Kristina H. Johnson, MD

Medicare activity in 2024

Official CMS public-use data for Kristina H. Johnson, 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. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)25 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)14 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 pressure70%
• Arthritis49%
• Anxiety37%
• Depression31%
• Diabetes27%

Hospitals where Kristina H. Johnson works

Medicare's Facility Affiliation Data lists Kristina H. Johnson 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.

• Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025
• Middlesex HospitalMiddletown, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070020

Practice locations

Addresses where Kristina H. Johnson is enrolled with Medicare (CMS data updated October 2, 2026).

• 85 Seymour St, Suite 425Hartford, CT 06106 (860) 548‑7336

Group practices

Medicare enrollment lists Kristina H. Johnson as a member of this group (CMS data updated October 2, 2026).

• Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group

Specialties

• Colorectal Surgery (Proctology)primary
• General Surgeryalso

Find other Colorectal Surgery (Proctology) doctors in Connecticut →

Other colorectal surgeons in Hartford

Clinicians with the same Medicare primary specialty in Hartford, CT — not a recommendation.

• Robert T. Lewis
• Kelly Tyler, MD
• Jeffrey L. Cohen, MD
• Andrew C. Raissis, MD
• Kristy T. Thurston, MD
• Michael J. Hernon, MD
• Rachel B. Scott, DO
• Kayla M. Bassett, MD

All colorectal surgeons in Hartford →

Other clinicians in Hartford Healthcare Medical Group Specialists PLLC

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

• Elizabeth A. Caffrey
• Stephen Scholand, MD
• Philip K. Nelson
• Araz Baboujian, MD
• Sanjay Mittal, MD
• Carolyn Coleridge, CSW

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