KATHRYN M WISSER (DO) – Internal Medicine Physician, NPI 1073545273
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
67 GASTROENTEROLOGY in MT
Provider Addresses for KATHRYN M WISSER (DO)
320 Sunnyview Ln
Kalispell, MT 599013129
Phone: (406) 752-7441
Fax: (406) 257-0304
Type: Location
1010 Three Springs Blvd
Durango, CO 813018296
Phone: (970) 764-3800
Fax: (970) 764-3840
Type: Location
4255, Beecher Road, Flint Charter Township, Genesee County, Michigan, 48532, United States
FLINT, MI 485323608
Phone: (810) 232-3522
Fax: (810) 762-4526
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 96 Open Payments records for all available years, with a total value of $2,085.
Total Amount is formed as General ($2,085) + Research ($0) + Ownership ($0) = $2,085.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: ABBVIE INC. ($516).
Total Amount
$2,085
General + Research + Ownership
Payments
96
Total payment records
General Amount
$2,085
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $516 |
| Takeda Pharmaceuticals U.S.A., Inc. | $418 |
| Gilead Sciences, Inc. | $229 |
| Boston Scientific Corporation | $130 |
| Phathom Pharmaceuticals, Inc. | $96 |
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: 2024-10-24
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 |
|---|---|---|---|---|
| I20170905002432 | I | Gastroenterology | CO | TBD |
| I20241024001041 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 96 | 95 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 65 | 57 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 60 | 60 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 35 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 29 | 23 | $0 |
Insurance plans in this area (ZIP 59901)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MI | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 42 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| Infectious Disease, Internal Medicine | MT | |
| - | MT | |
| - | MT | |
| Internal Medicine | MT | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | MT | |
| Diagnostic Radiology | CA | |
| - | MT | |
| - | MT | |
| Family Practice | MT |
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