Quick answers
- Does Allen J. Chin accept Medicare assignment?
- Yes. Medicare's clinician data says Allen J. Chin 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 Allen J. Chin see?
- In 2024, CMS data shows 104 Original Medicare patients and 172 services for Allen J. Chin. This counts Original Medicare only and measures volume, not quality.
- What is Allen J. Chin's NPI number?
- 1639129984. 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 Allen J. Chin, 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 | 104 |
|---|---|
| Services billed to Medicare | 172 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient complete exam of visual system (92014)54 services
- Photography of the retina (92250)36 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
- New patient complete exam of visual system (92004)14 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 pressure74%
- Arthritis38%
- Ischemic heart disease29%
- Diabetes27%
- Chronic kidney disease21%
Practice locations
Addresses where Allen J. Chin is enrolled with Medicare (CMS data updated October 2, 2026).
- 225 Cypresswood Dr, Suite CSpring, TX 77388 (346) 372‑7105
- 2730 Smith Ranch Rd, Suite 114Pearland, TX 77584 (713) 436‑4816
- 6910 Bellaire Blvd, Suite 3Houston, TX 77074 (713) 774‑1124
Group practices
Medicare enrollment lists Allen J. Chin as a member of these groups (CMS data updated October 2, 2026).
- Aeg Texas Professional PLLC229 clinicians in the group
- Eyedoc Vision Services, PLLC7 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Spring
Clinicians with the same Medicare primary specialty in Spring, TX — not a recommendation.
Other clinicians in Aeg Texas Professional PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2003 (23 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639129984 |
| 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