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DR. KATIE LOUISE EILEEN DUHAMEL
NPI 1710619572
Psychiatry & Neurology - Psychiatry in Washington, DC

Active since June 29, 2022PECOS EnrolledAccepts Medicare Assignment
DC DBH, SAINT ELIZABETHS HOSP, 1100 ALABAMA AVENUE SE, PSYCHIATRY RESIDENCY PROGRAM SUITE 238, WASHINGTON, DC 20003(202) 299-5334 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Katie Louise Eileen Duhamel NPPES

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

DR. KATIE LOUISE EILEEN DUHAMEL (NPI 1710619572) is an individual psychiatry provider in Washington, District Of Columbia, licensed in Connecticut (83889) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Norwich, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1710619572
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. KATIE LOUISE EILEEN DUHAMEL
Location AddressDC DBH, SAINT ELIZABETHS HOSP, 1100 ALABAMA AVENUE SE, PSYCHIATRY RESIDENCY PROGRAM SUITE 238Washington, DC 20003
Mailing AddressDc Dbh, Saint Elizabeths Hosp, 1100 Alabama Ave Se, Psychiatry Residency Program, Suite 238Washington, DC 20032
Phone(202) 299-5334
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 29, 2022
Last NPPES UpdateMarch 12, 2026
NPPES CertifiedMarch 12, 2026
✔ NPI 1710619572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CT · 83889✔ Licensed in DC · MTL500001545
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
DC DBH, SAINT ELIZABETHS HOSP, 1100 ALABAMA AVENUE SE, Washington, DC 20003
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Secondary Practice Location 1

Location 1326 Washington StNorwich, CT 06360-2740 · Phone (860) 889-8331

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Katie Louise Eileen Duhamel is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719461417
PECOS Enrollment IDI20260320000616
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Katie Duhamel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Windham Community Memorial Hospital, Inc.
294 mi
General Acute Care Hospital
112 MANSFIELD AVE
Willimantic, CT 06226
  • Reassigned Medicare billing, Connecticut enrollment
  • 302 clinicians in this Medicare group
NPI 1023191467 (860) 456-6752
William W Backus Hospital
317 mi
Psychiatric Unit
326 WASHINGTON ST
Norwich, CT 06360
  • Reassigned Medicare billing, Connecticut enrollment
  • 430 clinicians in this Medicare group
NPI 1730243536 (860) 889-8331

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Katie Duhamel's NPI number?

The NPI number for Katie Duhamel is 1710619572. It was assigned to this individual provider in the NPPES registry on June 29, 2022.

Where is Katie Duhamel located?

Katie Duhamel practices at Dc Dbh, Saint Elizabeths Hosp, 1100 Alabama Avenue SE Psychiatry Residency Program Suite 238, Washington, DC 20003. The listed phone number is (202) 299-5334.

What is Katie Duhamel's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Katie Duhamel enrolled in Medicare?

Yes. Katie Duhamel is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Katie Duhamel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Duhamel reassigns Medicare benefits to 2 organizations: Windham Community Memorial Hospital, Inc. (Willimantic, CT) and William W Backus Hospital (Norwich, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katie Duhamel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katie Duhamel was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.