John T. Campbell Ii, MD

Medicare activity in 2024

Official CMS public-use data for John T. Campbell Ii, 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 moderate level of decision making, if using time, 30 minutes or more (99214)322 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)249 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)162 services
4. Detection test by immunoassay with direct visual observation for influenza virus (87804)75 services
5. Urinalysis, manual test (81002)64 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 pressure57%
• Arthritis44%
• Anxiety21%
• Ischemic heart disease19%
• Diabetes17%

Hospitals where John T. Campbell Ii works

Medicare's Facility Affiliation Data lists John T. Campbell Ii 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.

• AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060125

Practice locations

Addresses where John T. Campbell Ii is enrolled with Medicare (CMS data updated October 2, 2026).

• 4386 Trail Boss DrCastle Rock, CO 80104 (303) 688‑8666

Group practices

Medicare enrollment lists John T. Campbell Ii as a member of this group (CMS data updated October 2, 2026).

• KC Medical PC2 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Colorado →

Other family doctors in Castle Rock

Clinicians with the same Medicare primary specialty in Castle Rock, CO — not a recommendation.

• Mary E. Pressler, MD
• Nicholas Heter, DO
• Chad E. Boekes, MD
• Sarah G. Parkin, DO
• Mark O. Robinson, DO
• Doris A. Kleinert, MD
• Grant H. Thomas, DO
• Amity H. Onders, MD

All family doctors in Castle Rock →

Other clinicians in KC Medical PC

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

• Doris A. Kleinert, MD

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