Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Kay L. Kim, MD

Works at hospitals in W Concord, MA · Massachusetts

Summary

Dr. Kay L. Kim, MD is a cardiologist at 133 Old Rd To 9 Acre Cor, Concord, MA 01742. Phone: (978) 287-3020. Accepts Medicare assignment. In 2024, Kay L. Kim had 151 Original Medicare patients and 451 services. NPI 1578606968. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 133 Old Rd To 9 Acre Cor, Concord, MA 01742 · Directions
  • Phone: (978) 287‑3020
  • Medicare: Accepts Medicare assignment
  • Hospital: Emerson Hospital -
  • Group practice: Emerson Practice Associates, Inc
  • Medical school: Boston University School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Kay L. Kim, 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 Kay L. Kim accept Medicare assignment?
Yes. Medicare's clinician data says Kay L. Kim 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 Kay L. Kim see?
In 2024, CMS data shows 151 Original Medicare patients and 451 services for Kay L. Kim. This counts Original Medicare only and measures volume, not quality.
What is Kay L. Kim's NPI number?
1578606968. 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 Kay L. Kim, 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 patients151
Services billed to Medicare451
Different services or procedures21
Participating Medicare providerYes
Average age of these patients77

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)106 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)90 services
  3. Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)61 services
  4. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)57 services
  5. Heart rhythm review and interpretation of continous external ekg over 8-15 days (93248)29 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 blood pressure75%
  • High cholesterol75%
  • Arthritis49%
  • Atrial fibrillation45%
  • Ischemic heart disease31%
  • Anxiety27%

Hospitals where Kay L. Kim works

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

Group practices

Medicare enrollment lists Kay L. Kim as a member of this group (CMS data updated October 2, 2026).

  • Emerson Practice Associates, Inc240 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →

Other cardiologists in Concord

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

All cardiologists in Concord →

Other clinicians in Emerson Practice Associates, Inc

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

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1578606968
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