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Physician Assistant

Joanna Welch, PA

Sees patients in Concord, MA · Littleton, MA · Massachusetts

Summary

Joanna Welch, PA (Physician Assistant) is enrolled with Medicare at 3 practice locations in Concord, MA and Littleton, MA. NPI 1730499641. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joanna Welch, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
FemaleGender (as listed)
Emerson Practice Associates, IncGroup practice

Quick answers

Where does Joanna Welch see patients?
Medicare's clinician data lists 3 practice locations, including Concord, MA and Littleton, MA. Call before your visit to confirm the address.
What is Joanna Welch's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Joanna Welch accept Medicare assignment?
Yes. Medicare's clinician data says Joanna Welch accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Joanna Welch?
(978) 287-3020, as listed in official Medicare / NPI Registry data.
What is Joanna Welch's NPI number?
1730499641. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Joanna Welch is enrolled with Medicare (CMS data updated 2026-10-02).

  • 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑3020
  • 133 Old Rd To Nine Acre Corner, Mary Beth MisservilleConcord, MA 01742
  • 830 Constitution AveLittleton, MA 01460 (978) 287‑8990

Group practices

Medicare enrollment lists Joanna Welch as a member of this group (CMS data updated 2026-10-02).

  • Emerson Practice Associates, Inc240 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Concord

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

All physician assistants in Concord →

Clinician information

CredentialPA
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730499641
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians