Registry data as of Aug 27, 2026

Lian Soung, M.D.

Internal Medicine Physician · Stockton, CA

Lian Soung, M.D. is an internal medicine physician with a practice address in Stockton, California, and NPI 1174510747, issued on Sep 29, 2005. Check the license (California A33597, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1174510747
Name
Lian Soung
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A33597 CA
Self-reported in NPPES; status is on the state search
Practice location
1610 N EL Dorado St, Stockton, CA 95204
Phone
(209) 465-5107
Enumerated
Sep 29, 2005
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.
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Also registered at 1610 N EL Dorado St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clifton Gibson, R.PH.Pharmacist1326051996
  2. Charles Green, R.PH.Pharmacist1720191828
  3. George Herron, M.D.Internal Medicine Physician1144217654
  4. Judy Mojica, DDSGeneral Practice Dentistry1588835334
  5. Frank Portale, D.D.S.General Practice Dentistry1770656639
  6. Jerry Soung, M.D.Internal Medicine Physician1154318764

Verify Lian Soung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A33597
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

7.0 times the Medicare Part D claims of the average internal medicine physician in 2024

19,557 Medicare Part D claims for 771 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 257 claims were for opioids.

  1. Lian Soung19,557
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium1,712 claims
  2. Metformin Hcl880 claims
  3. Amlodipine Besylate826 claims
  4. Lisinopril663 claims
  5. Levothyroxine Sodium584 claims
  6. Losartan Potassium421 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: $3,920.78

199 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lian Soung$3,920.78
  2. Specialty average$2,536.66

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

111 internal medicine physician records list a Stockton practice address

They are 111 of the 9,522 NPPES records with a Stockton practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Lian Soung, M.D.'s NPI number?

Lian Soung, M.D.'s National Provider Identifier (NPI) is 1174510747, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lian Soung, M.D. located?

The NPPES record lists a practice address at 1610 N EL Dorado St, Stockton, CA, 95204. Phone: (209) 465-5107. Providers update this record themselves, so call before visiting.

How can I verify Lian Soung, M.D.'s license?

NPPES lists California license number A33597, 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 Lian Soung, M.D. prescribe under Medicare Part D?

In 2024, Lian Soung, M.D. had 19,557 Medicare Part D claims for 771 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.