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Where is Katherine Marschall located?

Katherine Marschall practices at 800 Howard Ave Yale Physicians Building, New Haven, CT 06519. The listed phone number is (203) 785-2140.

What is Katherine Marschall's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

When was this NPI record last updated?

The NPPES record for Katherine Marschall was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.