Marisa Spencer, MD
NPI 1053637223 · Gastroenterology Physician · Woodbury, MN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Spencer, MD is a Gastroenterology Physician provider in Woodbury, MN (NPI 1053637223).
Provider details
- NPI number
- 1053637223
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 69162 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
714 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 275 | $35 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 89 | $233 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $121 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 60 | $86 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 37 | $99 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 122 | 44 |
| Esomeprazole Magnesium | 47 | 16 |
| Ustekinumabbrand: Stelara | 33 | — |
| Pantoprazole Sodium | 31 | 17 |
| Azathioprine | 19 | — |
| Famotidine | 19 | — |
| Lipase/Protease/Amylasebrand: Creon | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-13
- Last updated
- 2023-08-11
- Certified
- 2023-08-11
Frequently asked questions
- What is Marisa Spencer's NPI number?
- Marisa Spencer's National Provider Identifier (NPI) is 1053637223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Spencer's specialty?
- Marisa Spencer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Marisa Spencer located?
- Marisa Spencer's practice location on file with NPPES is 237 Radio Dr Ste 210, Woodbury, MN 55125-4478.
- What is Marisa Spencer's phone number?
- The practice phone number listed in the NPPES registry for Marisa Spencer is (612) 871-1145.
- Does Marisa Spencer accept Medicare?
- Marisa Spencer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Spencer's NPI active?
- Yes — Marisa Spencer's NPI (1053637223) is active in the NPPES registry as of the last update on 2023-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.