Quick answers
- Does Calvin McNelly accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin McNelly 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 Calvin McNelly see?
- In 2024, CMS data shows 88 Original Medicare patients and 219 services for Calvin McNelly. This counts Original Medicare only and measures volume, not quality.
- What is Calvin McNelly's NPI number?
- 1124656640. 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 Calvin McNelly, 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 | 88 |
|---|---|
| Services billed to Medicare | 219 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)35 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)16 services
- Imaging of retina (92134)12 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 cholesterol75%
- Arthritis50%
- Diabetes42%
- Chronic kidney disease30%
- Osteoporosis28%
Practice locations
Addresses where Calvin McNelly is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 Common DrEl Paso, TX 79936 (915) 595‑4375
- 2030 S Solano DrLas Cruces, NM 88001 (575) 521‑1158
- 2301 Saturn CirLas Cruces, NM 88012 (915) 267‑2020
- 9235 Dyer StEl Paso, TX 79924 (915) 267‑2020
Group practices
Medicare enrollment lists Calvin McNelly as a member of these groups (CMS data updated October 2, 2026).
- Southwestern Eye Center Ltd116 clinicians in the group
- Marc Ellman, M.D., P.A.16 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in El Paso
Clinicians with the same Medicare primary specialty in El Paso, TX — not a recommendation.
Other clinicians in Southwestern Eye Center Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124656640 |
| 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
- 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