Quick answers
- Does Amy S. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Amy S. 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 Amy S. Johnson see?
- In 2024, CMS data shows 460 Original Medicare patients and 1,116 services for Amy S. Johnson. This counts Original Medicare only and measures volume, not quality.
- What is Amy S. Johnson's NPI number?
- 1598145450. 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 Amy S. 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 | 460 |
|---|---|
| Services billed to Medicare | 1,116 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient problem focused exam of visual system (92012)250 services
- Established patient complete exam of visual system (92014)237 services
- Imaging of retina (92134)102 services
- Imaging of optic nerve (92133)92 services
- Measurement of corneal curvature and depth of eye (92136)74 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 pressure63%
- Arthritis41%
- Ischemic heart disease21%
- Diabetes20%
- Atrial fibrillation17%
Hospitals where Amy S. Johnson works
Medicare's Facility Affiliation Data lists Amy S. 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.
- Cookeville Regional Medical CenterCookeville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440059
Practice locations
Addresses where Amy S. Johnson is enrolled with Medicare (CMS data updated October 2, 2026).
- 999 Guardian WayCookeville, TN 38506 (931) 650‑4100
Group practices
Medicare enrollment lists Amy S. Johnson as a member of this group (CMS data updated October 2, 2026).
- Eye Centers of Tennessee, LLC19 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Cookeville
Clinicians with the same Medicare primary specialty in Cookeville, TN — not a recommendation.
Other clinicians in Eye Centers of Tennessee, LLC
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 | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598145450 |
| 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