Antoinette Stewart, M.D.
NPI 1215014659 · Child & Adolescent Psychiatry Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Antoinette Stewart, M.D. is a Child & Adolescent Psychiatry Physician provider in Rockville, MD (NPI 1215014659).
Provider details
- NPI number
- 1215014659
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0101236941 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (3)
- 13215 Brook LaneHagerstown, MD 21742-1514Phone: (301) 733-0330Fax: (301) 733-4038
- 2445 W 34th StErie, PA 16506-3549Phone: (814) 835-7621Fax: (814) 835-2906
- 12359 Sunrise Valley Dr Ste 320Reston, VA 20191-3463Phone: (703) 596-4796Fax: (703) 787-8210
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2025-07-30
- Certified
- 2025-07-30
Frequently asked questions
- What is Antoinette Stewart's NPI number?
- Antoinette Stewart's National Provider Identifier (NPI) is 1215014659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Antoinette Stewart's specialty?
- Antoinette Stewart is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Antoinette Stewart located?
- Antoinette Stewart's practice location on file with NPPES is 11921 Rockville Pike Ste 402, Rockville, MD 20852-2757.
- What is Antoinette Stewart's phone number?
- The practice phone number listed in the NPPES registry for Antoinette Stewart is (425) 658-2254.
- Does Antoinette Stewart accept Medicare?
- Antoinette Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Antoinette Stewart's NPI active?
- Yes — Antoinette Stewart's NPI (1215014659) is active in the NPPES registry as of the last update on 2025-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.