Quick answers
- Does Kathryn M. O Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Kathryn M. 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 Kathryn M. O Brien see?
- In 2024, CMS data shows 134 Original Medicare patients and 188 services for Kathryn M. O Brien. This counts Original Medicare only and measures volume, not quality.
- What is Kathryn M. O Brien's NPI number?
- 1477219343. 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 Kathryn M. 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 | 134 |
|---|---|
| Services billed to Medicare | 188 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement (27236)27 services
- Replacement of knee joint, both sides of knee (27447)21 services
- Treatment of broken neck of thigh bone with bone implant (27245)20 services
- Prosthetic repair of shoulder joint, total shoulder (23472)19 services
- Removal or relocation of biceps tendon (23440)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).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Ischemic heart disease40%
- Anxiety36%
- Depression31%
Hospitals where Kathryn M. O Brien works
Medicare's Facility Affiliation Data lists Kathryn M. 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.
- Virtua Mount Holly HospitalMount Holly, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310057
Practice locations
Addresses where Kathryn M. O Brien is enrolled with Medicare (CMS data updated October 2, 2026).
- 2059 Briggs Rd, Suite 304Mount Laurel, NJ 08054 (856) 235‑7080
Group practices
Medicare enrollment lists Kathryn M. O Brien as a member of this group (CMS data updated October 2, 2026).
- Burlington County Orthopaedic Specialists PA5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Mount Laurel
Clinicians with the same Medicare primary specialty in Mount Laurel, NJ — not a recommendation.
Other clinicians in Burlington County Orthopaedic Specialists PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477219343 |
| 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