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Nurse Practitioner

Charisse Williams-Stewart, NP

Sees patients in Cooperstown, NY · Lansing, MI · Brooklyn, NY … · New York, Michigan, Virginia

Summary

Charisse Williams-Stewart, NP is a nurse practitioner at 1 Atwell Rd, Cooperstown, NY 13326. Phone: (607) 547-3480. Accepts Medicare assignment. In 2024, Charisse Williams-Stewart had 1,420 Original Medicare patients and 3,117 services. NPI 1740948470. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 1 Atwell Rd, Cooperstown, NY 13326 · Directions (12 more locations)
  • Phone: (607) 547‑3480
  • Medicare: Accepts Medicare assignment
  • Group practice: Geisinger Clinic (+5 more)
  • School: graduated 2021
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Charisse Williams-Stewart, 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 Charisse Williams-Stewart accept Medicare assignment?
Yes. Medicare's clinician data says Charisse Williams-Stewart 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 Charisse Williams-Stewart see?
In 2024, CMS data shows 1,420 Original Medicare patients and 3,117 services for Charisse Williams-Stewart. This counts Original Medicare only and measures volume, not quality.
What is Charisse Williams-Stewart's NPI number?
1740948470. 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 Charisse Williams-Stewart, 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 patients1,420
Services billed to Medicare3,117
Different services or procedures4
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)1,343 services
  2. Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)786 services
  3. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)773 services
  4. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)215 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%
  • Arthritis71%
  • Ischemic heart disease64%
  • Depression58%
  • Diabetes54%

Practice locations

Addresses where Charisse Williams-Stewart is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.

Group practices

Medicare enrollment lists Charisse Williams-Stewart as a member of these groups (CMS data updated October 2, 2026).

  • Geisinger Clinic3,467 clinicians in the group
  • Carolinas Medical Center1,067 clinicians in the group
  • Carilion Medical Center977 clinicians in the group
  • Mary Imogene Bassett Hospital763 clinicians in the group
  • Edward W Sparrow Hospital Association730 clinicians in the group
  • Nuvance Health Medical Practice PC595 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Cooperstown

Clinicians with the same Medicare primary specialty in Cooperstown, NY — not a recommendation.

All nurse practitioners in Cooperstown →

Other clinicians in Geisinger Clinic

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

Clinician information

CredentialNP
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1740948470
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians