Quick answers
- Does Barbara K. Welsh Osga accept Medicare assignment?
- Yes. Medicare's clinician data says Barbara K. Welsh Osga 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 Barbara K. Welsh Osga see?
- In 2024, CMS data shows 40 Original Medicare patients and 575 services for Barbara K. Welsh Osga. This counts Original Medicare only and measures volume, not quality.
- What is Barbara K. Welsh Osga's NPI number?
- 1801999065. 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 Barbara K. Welsh Osga, 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 | 575 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Psychotherapy, 1 hour (90837)572 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 cholesterol60%
- Arthritis58%
- Depression45%
- Anxiety45%
- High blood pressure38%
- Osteoporosis28%
Practice locations
Addresses where Barbara K. Welsh Osga is enrolled with Medicare (CMS data updated October 2, 2026).
- 3505 Camino Del Rio S, Suite 238San Diego, CA 92108 (619) 285‑9981
- 7636 Rowena StSan Diego, CA 92119
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Graduation year | 1981 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1801999065 |
| 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