DR. JON STEPHEN ASHLEY (MD) – Emergency Medical Services (Emergency Medicine) Physician, NPI 1104900968
Emergency Medical Services (Emergency Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
587 EMERGENCY MEDICINE in MS
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Provider Addresses for DR. JON STEPHEN ASHLEY (MD)
1410, Sacramento Street, Greenwood Manor, Upper Marlboro, Prince George's County, Maryland, 20774, United States
GREENWOOD, MS 389351410
Phone: (662) 459-2613
Fax: (662) 459-1159
Type: Mailing
Greenwood-Leflore Hospital, 1401, River Road, Greenwood, Leflore County, Mississippi, 38930, United States
GREENWOOD, MS 389304030
Phone: (662) 459-2613
Fax: (662) 459-1159
Type: Location
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: 2010-10-11
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 |
|---|---|---|---|---|
| I20101011000135 | I | Emergency Medicine | MS | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 259 | 235 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 162 | 153 | $0 |
| 99291 | Critical care, first 30-74 minutes | 49 | 48 | $0 |
Insurance plans in this area (ZIP 38935)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MS | |
| Internal Medicine | MS | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | MS | |
| - | MS | |
| Hospitalist, Family Practice, Internal Medicine, Family Practice | WI | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | MS | |
| Emergency Medicine | MS | |
| Nurse Practitioner | TN |
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