Quick answers
- Does Stella V. Trosman accept Medicare assignment?
- Yes. Medicare's clinician data says Stella V. Trosman 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 Stella V. Trosman see?
- In 2024, CMS data shows 48 Original Medicare patients and 123 services for Stella V. Trosman. This counts Original Medicare only and measures volume, not quality.
- What is Stella V. Trosman's NPI number?
- 1992983688. 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 Stella V. Trosman, 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 | 48 |
|---|---|
| Services billed to Medicare | 123 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
- Telephone medical discussion with physician, 5-10 minutes (99441)14 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)11 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%
- Diabetes44%
- Arthritis35%
- Chronic kidney disease33%
- Heart failure29%
Practice locations
Addresses where Stella V. Trosman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1081 Long Beach Blvd, Suite BLong Beach, CA 90813 (562) 432‑5661
Group practices
Medicare enrollment lists Stella V. Trosman as a member of this group (CMS data updated October 2, 2026).
- Healthcare Partners Affiliates Medical Group754 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Long Beach
Clinicians with the same Medicare primary specialty in Long Beach, CA — not a recommendation.
Other clinicians in Healthcare Partners Affiliates Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992983688 |
| 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