Quick answers
- Does Carolyn Kelly accept Medicare assignment?
- Yes. Medicare's clinician data says Carolyn Kelly 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 Carolyn Kelly see?
- In 2024, CMS data shows 50 Original Medicare patients and 16,641 services for Carolyn Kelly. This counts Original Medicare only and measures volume, not quality.
- What is Carolyn Kelly's NPI number?
- 1639283286. 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 Carolyn Kelly, 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 | 50 |
|---|---|
| Services billed to Medicare | 16,641 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, inclisiran, 1 mg (J1306)5,964 services
- Injection, denosumab, 1 mg (J0897)1,200 services
- Injection of drug or substance under skin or into muscle (96372)59 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%
- Osteoporosis54%
- Arthritis50%
- Ischemic heart disease34%
- Atrial fibrillation26%
Hospitals where Carolyn Kelly works
Medicare's Facility Affiliation Data lists Carolyn Kelly 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.
- Kaiser Foundation Hospital - San DiegoSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050515
Practice locations
Addresses where Carolyn Kelly is enrolled with Medicare (CMS data updated October 2, 2026).
- 2220 Lynn Rd, Suite 301Thousand Oaks, CA 91360 (805) 495‑1073
- 24640 Jefferson Ave, Suite 208Murrieta, CA 92562 (951) 395‑5457
- 400 Craven RdSan Marcos, CA 92078 (619) 528‑5000
Group practices
Medicare enrollment lists Carolyn Kelly as a member of these groups (CMS data updated October 2, 2026).
- Southern California Permanente Medical Group11,293 clinicians in the group
- Metro Infectious Disease Consultants LLC389 clinicians in the group
- Mark H Mazur MD and Barry Statner MD a Professional Corporation15 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Other clinicians in Southern California Permanente Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639283286 |
| 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