1. Home
  2. Directory
  3. District Of Columbia
  4. Washington
  5. Psychiatry Neurology
  6. NPI Profile

DR. ANTOINETTE VALENTI SHAPPELL MD
NPI 1346386109
Psychiatry & Neurology - Psychiatry in Washington, DC

Active since January 29, 2007PECOS Enrolled
50 IRVING ST NW, WASHINGTON, DC 20422(202) 745-8000 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 29, 2025, Oct 10, 2025, Apr 22, 2022 and 2 more (5 updates tracked since 2015).

About Dr. Antoinette Valenti Shappell Md NPPES

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

DR. ANTOINETTE VALENTI SHAPPELL MD (NPI 1346386109) is an individual psychiatry provider in Washington, District Of Columbia, licensed in Virginia (0101255584) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1346386109
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ANTOINETTE VALENTI SHAPPELLCredential: MD
Location Address50 IRVING ST NWWashington, DC 20422-0001
Mailing Address50 Irving St NwWashington, DC 20422-0001 · (202) 745-8000
Phone(202) 745-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJanuary 29, 2007
Last NPPES UpdateDecember 29, 20255 updates tracked since enumeration
NPPES CertifiedDecember 29, 2025
✔ NPI 1346386109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in VA · 0101255584
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.
Also ListedSpecialistTaxonomy 174400000X
50 IRVING ST NW, Washington, DC 20422
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Antoinette Valenti Shappell Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2668960147
PECOS Enrollment IDI20251105001020
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 Reassignment

Medicare enrollment records show Antoinette Shappell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Health Care Services
13 mi
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1588717755 (Virginia)
  • 282 clinicians in this Medicare group
NPI 1952320061 (703) 321-2627

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 20422 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.

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.

JULIANA O ANAMELECHI
Pharmacist
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8000
JANELLE AYANA PHILLIP MSW
Social Worker (Clinical)
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8000
DR. JESSICA LEE LENDERTS DNP, FNP-BC
Nurse Practitioner (Family)
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8000
DR. VASILIOS PAPADEMETRIOU MD
Internal Medicine (Cardiovascular Disease)
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8334
VA MEDICAL CENTER,WASHINGTON,D.C.
Military Hospital (Military General Acute Care Hospital)
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8113
MS. MARLA SUE BRUNDIES LISW
Social Worker (Clinical)
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8000
ANDREA L. MEEHAN OTR/L
Occupational Therapist
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8000
AHMADU MUCTARR JALLOH SOCIAL WORKER
Social Worker (Clinical)
50 IRVING ST NW
WASHINGTON, DC 20422
District of Columbia (202) 745-8000

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 Antoinette Shappell's NPI number?

The NPI number for Antoinette Shappell is 1346386109. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is Antoinette Shappell located?

Antoinette Shappell practices at 50 Irving St NW, Washington, DC 20422. The listed phone number is (202) 745-8000.

What is Antoinette Shappell's specialty?

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

Is Antoinette Shappell enrolled in Medicare?

Yes. Antoinette Shappell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Antoinette Shappell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antoinette Shappell reassigns Medicare benefits to Inova Health Care Services (Falls Church, VA). The 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 Antoinette Shappell'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 Antoinette Shappell was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.