Stella Trosman, M.D.
NPI 1992983688 · Internal Medicine Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stella Trosman, M.D. is a Internal Medicine Physician provider in Long Beach, CA (NPI 1992983688).
Provider details
- NPI number
- 1992983688
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A100062 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
79 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $139 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 14 | $62 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 11 | $62 |
Typical Medicare-allowed amounts for these services range $62–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 88 | 58 |
| Metformin Hcl | 64 | 32 |
| Amlodipine Besylate | 62 | 38 |
| Gabapentin | 60 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 44 | 29 |
| Lisinopril | 41 | 21 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-05
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Stella Trosman's NPI number?
- Stella Trosman's National Provider Identifier (NPI) is 1992983688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stella Trosman's specialty?
- Stella Trosman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stella Trosman located?
- Stella Trosman's practice location on file with NPPES is 1081 Long Beach Blvd, Long Beach, CA 90813-3217.
- What is Stella Trosman's phone number?
- The practice phone number listed in the NPPES registry for Stella Trosman is (562) 432-5661.
- Does Stella Trosman accept Medicare?
- Stella Trosman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stella Trosman's NPI active?
- Yes — Stella Trosman's NPI (1992983688) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.