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Internal Medicine

Dorly M. Nerval, MD

Works at hospitals in Potsdam, NY · Massena, NY · New York

Summary

Dr. Dorly M. Nerval, MD is an internal medicine doctor at 395 Sunken Meadow Rd, Kings Park, NY 11754. Phone: (631) 269-5800. Accepts Medicare assignment. In 2024, Dorly M. Nerval had 143 Original Medicare patients and 156 services. NPI 1366605230. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 395 Sunken Meadow Rd, Kings Park, NY 11754 · Directions (1 more location)
  • Phone: (631) 269‑5800
  • Medicare: Accepts Medicare assignment
  • Hospitals: Canton-Potsdam Hospital, SLHS Massena, Inc
  • Group practice: Canton-Potsdam Hospital (+1 more)
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Dorly M. Nerval, 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 Dorly M. Nerval accept Medicare assignment?
Yes. Medicare's clinician data says Dorly M. Nerval 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 Dorly M. Nerval see?
In 2024, CMS data shows 143 Original Medicare patients and 156 services for Dorly M. Nerval. This counts Original Medicare only and measures volume, not quality.
What is Dorly M. Nerval's NPI number?
1366605230. 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 Dorly M. Nerval, 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 patients143
Services billed to Medicare156
Different services or procedures6
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)98 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)43 services
  3. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)11 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%
  • Anxiety53%
  • Arthritis52%
  • Chronic kidney disease49%
  • Heart failure47%

Hospitals where Dorly M. Nerval works

Medicare's Facility Affiliation Data lists Dorly M. Nerval 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.

  • Canton-Potsdam HospitalPotsdam, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330197
  • SLHS Massena, IncMassena, NY · Critical Access Hospital · Emergency services: listed by Medicare · CCN 331322

Practice locations

Addresses where Dorly M. Nerval is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dorly M. Nerval as a member of these groups (CMS data updated October 2, 2026).

  • Canton-Potsdam Hospital252 clinicians in the group
  • Progressive Care Medical Group PLLC49 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

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

All internal medicine doctors in New York →

Other clinicians in Canton-Potsdam Hospital

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366605230
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