Quick answers
- Does Hylton R. Mayer accept Medicare assignment?
- Yes. Medicare's clinician data says Hylton R. Mayer 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 Hylton R. Mayer see?
- In 2024, CMS data shows 828 Original Medicare patients and 3,211 services for Hylton R. Mayer. This counts Original Medicare only and measures volume, not quality.
- What is Hylton R. Mayer's NPI number?
- 1174568695. 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 Hylton R. Mayer, 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 | 828 |
|---|---|
| Services billed to Medicare | 3,211 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)607 services
- Measurement of corneal curvature and depth of eye (92136)411 services
- Removal of cataract with insertion of prosthetic lens (66984)389 services
- Imaging of optic nerve (92133)379 services
- Exam of visual field with extended testing (92083)332 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 pressure63%
- Arthritis39%
- Ischemic heart disease20%
- Osteoporosis19%
- Diabetes16%
Practice locations
Addresses where Hylton R. Mayer is enrolled with Medicare (CMS data updated October 2, 2026).
- 2 Wisconsin Cir, Suite 500Chevy Chase, MD 20815 (301) 215‑7100
- 8230 Boone Blvd, Suite 215Vienna, VA 22182 (703) 862‑7104
Group practices
Medicare enrollment lists Hylton R. Mayer as a member of this group (CMS data updated October 2, 2026).
- Eye Doctors of Washington PC15 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Chevy Chase
Clinicians with the same Medicare primary specialty in Chevy Chase, MD — not a recommendation.
Other clinicians in Eye Doctors of Washington PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Ohio |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174568695 |
| 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