Quick answers
- Does Kimberly A. Riordan accept Medicare assignment?
- Yes. Medicare's clinician data says Kimberly A. Riordan 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 Kimberly A. Riordan see?
- In 2024, CMS data shows 979 Original Medicare patients and 3,769 services for Kimberly A. Riordan. This counts Original Medicare only and measures volume, not quality.
- What is Kimberly A. Riordan's NPI number?
- 1427286228. 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 Kimberly A. Riordan, 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 | 979 |
|---|---|
| Services billed to Medicare | 3,769 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,123 services
- Analysis of substance using immunoassay technique, multiple step method (83516)428 services
- Microfluid analysis of tears (83861)404 services
- Established patient complete exam of visual system (92014)382 services
- Near infrared dual imaging of tear glands with interpretation and report (0507T)197 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 pressure70%
- Arthritis56%
- Ischemic heart disease31%
- Anxiety25%
- Depression23%
Practice locations
Addresses where Kimberly A. Riordan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1325 San Marco Blvd, Suite 900Jacksonville, FL 32207 (904) 346‑3506
Group practices
Medicare enrollment lists Kimberly A. Riordan as a member of this group (CMS data updated October 2, 2026).
- North Florida Surgeons, PA342 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, FL — not a recommendation.
Other clinicians in North Florida Surgeons, PA
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 | 2009 (17 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427286228 |
| 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