ANTOINETTE MARIE STEWART (M.D.) – Child & Adolescent Psychiatry Physician, NPI 1215014659
Child & Adolescent Psychiatry Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,034 PSYCHIATRY in VA
Provider Addresses for ANTOINETTE MARIE STEWART (M.D.)
13121 BROOKLANE DR
HAGERSTOWN, MD 217421514
Phone: (301) 733-0330
Fax: (301) 733-4038
Type: Mailing
12359 Sunrise Valley Dr Ste 320
Reston, VA 201913463
Phone: (703) 596-4796
Fax: (703) 787-8210
Type: Location
15251 SIESTA KEY WAY APT 519
ROCKVILLE, MD 208505520
Phone: (301) 442-9904
Type: Mailing
12359 SUNRISE VALLEY DR STE 320
RESTON, VA 201913463
Phone: (703) 596-4796
Fax: (703) 787-8210
Type: Location
13215 Brook Lane
Hagerstown, MD 217421514
Phone: (301) 733-0330
Fax: (301) 733-4038
Type: Location
2445 W 34th St
Erie, PA 165063549
Phone: (814) 835-7621
Fax: (814) 835-2906
Type: Location
11921 ROCKVILLE PIKE STE 402
ROCKVILLE, MD 208522757
Phone: (425) 658-2254
Fax: (301) 888-8261
Type: Mailing
Brook Lane, 13121, Brook Lane, Bowmans Mill, Hagerstown, Washington County, Maryland, 21742, United States
HAGERSTOWN, MD 217421514
Phone: (301) 733-0330
Fax: (301) 733-4038
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $22.
Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.
Last reported payment date: 2023-10-17 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($22).
Total Amount
$22
General + Research + Ownership
Payments
1
Total payment records
General Amount
$22
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Pharmaceuticals, Inc | $22 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-02-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160201000256 | I | Psychiatry | DC | TBD |
| I20171025001381 | I | Psychiatry | MD | TBD |
| I20250221003418 | I | Psychiatry | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 21742)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Mental Health Counselor | GA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Physician Assistant | VA | |
| Clinical Social Worker | MD | |
| P S Y C H I A T R Y | DC | |
| Nurse Practitioner | MD | |
| P S Y C H I A T R Y | WV | |
| Mental Health Counselor | HI | |
| P S Y C H I A T R Y | MD |
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