NPPES file of Aug 9, 2026

Tran To Ly, M.D.

Endocrinology, Diabetes & Metabolism Physician · Compton, CA

Tran To Ly, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Compton, California, and NPI 1649422924, issued on Oct 16, 2008. Check the license (California A111660, 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
1649422924
Name
Tran To Ly
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A111660 CA
Self-reported in NPPES; status is on the state search
Practice location
2251 W Rosecrans Ave, Compton, CA 90222
Phone
(424) 529-6755
Enumerated
Oct 16, 2008
Record last updated
Sep 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Tran To Ly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A111660
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

23% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,034 Medicare Part D claims for 223 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. Tran Ly2,034
  2. Specialty average2,630

Most prescribed

  1. Ozempic302 claims
  2. Levothyroxine Sodium193 claims
  3. Januvia143 claims
  4. Pioglitazone Hcl120 claims
  5. Metformin Hcl Er110 claims
  6. Lantus Solostar94 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.

Industry payments in 2024: $39.96

1 payment: long term medical supply or device loan; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tran Ly$39.96
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Tran To Ly among 1,131 endocrinology, diabetes & metabolism physician records in California

Tran To Ly, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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 58% of them.

  • NPI issued2008 · 58% of these records are older, 36% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2020 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Neil Goldberg, M.D.Culver City, CA 902321780722181
  2. Reza Nazemi, M.D.Beverly Hills, CA 902121114943933
  3. David Aftergood, MDBeverly Hills, CA 902111639259328
  4. Dina Block, M.D.Beverly Hills, CA 902111497996318
  5. Sophie Cannon, MDBeverly Hills, CA 902111538658273
  6. Sanaa Deshmukh, MDBeverly Hills, CA 902111396057147
  7. Oona Khan, M.D.Beverly Hills, CA 902111023020286
  8. Natasha Malkani, MDBeverly Hills, CA 902111366963472

Common questions

What is Tran To Ly, M.D.'s NPI number?

Tran To Ly, M.D.'s National Provider Identifier (NPI) is 1649422924, issued on Oct 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tran To Ly, M.D. located?

The NPPES record lists a practice address at 2251 W Rosecrans Ave, Compton, CA, 90222. Phone: (424) 529-6755. Providers update this record themselves, so call before visiting.

How can I verify Tran To Ly, M.D.'s license?

NPPES lists California license number A111660, 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 Tran To Ly, M.D. prescribe under Medicare Part D?

In 2024, Tran To Ly, M.D. had 2,034 Medicare Part D claims for 223 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.