MS. MARY KATHERINE GAST (CRNP) – Adult Health Nurse Practitioner, NPI 1396963609
Adult Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MS. MARY KATHERINE GAST (CRNP)
1111 BENFIELD BLVD
MILLERSVILLE, MD 211083002
Phone: (410) 729-5100
Type: Mailing
24 MAGOTHY BEACH RD STE A
PASADENA, MD 211224414
Phone: (410) 255-2700
Type: Location
1601 KIRKWOOD HWY
WILMINGTON, DE 198054917
Phone: (800) 461-8262
Fax: (302) 633-5379
Type: Mailing
21748 ROTH AVE
GEORGETOWN, DE 199473239
Phone: (800) 461-8262
Fax: (302) 633-5379
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $32.
Total Amount is formed as General ($32) + Research ($0) + Ownership ($0) = $32.
Last reported payment date: 2023-10-18 • Largest payer in this snapshot: Novo Nordisk Inc ($32).
Total Amount
$32
General + Research + Ownership
Payments
2
Total payment records
General Amount
$32
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $32 |
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: 2007-10-12
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 |
|---|---|---|---|---|
| I20071012000584 | I | Nurse Practitioner | MD | 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 |
|---|---|---|---|---|
| 99350 | Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 29 | 26 | $0 |
Insurance plans in this area (ZIP 21108)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MD | |
| - | MD | |
| - | GA | |
| - | MD | |
| - | MD | |
| Family Practice | MD | |
| Family Practice, Hospice/Palliative Care, Geriatric Medicine | MD | |
| Nurse Practitioner | ME | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD |
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