DR. CASE CALVIN EVERETT (MD) – Family Medicine Physician, NPI 1144481441
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,656 FAMILY PRACTICE in IA
Provider Addresses for DR. CASE CALVIN EVERETT (MD)
1001 Pennsylvania Ave
Ottumwa, IA 525016427
Phone: (641) 684-2300
Type: Location
Grinnell Regional Medical Center, 210, 4th Avenue, Grinnell, Poweshiek County, Iowa, 50112, United States
GRINNELL, IA 501121898
Phone: (641) 236-2015
Fax: (641) 236-2063
Type: Mailing
1009 PENNSYLVANIA AVE
OTTUMWA, IA 525012108
Phone: (416) 836-6868
Fax: (641) 683-6869
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 30 Open Payments records for all available years, with a total value of $635.
Total Amount is formed as General ($635) + Research ($0) + Ownership ($0) = $635.
Last reported payment date: 2024-11-07 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($183).
Total Amount
$635
General + Research + Ownership
Payments
30
Total payment records
General Amount
$635
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2016-03-07
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 |
|---|---|---|---|---|
| I20160307000041 | I | Family Practice | IA | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 13 | 12 | $0 |
Insurance plans in this area (ZIP 52501)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | OH | |
| Certified Nurse Midwife (Cnm) | IA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Family Practice | IA | |
| - | IA | |
| Nurse Practitioner | IA | |
| Family Practice | IA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | VA | |
| Nurse Practitioner | IA |
Reviews
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