GROVER GENE SHIPMAN (MD) – Emergency Medicine Physician, NPI 1104929017
Emergency Medicine Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for GROVER GENE SHIPMAN (MD)
P.O. BOX 12259
WESTMINSTER, CA 926852259
Phone: (888) 634-8405
Type: Mailing
Mercy Medical Center Mount Shasta, 914, Pine Street, Mount Shasta, Siskiyou County, California, 96067, United States
MOUNT SHASTA, CA 960672143
Phone: (530) 926-6111
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: 2006-12-07
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 |
|---|---|---|---|---|
| I20061207000453 | I | Emergency Medicine | CA | 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 | 237 | 218 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 180 | 172 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 66 | 59 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 39 | 35 | $0 |
Insurance plans in this area (ZIP 92685)
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