Quick answers
- Does Elizabeth O Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth O Brien 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 Elizabeth O Brien see?
- In 2024, CMS data shows 174 Original Medicare patients and 574 services for Elizabeth O Brien. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth O Brien's NPI number?
- 1689641573. 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 Elizabeth O Brien, 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 | 174 |
|---|---|
| Services billed to Medicare | 574 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)230 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)97 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)29 services
- Dxa bone density measurement of hip, pelvis, spine (77080)16 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).
- Arthritis75%
- High blood pressure74%
- High cholesterol67%
- Osteoporosis41%
- Diabetes32%
- Ischemic heart disease29%
Hospitals where Elizabeth O Brien works
Medicare's Facility Affiliation Data lists Elizabeth O Brien 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.
- Carolinas Medical Center-NortheastConcord, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340001
- Carolinas Medical Center/Behavioral HealthCharlotte, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340113
- Stanly Regional Medical CenterAlbemarle, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340119
Practice locations
Addresses where Elizabeth O Brien is enrolled with Medicare (CMS data updated October 2, 2026).
- 14214 Ballantyne Lake RdCharlotte, NC 28277
- 200 Medical Park DrConcord, NC 28025
- 920 Church St NConcord, NC 28025 (704) 403‑3000
Group practices
Medicare enrollment lists Elizabeth O Brien as a member of this group (CMS data updated October 2, 2026).
- Carolinas Physicians Network Inc2,325 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Charlotte
Clinicians with the same Medicare primary specialty in Charlotte, NC — not a recommendation.
Other clinicians in Carolinas Physicians Network Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Of North Carolina At Chapel Hill School Of Medicine |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689641573 |
| 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