EVE M GERASIMOU (MD) – Internal Medicine Physician, NPI 1457312464
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
484 INTERNAL MEDICINE in MT
Provider Addresses for EVE M GERASIMOU (MD)
601 1st Ave N
Great Falls, MT 594012510
Phone: (406) 454-6973
Fax: (406) 791-9277
Type: Location
115 4th St S
Great Falls, MT 594013618
Phone: (406) 454-6973
Fax: (406) 791-9277
Type: Location
Great Falls Clinic Hospital, 3000, 15th Avenue South, Great Falls, Cascade County, Montana, 59405, United States
GREAT FALLS, MT 594055240
Phone: (406) 454-2171
Fax: (406) 771-3021
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $311.
Total Amount is formed as General ($311) + Research ($0) + Ownership ($0) = $311.
Last reported payment date: 2024-05-30 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($122).
Total Amount
$311
General + Research + Ownership
Payments
18
Total payment records
General Amount
$311
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-30
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: 2005-03-14
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 |
|---|---|---|---|---|
| I20050314000514 | I | Internal Medicine | MT | 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 |
|---|---|---|---|---|
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 354 | 301 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 326 | 264 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 320 | 213 | $0 |
| 85610 | Blood test, clotting time | 138 | 42 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 88 | 88 | $0 |
Insurance plans in this area (ZIP 59401)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MT | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 39 | 30 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Gastroenterology | UT | |
| Nurse Practitioner | MT | |
| O P H T H A L M O L O G Y | PA | |
| - | MT | |
| Nurse Practitioner | MT | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Cardiovascular Disease (Cardiology) | MT | |
| Internal Medicine, Internal Medicine, Infectious Disease, Infectious Disease | NM | |
| U R O L O G Y | MT | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | MI | |
| - | MT |
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