Quick answers
- Does Jeffrey R. Grimes accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey R. Grimes 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 Jeffrey R. Grimes see?
- In 2024, CMS data shows 370 Original Medicare patients and 1,234 services for Jeffrey R. Grimes. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey R. Grimes's NPI number?
- 1346393253. 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 Jeffrey R. Grimes, 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 | 370 |
|---|---|
| Services billed to Medicare | 1,234 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Photography of the retina (92250)374 services
- Established patient complete exam of visual system (92014)345 services
- Imaging of retina (92134)157 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)104 services
- Photography of content of eyes (92285)62 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 cholesterol74%
- High blood pressure62%
- Arthritis42%
- Diabetes21%
- Ischemic heart disease20%
- Osteoporosis18%
Practice locations
Addresses where Jeffrey R. Grimes is enrolled with Medicare (CMS data updated October 2, 2026).
- 220 W 75th StKansas City, MO 64114
- 220 W 75th St, Littlefield Eye AssociatesKansas City, MO 64114 (816) 523‑8421
Group practices
Medicare enrollment lists Jeffrey R. Grimes as a member of this group (CMS data updated October 2, 2026).
- Littlefield Eye Associates LLC3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Kansas City
Clinicians with the same Medicare primary specialty in Kansas City, MO — not a recommendation.
Other clinicians in Littlefield Eye Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Of Missouri St Louis - School Of Optometry |
| Graduation year | 1997 (29 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346393253 |
| 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