NPPES file of Aug 9, 2026

Katherine E. Marschall, MD

Critical Care Medicine (Anesthesiology) Physician · New Haven, CT

Katherine E. Marschall, MD is a critical care medicine (anesthesiology) physician with a practice address in New Haven, Connecticut, and NPI 1639152945, issued on Nov 22, 2005. Check the license (Connecticut 039214, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639152945
Name
Katherine E. Marschall
Credential
MD
Primary taxonomy
Critical Care Medicine (Anesthesiology) Physician 207LC0200X
License number
039214 CT
Self-reported in NPPES; status is on the state search
Practice location
800 Howard Ave, New Haven, CT 06519
Phone
(203) 785-2140
Enumerated
Nov 22, 2005
Record last updated
Jul 13, 2026
Fax
(203) 785-6414
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 800 Howard Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sonya Abdel-Razeq, MDMaternal & Fetal Medicine Physician1265415350
  2. Edouard Aboian, M.D.Vascular Surgery Physician1588830566
  3. Lynn Acton, MSSpeech-Language Pathologist1205817889
  4. Joseph Agostini, MDGeriatric Medicine (Internal Medicine) Physician1104832146
  5. Nita Ahuja, M.D.Surgery Physician1093779308
  6. Christina Allen, MDSports Medicine (Orthopaedic Surgery) Physician1841242351

Verify Katherine E. Marschall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 039214
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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Critical Care Medicine (Anesthesiology) Physician providers in Connecticut

There are 14 critical care medicine (anesthesiology) physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other critical care medicine (anesthesiology) physician records in Connecticut

  1. Ghaith Abdulkarim, M.D.New Haven, CT1295021236
  2. Nikhil Chawla, MDNew Haven, CT1093979288
  3. Andres De Lima Arboleda, MDNew Haven, CT1952899254
  4. Nat Dumrongmongcolgul, MDNew Haven, CT1891082665
  5. David Kiamanesh, M.D.New Haven, CT1396979282
  6. Tosanath Leepuengtham, M.D.New Haven, CT1194997296
  7. Laura Niklason, MDNew Haven, CT1306984273
  8. Andrew Notarianni, M.D.New Haven, CT1457619751
  9. Lynn Pauls, MDHartford, CT1881018919
  10. Christopher Szabo, M.D.New Haven, CT1861653834

Common questions

What is Katherine E. Marschall, MD's NPI number?

Katherine E. Marschall, MD's National Provider Identifier (NPI) is 1639152945, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Katherine E. Marschall, MD located?

The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-2140. Providers update this record themselves, so call before visiting.

How can I verify Katherine E. Marschall, MD's license?

NPPES lists Connecticut license number 039214, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.