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Nurse Practitioner

Naomi K. Errath, NP

Works at hospitals in W Concord, MA · Massachusetts

Summary

Naomi K. Errath, 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, Naomi K. Errath had 174 Original Medicare patients and 494 services. NPI 1063024693. 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 (2 more locations)
  • Phone: (978) 287‑3020
  • Medicare: Accepts Medicare assignment
  • Hospital: Emerson Hospital -
  • Group practice: Emerson Practice Associates, Inc
  • School: graduated 2020
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Naomi K. Errath, 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 Naomi K. Errath accept Medicare assignment?
Yes. Medicare's clinician data says Naomi K. Errath 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 Naomi K. Errath see?
In 2024, CMS data shows 174 Original Medicare patients and 494 services for Naomi K. Errath. This counts Original Medicare only and measures volume, not quality.
What is Naomi K. Errath's NPI number?
1063024693. 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 Naomi K. Errath, 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 patients174
Services billed to Medicare494
Different services or procedures25
Participating Medicare providerYes
Average age of these patients76

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)144 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)108 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)60 services
  4. Removal of impacted ear wax (69210)26 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)26 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 pressure67%
  • Arthritis44%
  • Anxiety31%
  • Ischemic heart disease28%
  • Depression27%

Hospitals where Naomi K. Errath works

Medicare's Facility Affiliation Data lists Naomi K. Errath 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 Naomi K. Errath 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
  • 200 Baker AveConcord, MA 01742 (978) 287‑3321

Group practices

Medicare enrollment lists Naomi K. Errath 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)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1063024693
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