Quick answers
- Does Stacy R. Cohen-Barrera accept Medicare assignment?
- Yes. Medicare's clinician data says Stacy R. Cohen-Barrera 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 Stacy R. Cohen-Barrera see?
- In 2024, CMS data shows 86 Original Medicare patients and 160 services for Stacy R. Cohen-Barrera. This counts Original Medicare only and measures volume, not quality.
- What is Stacy R. Cohen-Barrera's NPI number?
- 1689615361. 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 Stacy R. Cohen-Barrera, 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 | 86 |
|---|---|
| Services billed to Medicare | 160 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)26 services
- Automated urinalysis test (81003)14 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)12 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 cholesterol72%
- High blood pressure67%
- Arthritis42%
- Diabetes30%
- Chronic kidney disease24%
- COPD23%
Practice locations
Addresses where Stacy R. Cohen-Barrera is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 14443 Culver Dr, 14443 AIrvine, CA 92604 (949) 767‑8173
- 1511 E Katella AveOrange, CA 92867 (844) 254‑6382
- 20635 Yorba Linda BlvdYorba Linda, CA 92886 (844) 254‑6382
- 25461 Rancho Niguel RdLaguna Niguel, CA 92677 (844) 254‑6382
- 29100 Portola Pkwy, Suite BLake Forest, CA 92630 (844) 254‑6382
Group practices
Medicare enrollment lists Stacy R. Cohen-Barrera as a member of these groups (CMS data updated October 2, 2026).
- Carbon Health Medical Group of California PC334 clinicians in the group
- Portola Medical Services PC22 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Other clinicians in Carbon Health Medical Group of California PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689615361 |
| 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