MARCUS F KEEP (MD) – Neurological Surgery Physician, NPI 1164438743
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
464 NEUROSURGERY in PA
Provider Addresses for MARCUS F KEEP (MD)
2494 Bernville Rd
Ste. 200
Reading, PA 19605
Phone: (610) 378-2557
Fax: (610) 208-8839
Type: Location
PO BOX 5074
SIOUX FALLS, SD 571175074
Phone:
Type: Mailing
700 1ST AVE S
FARGO, ND 581031802
Phone: (701) 234-4036
Type: Location
Bernville Road, Reading, Berks County, Pennsylvania, 19601, United States
READING, PA 196059453
Phone: (610) 378-2557
Fax: (610) 208-8839
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: 2017-04-19
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 |
|---|---|---|---|---|
| I20040305000875 | I | Neurosurgery | WI | TBD |
| I20170419001625 | I | Neurosurgery | ND | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 49 | 49 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 14 | 12 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 11 | 11 | $0 |
Insurance plans in this area (ZIP 19605)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | ND | |
| Nurse Practitioner | ND | |
| - | ND | |
| - | ND | |
| P S Y C H I A T R Y | ND | |
| - | PA | |
| N E P H R O L O G Y | SD | |
| U R O L O G Y | MI | |
| Nurse Practitioner | ND | |
| H O S P I T A L I S T | ND |
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