Quick answers
- Does Gretchen F. Preneta accept Medicare assignment?
- Yes. Medicare's clinician data says Gretchen F. Preneta 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 F. Preneta see?
- In 2024, CMS data shows 86 Original Medicare patients and 394 services for Gretchen F. Preneta. This counts Original Medicare only and measures volume, not quality.
- What is Gretchen F. Preneta's NPI number?
- 1700190519. 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 F. Preneta, 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 | 86 |
|---|---|
| Services billed to Medicare | 394 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Prolonged hospital inpatient or observation care 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 th (G0316)163 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)49 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)42 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)34 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)21 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 cholesterol62%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)62%
- Anxiety50%
- Depression43%
- Arthritis37%
Hospitals where Gretchen F. Preneta works
Medicare's Facility Affiliation Data lists Gretchen F. Preneta 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 Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009
Practice locations
Addresses where Gretchen F. Preneta is enrolled with Medicare (CMS data updated October 2, 2026).
- 11 Rock RowWestbrook, ME 04092 (207) 303‑3300
- 15 Rock Row, Suite 110Westbrook, ME 04092 (207) 303‑3300
- 2 Independence DrKennebunk, ME 04043 (207) 303‑3300
Group practices
Medicare enrollment lists Gretchen F. Preneta as a member of this group (CMS data updated October 2, 2026).
- Maine Center for Cancer Medicine and Blood Disorders PA70 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Westbrook
Clinicians with the same Medicare primary specialty in Westbrook, ME — not a recommendation.
Other clinicians in Maine Center for Cancer Medicine and Blood Disorders PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Of New England, College Of Osteo Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1700190519 |
| 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