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Nurse Practitioner

Mark J. Waksmonski, NP

Works at hospitals in W Concord, MA · Massachusetts

Summary

Mark J. Waksmonski, NP is a nurse practitioner at 133 Old Rd To 9 Acre Cor, Concord, MA 01742. Phone: (978) 287-3020. Accepts Medicare assignment. In 2024, Mark J. Waksmonski had 36 Original Medicare patients and 92 services. NPI 1417576554. 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: Nurse practitioner
  • Address: 133 Old Rd To 9 Acre Cor, Concord, MA 01742 · Directions (1 more location)
  • Phone: (978) 287‑3020
  • Medicare: Accepts Medicare assignment
  • Hospital: Emerson Hospital -
  • Group practice: Emerson Practice Associates, Inc
  • School: graduated 2020
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Mark J. Waksmonski, 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 Mark J. Waksmonski accept Medicare assignment?
Yes. Medicare's clinician data says Mark J. Waksmonski 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 Mark J. Waksmonski see?
In 2024, CMS data shows 36 Original Medicare patients and 92 services for Mark J. Waksmonski. This counts Original Medicare only and measures volume, not quality.
What is Mark J. Waksmonski's NPI number?
1417576554. 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 Mark J. Waksmonski, 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 patients36
Services billed to Medicare92
Different services or procedures7
Participating Medicare providerYes
Average age of these patients65

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)54 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)25 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).

  • Anxiety75%
  • High blood pressure69%
  • High cholesterol69%
  • Depression69%
  • Arthritis44%
  • Alzheimer's disease or dementia42%

Hospitals where Mark J. Waksmonski works

Medicare's Facility Affiliation Data lists Mark J. Waksmonski 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.

  • Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084

Practice locations

Addresses where Mark J. Waksmonski is enrolled with Medicare (CMS data updated October 2, 2026).

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

Group practices

Medicare enrollment lists Mark J. Waksmonski as a member of this group (CMS data updated October 2, 2026).

  • Emerson Practice Associates, Inc240 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Concord

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

All nurse practitioners in Concord →

Other clinicians in Emerson Practice Associates, Inc

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

Clinician information

CredentialNP
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417576554
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