MARY MARGARET EWING (M.D., M.B.A.) – Psychiatry Physician, NPI 1073652004
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,134 PSYCHIATRY in CA
Provider Addresses for MARY MARGARET EWING (M.D., M.B.A.)
PO BOX 265
RIVERDALE, MD 207380265
Phone:
Type: Mailing
995 GATEWAY CENTER WAY
SAN DIEGO, CA 921024500
Phone: (555) 555-5555
Type: Location
7660 FAY AVE # 352
LA JOLLA, CA 920370021
Phone: (619) 549-4025
Type: Mailing
1120 SILVERADO ST STE 203
LA JOLLA, CA 920374524
Phone: (858) 412-5141
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $401.
Total Amount is formed as General ($401) + Research ($0) + Ownership ($0) = $401.
Last reported payment date: 2024-09-04 • Largest payer in this snapshot: Corium, LLC ($152).
Total Amount
$401
General + Research + Ownership
Payments
13
Total payment records
General Amount
$401
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-04
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-11-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20101122000902 | I | Psychiatry | CA | 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 20738)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Psychiatry, Osteopathic Manipulative Medicine | CA | |
| Psychiatry, Neuropsychiatry | CA | |
| P S Y C H I A T R Y | CA | |
| P S Y C H I A T R Y | OR | |
| Nurse Practitioner | OR | |
| P S Y C H I A T R Y | NY | |
| P S Y C H I A T R Y | CA | |
| P S Y C H I A T R Y | CA |
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