MS. MARY GORDON WALTER (RN/NP, PMHNP-BC) – Psychiatric/Mental Health Nurse Practitioner, NPI 1023449642
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,767 NURSE PRACTITIONER in MD
Provider Addresses for MS. MARY GORDON WALTER (RN/NP, PMHNP-BC)
976 SOLOMANS ISLAND ROAD
PRINCE FREDERICK, MD 20678
Phone: (410) 535-5400
Type: Location
975 SOLOMONS ISLAND RD N
PRINCE FREDERICK, MD 206783917
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 65 Open Payments records for all available years, with a total value of $817.
Total Amount is formed as General ($817) + Research ($0) + Ownership ($0) = $817.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: ABBVIE INC. ($228).
Total Amount
$817
General + Research + Ownership
Payments
65
Total payment records
General Amount
$817
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $228 |
| Indivior Inc. | $188 |
| ITI, Inc. | $62 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | $49 |
| Janssen Pharmaceuticals, Inc | $43 |
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: 2017-10-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20161003001632 | I | Nurse Practitioner | MD | TBD |
| I20171003006545 | I | Nurse Practitioner | DC | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 356 | 106 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 162 | 20 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 40 | 20 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 24 | 24 | $0 |
Insurance plans in this area (ZIP 20678)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MD | |
| Clinical Social Worker | MD | |
| P S Y C H I A T R Y | MD | |
| - | MD | |
| - | MD | |
| P S Y C H I A T R Y | MD | |
| - | MD | |
| Nurse Practitioner | MD | |
| - | NC | |
| - | MD |
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