Quick answers
- Does Lily Arendt accept Medicare assignment?
- Yes. Medicare's clinician data says Lily Arendt 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 Lily Arendt see?
- In 2024, CMS data shows 60 Original Medicare patients and 124 services for Lily Arendt. This counts Original Medicare only and measures volume, not quality.
- What is Lily Arendt's NPI number?
- 1801470380. 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 Lily Arendt, 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 | 60 |
|---|---|
| Services billed to Medicare | 124 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)34 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)14 services
- Exam of visual field with extended testing (92083)11 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 pressure67%
- Arthritis43%
- Ischemic heart disease22%
- Osteoporosis22%
- Diabetes20%
Practice locations
Addresses where Lily Arendt is enrolled with Medicare (CMS data updated October 2, 2026).
- 9725 Datapoint DrSan Antonio, TX 78229 (210) 283‑6800
- 9725 Datapoint Dr, Box 69San Antonio, TX 78229
- 9725 Datapoint Dr, Suite 106San Antonio, TX 78229 (210) 615‑9358
Group practices
Medicare enrollment lists Lily Arendt as a member of these groups (CMS data updated October 2, 2026).
- University of the Incarnate Word25 clinicians in the group
- Refractive Surgery and Diagnostic Center PLLC11 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in University of the Incarnate Word
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Of Houston - College Of Optometry |
| Graduation year | 2021 (5 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801470380 |
| 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