Quick answers
- Does Denisse A. Lopez De Chacon accept Medicare assignment?
- Yes. Medicare's clinician data says Denisse A. Lopez De Chacon 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 Denisse A. Lopez De Chacon see?
- In 2024, CMS data shows 165 Original Medicare patients and 200 services for Denisse A. Lopez De Chacon. This counts Original Medicare only and measures volume, not quality.
- What is Denisse A. Lopez De Chacon's NPI number?
- 1316398944. 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 Denisse A. Lopez De Chacon, 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 | 165 |
|---|---|
| Services billed to Medicare | 200 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)46 services
- Established patient problem focused exam of visual system (92012)36 services
- Established patient complete exam of visual system (92014)27 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 services
- New patient complete exam of visual system (92004)17 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%
- Diabetes53%
- Arthritis53%
- Chronic kidney disease38%
- Ischemic heart disease36%
Practice locations
Addresses where Denisse A. Lopez De Chacon is enrolled with Medicare (CMS data updated October 2, 2026).
- 1416 Palm BlvdBrownsville, TX 78520 (830) 333‑9421
- 1519 E 6th StWeslaco, TX 78596 (956) 968‑3171
- 189 S Shelby StRio Grande City, TX 78582 (956) 487‑7770
- 2224 Camelot Plaza CirHarlingen, TX 78550 (956) 507‑4500
- 4143 Crosspoint BlvdEdinburg, TX 78539 (956) 777‑7200
Group practices
Medicare enrollment lists Denisse A. Lopez De Chacon as a member of these groups (CMS data updated October 2, 2026).
- Thurmond Eye Associates PLLC11 clinicians in the group
- Wolf and Crane Investments PLLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Brownsville
Clinicians with the same Medicare primary specialty in Brownsville, TX — not a recommendation.
Other clinicians in Thurmond Eye Associates PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2016 (10 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316398944 |
| 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