Quick answers
- Does Janice Lynn V. Tamayo accept Medicare assignment?
- Yes. Medicare's clinician data says Janice Lynn V. Tamayo 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 Janice Lynn V. Tamayo see?
- In 2024, CMS data shows 40 Original Medicare patients and 108 services for Janice Lynn V. Tamayo. This counts Original Medicare only and measures volume, not quality.
- What is Janice Lynn V. Tamayo's NPI number?
- 1255845525. 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 Janice Lynn V. Tamayo, 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 | 40 |
|---|---|
| Services billed to Medicare | 108 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
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 pressure65%
- Arthritis40%
- Diabetes33%
Practice locations
Addresses where Janice Lynn V. Tamayo is enrolled with Medicare (CMS data updated October 2, 2026).
- 26932 Oso Pkwy, Suite 270Mission Viejo, CA 92691 (714) 313‑9668
- 921 Pacific Coast HwySeal Beach, CA 90740 (866) 389‑2727
Group practices
Medicare enrollment lists Janice Lynn V. Tamayo as a member of these groups (CMS data updated October 2, 2026).
- Minuteclinic Diagnostic Medical Group of Orange County Inc29 clinicians in the group
- Array Skin Therapy a Medical Corporation10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Mission Viejo
Clinicians with the same Medicare primary specialty in Mission Viejo, CA — not a recommendation.
Other clinicians in Minuteclinic Diagnostic Medical Group of Orange County Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255845525 |
| 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