Emery J. Johnston, MD

Medicare activity in 2024

Official CMS public-use data for Emery J. Johnston, 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)100 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)49 services
3. Emergency department visit with high level of medical decision making (99285)29 services
4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)21 services
5. Emergency department visit with moderate level of medical decision making (99284)18 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 cholesterol73%
• High blood pressure66%
• Arthritis51%
• Anxiety33%
• Depression30%
• Diabetes22%

Hospitals where Emery J. Johnston works

Medicare's Facility Affiliation Data lists Emery J. Johnston 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.

• Elliot HospitalManchester, NH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 300012

Practice locations

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

• 1 Elliot WayManchester, NH 03103
• 185 Queen City AveManchester, NH 03101
• 25 Leavey DrBedford, NH 03110
• 40 Butrrick RdLondonderry, NH 03053
• One Elliot Way, 100 Elliot Cardiovascular ConsultantsManchester, NH 03103 (603) 627‑1669

Group practices

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

• Elliot Professional Services427 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in New Hampshire →

Other emergency medicine doctors in Manchester

Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.

• Oliver Cardin, DO
• Gregory V. Hebert, MD
• Brett P. Simpson, MD
• James McKee Iv, DO
• Michael R. Thomas, MD
• James R. High, MD
• William Mosher, MD
• Jarrett Burns, DO

All emergency medicine doctors in Manchester →

Other clinicians in Elliot Professional Services

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

• Denise A. Jeffery, NP
• Rachel Gual
• Ricardo A. Gonzales, MD
• Jennifer A. Yergeau
• Colleen D. Jocson, MD
• Jacqueline Smola

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