Elizaveta Ragulin Coyne, MD

Medicare activity in 2024

Official CMS public-use data for Elizaveta Ragulin Coyne, 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.

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)66 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)50 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)46 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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 cholesterol66%
• High blood pressure61%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)50%
• Arthritis38%
• Anxiety29%
• Depression27%

Hospitals where Elizaveta Ragulin Coyne works

Medicare's Facility Affiliation Data lists Elizaveta Ragulin Coyne 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 Elizaveta Ragulin Coyne is enrolled with Medicare (CMS data updated October 2, 2026).

• 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑3020

Group practices

Medicare enrollment lists Elizaveta Ragulin Coyne as a member of this group (CMS data updated October 2, 2026).

• Emerson Practice Associates, Inc240 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Concord

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

• Laura M. Doyon, MD
• Atif Khan, MD
• Ting Yu Xu, MD
• Thomas A. Scalfarotto, DO
• David B. Lautz, MD
• Alexandra B. Columbus, MD

All general surgeons in Concord →

Other clinicians in Emerson Practice Associates, Inc

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

• Laura M. Doyon, MD
• Scott C. McDonald, DO
• Heidi Doreau
• Atif Khan, MD
• Kristie N. La Monica, PA
• John G. Dowd, DO

Clinician information

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