MRS. SONIA DEMETRIS WALKER (WHNP) – Family Nurse Practitioner, NPI 1639381643
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,307 NURSE PRACTITIONER in VA
Provider Addresses for MRS. SONIA DEMETRIS WALKER (WHNP)
830 KEMPSVILLE RD RM 2B223
NORFOLK, VA 235023920
Phone: (757) 261-8860
Fax: (757) 689-2420
Type: Mailing
Sentara Leigh Hospital, 830, Kempsville Road, Glen Rock, Fairlawn Estates, Norfolk, Virginia, 23502, United States
1ST FL
NORFOLK, VA 235023920
Phone: (757) 261-5640
Fax: (757) 261-5861
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: 2012-08-06
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 |
|---|---|---|---|---|
| I20120806000930 | I | Nurse Practitioner | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 32 | 31 | $0 |
| 99497 | Advance care planning, first 30 minutes | 30 | 26 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 26 | 25 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 13 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 12 | 11 | $0 |
Insurance plans in this area (ZIP 23502)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | VA | |
| Nurse Practitioner | VA | |
| - | MI | |
| - | VA | |
| - | VA | |
| Pulmonary Disease, Internal Medicine | GA | |
| N E U R O L O G Y | VA | |
| Physician Assistant | VA | |
| - | VA | |
| Family Practice | VA |
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