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Nurse Practitioner

Diane M. Kotsaftis, NP

Works at hospitals in W Concord, MA · Massachusetts

Summary

Diane M. Kotsaftis, NP is a nurse practitioner at 131 Old Rd To 9 Acre Cor, Concord, MA 01742. Phone: (978) 287-3835. Accepts Medicare assignment. In 2024, Diane M. Kotsaftis had 122 Original Medicare patients and 364 services. NPI 1043269483. 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: 131 Old Rd To 9 Acre Cor, Concord, MA 01742 · Directions
  • Phone: (978) 287‑3835
  • Medicare: Accepts Medicare assignment
  • Hospital: Emerson Hospital -
  • Group practice: Emerson Practice Associates, Inc
  • School: graduated 1964
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Diane M. Kotsaftis, 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 Diane M. Kotsaftis accept Medicare assignment?
Yes. Medicare's clinician data says Diane M. Kotsaftis 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 Diane M. Kotsaftis see?
In 2024, CMS data shows 122 Original Medicare patients and 364 services for Diane M. Kotsaftis. This counts Original Medicare only and measures volume, not quality.
What is Diane M. Kotsaftis's NPI number?
1043269483. 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 Diane M. Kotsaftis, 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 patients122
Services billed to Medicare364
Different services or procedures21
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)151 services
  2. Urinalysis, manual test (81002)56 services
  3. Ultrasound measurement of bladder capacity after voiding (51798)22 services
  4. Fitting and insertion of vaginal support device (57160)22 services
  5. Pessary, reusable, non rubber, any type (A4562)20 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 cholesterol70%
  • High blood pressure57%
  • Arthritis40%
  • Osteoporosis30%
  • Anxiety28%
  • Chronic kidney disease16%

Hospitals where Diane M. Kotsaftis works

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

Group practices

Medicare enrollment lists Diane M. Kotsaftis 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 year1964
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043269483
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