Quick answers
- Does Gretchen C. Schumacher accept Medicare assignment?
- Yes. Medicare's clinician data says Gretchen C. Schumacher accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gretchen C. Schumacher see?
- In 2024, CMS data shows 115 Original Medicare patients and 422 services for Gretchen C. Schumacher. This counts Original Medicare only and measures volume, not quality.
- What is Gretchen C. Schumacher's NPI number?
- 1235152935. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gretchen C. Schumacher, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 115 |
|---|---|
| Services billed to Medicare | 422 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)89 services
- Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif (G0318)81 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)55 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)45 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)36 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Depression38%
- Heart failure36%
- Alzheimer's disease or dementia35%
Hospitals where Gretchen C. Schumacher works
Medicare's Facility Affiliation Data lists Gretchen C. Schumacher at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- MaineHealth Pen Bay HospitalRockport, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200063
Practice locations
Addresses where Gretchen C. Schumacher is enrolled with Medicare (CMS data updated October 2, 2026).
- 135 Main StNorth Haven, ME 04853 (207) 867‑2021
Group practices
Medicare enrollment lists Gretchen C. Schumacher as a member of this group (CMS data updated October 2, 2026).
- Town of North Haven2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Other clinicians in Town of North Haven
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235152935 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians