Quick answers
- Does Colleen A. Joseph accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen A. Joseph 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 Colleen A. Joseph see?
- In 2024, CMS data shows 1,197 Original Medicare patients and 2,634 services for Colleen A. Joseph. This counts Original Medicare only and measures volume, not quality.
- What is Colleen A. Joseph's NPI number?
- 1790874063. 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 Colleen A. Joseph, 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 | 1,197 |
|---|---|
| Services billed to Medicare | 2,634 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient complete exam of visual system (92014)826 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)714 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)240 services
- Imaging of optic nerve (92133)195 services
- Measurement of corneal curvature and depth of eye (92136)141 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 pressure66%
- Arthritis42%
- Ischemic heart disease22%
- Osteoporosis21%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%
Practice locations
Addresses where Colleen A. Joseph is enrolled with Medicare (CMS data updated October 2, 2026).
- 6845 Elm St, Suite 250Mc Lean, VA 22101 (703) 356‑5484
Group practices
Medicare enrollment lists Colleen A. Joseph as a member of this group (CMS data updated October 2, 2026).
- Chesapeake Eye Care and Laser Center LLC80 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Mc Lean
Clinicians with the same Medicare primary specialty in Mc Lean, VA — not a recommendation.
Other clinicians in Chesapeake Eye Care and Laser Center LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790874063 |
| 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