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Physician Assistant

Megan S. Stock

Works at hospitals in Hartford, CT · New Britain, CT · Connecticut

Summary

Megan S. Stock is a physician assistant at 100 Simsbury Rd, Suite 203, Avon, CT 06001. Phone: (860) 284-5111. Accepts Medicare assignment. In 2024, Megan S. Stock had 133 Original Medicare patients and 370 services. NPI 1972944957. 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 Megan S. Stock, 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 Megan S. Stock accept Medicare assignment?
Yes. Medicare's clinician data says Megan S. Stock 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 Megan S. Stock see?
In 2024, CMS data shows 133 Original Medicare patients and 370 services for Megan S. Stock. This counts Original Medicare only and measures volume, not quality.
What is Megan S. Stock's NPI number?
1972944957. 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 Megan S. Stock, 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 patients133
Services billed to Medicare370
Different services or procedures23
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)152 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)56 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)32 services
  4. Hemoglobin a1c level (83036)21 services
  5. Administration of influenza virus vaccine (G0008)18 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 cholesterol74%
  • High blood pressure69%
  • Arthritis37%
  • Chronic kidney disease26%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)23%
  • Depression22%

Hospitals where Megan S. Stock works

Medicare's Facility Affiliation Data lists Megan S. Stock 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.

Practice locations

Addresses where Megan S. Stock is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Megan S. Stock as a member of this group (CMS data updated October 2, 2026).

  • Hartford Healthcare Medical Group Inc267 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Connecticut →

Other physician assistants in Avon

Clinicians with the same Medicare primary specialty in Avon, CT — not a recommendation.

All physician assistants in Avon →

Other clinicians in Hartford Healthcare Medical Group Inc

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

Clinician information

Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972944957
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