Quick answers
- Does Donald D. Derryberry Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Donald D. Derryberry 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 Donald D. Derryberry Jr. see?
- In 2024, CMS data shows 94 Original Medicare patients and 626 services for Donald D. Derryberry Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Donald D. Derryberry Jr.'s NPI number?
- 1194722082. 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 Donald D. Derryberry 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 | 94 |
|---|---|
| Services billed to Medicare | 626 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient complete exam of visual system (92014)189 services
- Photography of content of eyes (92285)174 services
- Photography of the retina (92250)107 services
- Exam of visual field with extended testing (92083)99 services
- Ct scan of cornea (92025)24 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 pressure61%
- Arthritis49%
- Ischemic heart disease26%
- Anxiety20%
- Diabetes15%
Practice locations
Addresses where Donald D. Derryberry Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 18170 Dallas Pkwy, Suite 402Dallas, TX 75287 (972) 931‑2020
Specialties
- Optometryprimary
Other optometrists in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Of Houston - College Of Optometry |
| Graduation year | 1991 (35 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194722082 |
| 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