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

KATHERINE OELRICH WELCH MS
NPI 1013906494
Genetic Counselor, MS in Washington, DC

Active since October 18, 2005
GALLAUDET UNIVERSITY/BIOLOGY DEPARTMENT, 800 FLORIDA AVE. NE, WASHINGTON, DC 20002(202) 651-5258 Get Directions Write a Review

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

About Katherine Oelrich Welch Ms NPPES

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

KATHERINE OELRICH WELCH MS (NPI 1013906494) is an individual genetic counselor, ms provider in Washington, District Of Columbia and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1013906494
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameKATHERINE OELRICH WELCHCredential: MS
Location AddressGALLAUDET UNIVERSITY/BIOLOGY DEPARTMENT, 800 FLORIDA AVE. NEWashington, DC 20002
Mailing AddressGallaudet University/biology Department, 800 Florida Ave. NeWashington, DC 20002 · (202) 651-5258
Sole ProprietorNo
Enumeration DateOctober 18, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1013906494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
GALLAUDET UNIVERSITY/BIOLOGY DEPARTMENT, Washington, DC 20002

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 Welch's NPI number?

The NPI number for Katherine Welch is 1013906494. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Where is Katherine Welch located?

Katherine Welch practices at Gallaudet University/Biology Department 800 Florida Ave. NE, Washington, DC 20002. The listed phone number is (202) 651-5258.

What is Katherine Welch's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Katherine Welch 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 27 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.