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Physician Assistant

Courtney Sherlock, PA

Works at hospitals in Milford, MA · Massachusetts

Summary

Courtney Sherlock, PA is a physician assistant at 308 Main St, Milford, MA 01757. Phone: (508) 478-0555. Accepts Medicare assignment. In 2024, Courtney Sherlock had 498 Original Medicare patients and 1,083 services. NPI 1538396023. 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: Physician assistant
  • Address: 308 Main St, Milford, MA 01757 · Directions (1 more location)
  • Phone: (508) 478‑0555
  • Medicare: Accepts Medicare assignment
  • Hospital: Milford Regional Medical Center
  • Group practice: UMass Memorial Medical Group Inc (+1 more)
  • School: graduated 2009
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney Sherlock, 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 Courtney Sherlock accept Medicare assignment?
Yes. Medicare's clinician data says Courtney Sherlock 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 Courtney Sherlock see?
In 2024, CMS data shows 498 Original Medicare patients and 1,083 services for Courtney Sherlock. This counts Original Medicare only and measures volume, not quality.
What is Courtney Sherlock's NPI number?
1538396023. 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 Courtney Sherlock, 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 patients498
Services billed to Medicare1,083
Different services or procedures14
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Removal of impacted ear wax (69210)530 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)223 services
  3. Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing (G0268)125 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)55 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)42 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 cholesterol75%
  • High blood pressure74%
  • Arthritis48%
  • Chronic kidney disease28%
  • Anxiety27%
  • Diabetes26%

Hospitals where Courtney Sherlock works

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

Group practices

Medicare enrollment lists Courtney Sherlock as a member of these groups (CMS data updated October 2, 2026).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group
  • Milford Regional Physician Group, Inc.210 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Milford

Clinicians with the same Medicare primary specialty in Milford, MA — not a recommendation.

All physician assistants in Milford →

Other clinicians in UMass Memorial Medical Group Inc

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

Clinician information

CredentialPA
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538396023
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