Quick answers
- Does Carol R. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Carol R. Martin 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 Carol R. Martin see?
- In 2024, CMS data shows 152 Original Medicare patients and 659 services for Carol R. Martin. This counts Original Medicare only and measures volume, not quality.
- What is Carol R. Martin's NPI number?
- 1134347347. 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 Carol R. Martin, 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 | 152 |
|---|---|
| Services billed to Medicare | 659 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 84 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)377 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)125 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)73 services
- Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)18 services
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)17 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 blood pressure75%
- High cholesterol75%
- Arthritis59%
- Alzheimer's disease or dementia39%
- Chronic kidney disease37%
- Anxiety31%
Hospitals where Carol R. Martin works
Medicare's Facility Affiliation Data lists Carol R. Martin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Reston Hospital CenterReston, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490107
Practice locations
Addresses where Carol R. Martin is enrolled with Medicare (CMS data updated October 2, 2026).
- 12332 Towncenter Plz, Suite 611Sterling, VA 20164 (703) 947‑7377
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Sterling
Clinicians with the same Medicare primary specialty in Sterling, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134347347 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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