DR. MARNI N. SEYYID (LCSW-C) – Clinical Social Worker, NPI 1801046941
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,276 CLINICAL SOCIAL WORKER in MD
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Provider Addresses for DR. MARNI N. SEYYID (LCSW-C)
4802, Gwynn Oak Avenue, Howard Park, Baltimore, Maryland, 21207, United States
SUITE 200-R
BALTIMORE, MD 21207
Phone: (410) 466-3010
Fax: (410) 466-3013
Type: Mailing
3 NEW ST
HARRINGTON, DE 199521351
Phone: (443) 742-4865
Fax: (410) 466-3013
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2024-07-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20230531001809 | I | Clinical Social Worker | VA | TBD |
| I20230609000826 | I | Clinical Social Worker | DE | TBD |
| I20230807002768 | I | Clinical Social Worker | DC | TBD |
| I20240727000000 | I | Clinical Social Worker | NC | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 537 | 66 | $0 |
| 90832 | Psychotherapy, 30 minutes | 95 | 31 | $0 |
| 90834 | Psychotherapy, 45 minutes | 77 | 34 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 45 | 45 | $0 |
Insurance plans in this area (ZIP 21207)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | KS | |
| Clinical Psychologist | AZ | |
| Clinical Social Worker | IN | |
| Clinical Psychologist | PA | |
| Marriage And Family Therapist | WA | |
| Clinical Psychologist | RI | |
| Clinical Social Worker | MI | |
| Marriage And Family Therapist | WA | |
| Clinical Social Worker | WA | |
| Clinical Social Worker | IN |
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