ANTOINETTE MARIE STEWART M.D.
NPI 1215014659
Psychiatry & Neurology - Child & Adolescent Psychiatry in Rockville, MD

Q: What is Antoinette Stewart's NPI number?

The NPI number for Antoinette Stewart is 1215014659. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Antoinette Stewart's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Active since November 01, 2006PECOS Enrolled

11921 ROCKVILLE PIKE STE 402, ROCKVILLE, MD 20852(425) 658-2254(301) 888-8261 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 15, 2021, Mar 17, 2018, Feb 19, 2018 (3 updates tracked since 2018).

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About Antoinette Marie Stewart M.d. NPPES

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

ANTOINETTE MARIE STEWART M.D. (NPI 1215014659) is an individual child & adolescent psychiatry provider in Rockville, Maryland, licensed in Virginia (0101236941) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1215014659

Entity TypeIndividualFemale

Primary Taxonomy2084P0804X

Provider Legal NameANTOINETTE MARIE STEWARTCredential: M.D.

Location Address11921 ROCKVILLE PIKE STE 402Rockville, MD 20852-2757

Mailing Address11921 Rockville Pike Ste 402Rockville, MD 20852-2757 · (425) 658-2254 · Fax (301) 888-8261

Phone(425) 658-2254

Fax(301) 888-8261

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateNovember 1, 2006

Last NPPES UpdateJuly 30, 20253 updates tracked since enumeration

NPPES CertifiedJuly 30, 2025

✔ NPI 1215014659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in VA · 0101236941

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 2005-1477 (NC)

11921 ROCKVILLE PIKE STE 402, Rockville, MD 20852

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Secondary Practice Locations 3

Location 113215 Brook LaneHagerstown, MD 21742-1514 · Phone (301) 733-0330 ext. 1146 · Fax (301) 733-4038

Location 212359 Sunrise Valley Dr Ste 320Reston, VA 20191-3463 · Phone (703) 596-4796 · Fax (703) 787-8210

Location 32445 W 34th StErie, PA 16506-3549 · Phone (814) 835-7621 · Fax (814) 835-2906

Other Identifiers 1

Medicaid5902445NC

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Antoinette Marie Stewart M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID547203721

PECOS Enrollment IDI20160201000256, I20171025001381, I20250221003418

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.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRONE HESTON LMSW

Social Worker (Clinical)