Floyd J. Barker Ii, DO

Medicare activity in 2024

Official CMS public-use data for Floyd J. Barker 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. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)344 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)223 services
3. Injection of drug or substance under skin or into muscle (96372)156 services
4. Insertion of needle into vein for collection of blood sample (36415)145 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)144 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 cholesterol62%
• Arthritis32%
• Anxiety29%
• Diabetes28%
• Ischemic heart disease24%

Hospitals where Floyd J. Barker Ii works

Medicare's Facility Affiliation Data lists Floyd J. Barker 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.

• Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 440063
• Johnson County Community HospitalMountain City, TN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 441304
• Sycamore Shoals HospitalElizabethton, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440018
• Watauga Medical CenterBoone, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340051

Practice locations

Addresses where Floyd J. Barker Ii is enrolled with Medicare (CMS data updated October 2, 2026).

• 132 W Main StMountain City, TN 37683 (423) 727‑4561

Specialties

• General Practiceprimary

Find other General Practice doctors in Tennessee →

Other general practitioners in Tennessee

Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.

• Keith A. Weaver, DO
• Ben D. Coffey, DO
• Jonathan Moore, MD
• Michael Guffey, MD
• Denise R. Dingle, MD
• Jung T. Park, MD
• Raymond W. Rhear, MD
• Robert B. Gaston Jr., MD

All general practitioners in Tennessee →

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