Quick answers
- Does Charles F. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Charles F. Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Charles F. Johnson see?
- In 2024, CMS data shows 58 Original Medicare patients and 112 services for Charles F. Johnson. This counts Original Medicare only and measures volume, not quality.
- What is Charles F. Johnson's NPI number?
- 1902132988. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Charles F. 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.
| Original Medicare patients | 58 |
|---|---|
| Services billed to Medicare | 112 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)29 services
- Hospital discharge day management, 30 minutes or less (99238)20 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 cholesterol59%
- Arthritis50%
- Depression36%
- Anxiety34%
- Atrial fibrillation34%
Hospitals where Charles F. Johnson works
Medicare's Facility Affiliation Data lists Charles F. 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.
- Ascension ProvidenceWaco, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450042
- Coryell Memorial HospitalGatesville, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451379
- Hamilton General HospitalHamilton, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451392
Practice locations
Addresses where Charles F. Johnson is enrolled with Medicare (CMS data updated October 2, 2026).
- 303 N BrownHamilton, TX 76531 (254) 386‑3102
- 400 N Brown StHamilton, TX 76531 (254) 386‑1600
Group practices
Medicare enrollment lists Charles F. Johnson as a member of these groups (CMS data updated October 2, 2026).
- Hamilton County Hospital District22 clinicians in the group
- Family Practice Associates of Hamilton Co PA8 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Hamilton
Clinicians with the same Medicare primary specialty in Hamilton, TX — not a recommendation.
Other clinicians in Hamilton County Hospital District
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas A & M University System, Hsc, College Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902132988 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians