MARISA ANN SPENCER (MD) – Gastroenterology Physician, NPI 1053637223
Gastroenterology Physician
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Profile Insights
NPPES metrics only — not quality of care.
500 GASTROENTEROLOGY in MN
Provider Addresses for MARISA ANN SPENCER (MD)
PO BOX 14909
MINNEAPOLIS, MN 554140909
Phone: (612) 871-1145
Fax: (612) 870-5491
Type: Mailing
237 RADIO DR STE 210
WOODBURY, MN 551254478
Phone: (612) 871-1145
Fax: (612) 870-5491
Type: Location
St. Croix Regional Medical Center, 235, East State Street, St. Croix Falls, Polk County, Wisconsin, 54024, United States
SAINT CROIX FALLS, WI 540244117
Phone: (715) 483-3221
Fax: (715) 483-0507
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: 2020-03-27
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 |
|---|---|---|---|---|
| I20180629000347 | I | Gastroenterology | WI | TBD |
| I20200327002500 | I | Gastroenterology | MN | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 83 | 38 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 27 | 27 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 22 | 21 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 19 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 16 | 16 | $0 |
Insurance plans in this area (ZIP 55414)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MN | |
| - | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| G A S T R O E N T E R O L O G Y | IL | |
| G A S T R O E N T E R O L O G Y | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| G A S T R O E N T E R O L O G Y | MN | |
| Pediatric Medicine, Gastroenterology | MN | |
| Gastroenterology, Internal Medicine | MN |
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