NPPES file of Aug 9, 2026

Tzong-Yueh Hwang, M.D.

Geriatric Medicine (Internal Medicine) Physician · Artesia, CA

Tzong-Yueh Hwang, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Artesia, California, and NPI 1851325211, issued on Jul 10, 2006. Check the license (California A48093, 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
1851325211
Name
Tzong-Yueh Hwang
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A48093 CA
Self-reported in NPPES; status is on the state search
Practice location
12146 South St, Artesia, CA 90701
Phone
(562) 809-0288
Enumerated
Jul 10, 2006
Record last updated
Sep 11, 2025
Fax
(562) 403-2377
Medicaid ID
00A480930 CA
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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8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 12146 South St

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

  1. Sarah Cupino, D.D.S.Dentist1679627095

Verify Tzong-Yueh Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A48093    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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100% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

17 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Tzong-Yueh Hwang17
  2. Specialty average4,246

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.

Tzong-Yueh Hwang among 532 geriatric medicine (internal medicine) physician records in California

Tzong-Yueh Hwang, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2025 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

All 532 in California → Every provider in Artesia → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Dat Vo, MDBellflower, CA 907061497822407
  2. Maurice Turner, MDHarbor City, CA 907101336778877
  3. Jacquelyn Vander Wall, M.D.Los Alamitos, CA 907201699807792
  4. Jocelyn Sumcad, M.D.Paramount, CA 907231386732816
  5. Ellen Dayon, MDSeal Beach, CA 907401043279359
  6. Prakash Narain, MDSeal Beach, CA 907401699777292
  7. Mary Sherman, MDSeal Beach, CA 907401083674709
  8. Prode Pascual, M.DNorwalk, CA 906501558454595

Common questions

What is Tzong-Yueh Hwang, M.D.'s NPI number?

Tzong-Yueh Hwang, M.D.'s National Provider Identifier (NPI) is 1851325211, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tzong-Yueh Hwang, M.D. located?

The NPPES record lists a practice address at 12146 South St, Artesia, CA, 90701. Phone: (562) 809-0288. Providers update this record themselves, so call before visiting.

How can I verify Tzong-Yueh Hwang, M.D.'s license?

NPPES lists California license number A48093, 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 Tzong-Yueh Hwang, M.D. prescribe under Medicare Part D?

In 2024, Tzong-Yueh Hwang, M.D. had 17 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.