NPPES file of Aug 9, 2026

Stella Trosman, M.D.

Internal Medicine Physician · Long Beach, CA

Stella Trosman, M.D. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1992983688, issued on Feb 5, 2008. Check the license (California A100062, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992983688
Name
Stella Trosman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A100062 CA
Self-reported in NPPES; status is on the state search
Practice location
1081 Long Beach Blvd, Long Beach, CA 90813
Phone
(562) 432-5661
Enumerated
Feb 5, 2008
Record last updated
Jan 13, 2026
Medicare enrollment
Enrolled (PECOS I20101029000961); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2005
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Stella Trosman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A100062
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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46% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,709 Medicare Part D claims for 329 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 58 claims were for opioids.

  1. Stella Trosman1,709
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium88 claims
  2. Metformin Hcl64 claims
  3. Amlodipine Besylate62 claims
  4. Gabapentin60 claims
  5. Albuterol Sulfate Hfa44 claims
  6. Lisinopril41 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Healthcare Partners Affiliates Medical GroupLong Beach, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stella Trosman among 17,696 internal medicine physician records in California

Stella Trosman, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2005 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

221 internal medicine physician records list a practice address in Long Beach

They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Katya Corado, M.D.Long Beach, CA 908131013109461
  2. Jasminka CrileyLong Beach, CA 908131174535017
  3. Peter Ferrera, M.D.Long Beach, CA 908131366481384
  4. Brian Hugh, D.O.Long Beach, CA 908131811013857
  5. John Kassabian, M.D.Long Beach, CA 908131932207768
  6. Tom Ky, M.D.Long Beach, CA 908131558397869
  7. Thomas McCloy, MDLong Beach, CA 908131568476513
  8. Minh Nguyen, MDLong Beach, CA 908131922160613

Common questions

What is Stella Trosman, M.D.'s NPI number?

Stella Trosman, M.D.'s National Provider Identifier (NPI) is 1992983688, issued on Feb 5, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Stella Trosman, M.D. located?

The NPPES record lists a practice address at 1081 Long Beach Blvd, Long Beach, CA, 90813. Phone: (562) 432-5661. Providers update this record themselves, so call before visiting.

How can I verify Stella Trosman, M.D.'s license?

NPPES lists California license number A100062, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stella Trosman, M.D. prescribe under Medicare Part D?

In 2024, Stella Trosman, M.D. had 1,709 Medicare Part D claims for 329 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.