Quick answers
- Does Tonica V. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Tonica V. 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 Tonica V. Johnson see?
- In 2024, CMS data shows 250 Original Medicare patients and 813 services for Tonica V. Johnson. This counts Original Medicare only and measures volume, not quality.
- What is Tonica V. Johnson's NPI number?
- 1235177114. 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 Tonica V. 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 | 250 |
|---|---|
| Services billed to Medicare | 813 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)242 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)199 services
- Measurement of corneal curvature and depth of eye (92136)74 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)72 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)66 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 cholesterol74%
- Arthritis37%
- Diabetes31%
- Chronic kidney disease26%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
Hospitals where Tonica V. Johnson works
Medicare's Facility Affiliation Data lists Tonica V. 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.
- North Carolina Specialty HospitalDurham, NC · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 340049
Practice locations
Addresses where Tonica V. Johnson is enrolled with Medicare (CMS data updated October 2, 2026).
- 3702 Durham Rd, Suite BRoxboro, NC 27573 (919) 999‑6093
- 3811 N Roxboro St, Suite ADurham, NC 27704 (919) 999‑6093
- 3916 Ben Franklin BlvdDurham, NC 27704 (919) 999‑6093
Specialties
- Ophthalmologyprimary
Other ophthalmologists in North Carolina
Clinicians with the same Medicare primary specialty in North Carolina — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235177114 |
| 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