Quick answers
- Does Kerri M. Fontaine accept Medicare assignment?
- Yes. Medicare's clinician data says Kerri M. Fontaine 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 Kerri M. Fontaine see?
- In 2024, CMS data shows 340 Original Medicare patients and 447 services for Kerri M. Fontaine. This counts Original Medicare only and measures volume, not quality.
- What is Kerri M. Fontaine's NPI number?
- 1821392192. 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 Kerri M. Fontaine, 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 | 340 |
|---|---|
| Services billed to Medicare | 447 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for lens surgery (00142)364 services
- Anesthesia for procedure on eyelid (00103)51 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 cholesterol69%
- High blood pressure67%
- Arthritis34%
- Diabetes24%
- Ischemic heart disease22%
- Anxiety19%
Hospitals where Kerri M. Fontaine works
Medicare's Facility Affiliation Data lists Kerri M. Fontaine 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.
- Central Maine Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200024
- Exeter Hospital IncExeter, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300023
Practice locations
Addresses where Kerri M. Fontaine is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Main StLewiston, ME 04240 (207) 795‑0111
- 5 Alumni DrExeter, NH 03833 (603) 778‑7311
- 88 McGregor St, Suite 303Manchester, NH 03102 (603) 647‑9325
Group practices
Medicare enrollment lists Kerri M. Fontaine as a member of these groups (CMS data updated October 2, 2026).
- Central Maine Medical Center342 clinicians in the group
- Anesthesia Care Group PC34 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Maine →
Other nurse anesthetists in Lewiston
Clinicians with the same Medicare primary specialty in Lewiston, ME — not a recommendation.
Other clinicians in Central Maine Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821392192 |
| 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