Quick answers
- Does Jennifer Z. Chen accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer Z. Chen 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 Jennifer Z. Chen see?
- In 2024, CMS data shows 49 Original Medicare patients and 54 services for Jennifer Z. Chen. This counts Original Medicare only and measures volume, not quality.
- What is Jennifer Z. Chen's NPI number?
- 1750638789. 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 Jennifer Z. Chen, 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 | 49 |
|---|---|
| Services billed to Medicare | 54 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- New patient complete exam of visual system (92004)14 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)14 services
- Established patient complete exam of visual system (92014)13 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%
- Diabetes55%
- Arthritis47%
- Anxiety29%
Practice locations
Addresses where Jennifer Z. Chen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 121 W Whittier Blvd, Suite 100La Habra, CA 90631 (562) 694‑2500
- 12400 Bloomfield AveSanta Fe Springs, CA 90670 (562) 967‑2820
- 12675 La Mirada Blvd, Suite 201and401La Mirada, CA 90638 (562) 903‑7339
- 15082 Imperial HwyLa Mirada, CA 90638 (562) 967‑2805
- 15446 S Western AveGardena, CA 90249 (310) 217‑5300
Group practices
Medicare enrollment lists Jennifer Z. Chen as a member of these groups (CMS data updated October 2, 2026).
- Southern California Permanente Medical Group11,293 clinicians in the group
- PIH Health Physicians622 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in La Habra
Clinicians with the same Medicare primary specialty in La Habra, CA — not a recommendation.
Other clinicians in Southern California Permanente Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2012 (14 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750638789 |
| 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