Quick answers
- Does James D. Lehmann Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James D. Lehmann Jr. 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 James D. Lehmann Jr. see?
- In 2024, CMS data shows 845 Original Medicare patients and 3,535 services for James D. Lehmann Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James D. Lehmann Jr.'s NPI number?
- 1861432114. 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 James D. Lehmann Jr., 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 | 845 |
|---|---|
| Services billed to Medicare | 3,535 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Measurement of corneal curvature and depth of eye (92136)854 services
- Removal of cataract with insertion of prosthetic lens (66984)641 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)410 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)379 services
- Removal of recurring cataract in lens capsule using a laser (66821)260 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 pressure71%
- Arthritis44%
- Diabetes28%
- Ischemic heart disease28%
- Chronic kidney disease21%
Practice locations
Addresses where James D. Lehmann Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 17005 Ih 35Schertz, TX 78154 (210) 614‑3600
- 343 W SunsetSan Antonio, TX 78209 (210) 614‑3600
- 4775 Hamilton Wolfe, Bldg 2San Antonio, TX 78229 (210) 614‑3600
- 4775 Hamilton Wolfe Bldg, Suite 2San Antonio, TX 78229
Group practices
Medicare enrollment lists James D. Lehmann Jr. as a member of this group (CMS data updated October 2, 2026).
- Snip and Ference, PA6 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Snip and Ference, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861432114 |
| 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