MARY ANNE WALKER (CRNP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1699761619
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,767 NURSE PRACTITIONER in MD
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Provider Addresses for MARY ANNE WALKER (CRNP)
106, Milford Street, The Friary, Salisbury, Wiltshire, England, SP1 2QL, United Kingdom
SUITE 504B
SALISBURY, MD 218046953
Phone: (410) 546-5954
Fax: (410) 219-3038
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 39 Open Payments records for all available years, with a total value of $882.
Total Amount is formed as General ($882) + Research ($0) + Ownership ($0) = $882.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($247).
Total Amount
$882
General + Research + Ownership
Payments
39
Total payment records
General Amount
$882
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
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: 2017-09-21
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 |
|---|---|---|---|---|
| I20050819000573 | I | Nurse Practitioner | MD | TBD |
| I20170921001309 | 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 |
|---|---|---|---|---|
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 238 | 48 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 126 | 38 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 104 | 36 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $0 |
Insurance plans in this area (ZIP 21804)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MD | |
| Clinical Social Worker | MD | |
| Nurse Practitioner | DE | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD |
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