Quick answers
- Does Riya R. Philip accept Medicare assignment?
- Medicare's clinician data says Riya R. Philip may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Riya R. Philip see?
- In 2024, CMS data shows 171 Original Medicare patients and 806 services for Riya R. Philip. This counts Original Medicare only and measures volume, not quality.
- What is Riya R. Philip's NPI number?
- 1295402725. 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 Riya R. Philip, 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 | 171 |
|---|---|
| Services billed to Medicare | 806 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)117 services
- Established patient complete exam of visual system (92014)51 services
- Imaging of optic nerve (92133)41 services
- Imaging of retina (92134)41 services
- Exam of visual field with extended testing (92083)38 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 pressure68%
- Arthritis37%
- Diabetes27%
- Ischemic heart disease22%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%
Practice locations
Addresses where Riya R. Philip is enrolled with Medicare (CMS data updated October 2, 2026).
- 4901 Forest Park Ave, Fl 6Saint Louis, MO 63108 (314) 362‑3937
- 534 N Rand RdLake Zurich, IL 60047 (847) 550‑5228
- 661 N Lake StGrayslake, IL 60030 (847) 223‑7600
- 735 Main StAntioch, IL 60002 (847) 395‑8885
Group practices
Medicare enrollment lists Riya R. Philip as a member of these groups (CMS data updated October 2, 2026).
- Washington University3,029 clinicians in the group
- Grayslake Eyecare Assoc Ltd3 clinicians in the group
- SKK Optometrists PLLC3 clinicians in the group
- Antioch Eyecare LLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Washington University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 2021 (5 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1295402725 |
| 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