Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Lorraine M. Reiser, NP

Works at hospitals in Rockport, ME · Maine

Summary

Lorraine M. Reiser, NP is a nurse practitioner at 135 Main St, North Haven, ME 04853. Phone: (207) 867-2021. Accepts Medicare assignment. In 2024, Lorraine M. Reiser had 67 Original Medicare patients and 164 services. NPI 1326155862. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Lorraine M. Reiser, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Lorraine M. Reiser accept Medicare assignment?
Yes. Medicare's clinician data says Lorraine M. Reiser 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 Lorraine M. Reiser see?
In 2024, CMS data shows 67 Original Medicare patients and 164 services for Lorraine M. Reiser. This counts Original Medicare only and measures volume, not quality.
What is Lorraine M. Reiser's NPI number?
1326155862. 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 Lorraine M. Reiser, 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 patients67
Services billed to Medicare164
Different services or procedures18
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)89 services
  2. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)22 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 cholesterol64%
  • High blood pressure52%
  • Arthritis31%
  • Atrial fibrillation22%
  • Diabetes19%
  • Ischemic heart disease19%

Hospitals where Lorraine M. Reiser works

Medicare's Facility Affiliation Data lists Lorraine M. Reiser 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 Lorraine M. Reiser is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lorraine M. Reiser as a member of this group (CMS data updated October 2, 2026).

  • Town of North Haven2 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Maine →

Other nurse practitioners in Maine

Clinicians with the same Medicare primary specialty in Maine — not a recommendation.

All nurse practitioners in Maine →

Other clinicians in Town of North Haven

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326155862
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians