Earl Tso, M.D.
Internal Medicine Physician · Los Angeles, CA
Earl Tso, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1831121474, issued on Jul 6, 2006. Check the license (California G069506, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Earl Tso
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G069506 CA
Self-reported in NPPES; status is on the state search - Practice location
- 351 E Temple St, Los Angeles, CA 90012
- Phone
- (213) 253-2677
- Enumerated
- Jul 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 351 E Temple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Huong Ai, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1265534390
- Maral Anjargolian, R. PH.Pharmacist1841398070
- Sergio Antoniuk, MSW, MPASocial Worker1104939917
- Andrew BaeFamily Nurse Practitioner1841983483
- David BaekRegistered Nurse1861028052
- Joetta Brown-Higgins, MSWClinical Social Worker1154348159
Verify Earl Tso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G069506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
413 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Losartan Potassium32 claims
- Amlodipine Besylate31 claims
- Atorvastatin Calcium29 claims
- Biktarvy25 claims
- Juluca24 claims
- Tamsulosin Hcl20 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: $107.92
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Earl Tso among 17,696 internal medicine physician records in California
Earl Tso, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Chu, M.D.Los Angeles, CA 900121619052628
- Ting-Lin Kao, M.D.Los Angeles, CA 900121508881137
- Youjong Ko, MDLos Angeles, CA 900121508934027
- Sandra Lee, M.D.Los Angeles, CA 900121457379786
- George Ma, M.D.Los Angeles, CA 900121528178332
- Meera Modi, M.D.Los Angeles, CA 900121023024916
- Chung Ng, M.D.Los Angeles, CA 900121285708651
- Huan Nguyen, M.D.Los Angeles, CA 900121841224474
Common questions
What is Earl Tso, M.D.'s NPI number?
Earl Tso, M.D.'s National Provider Identifier (NPI) is 1831121474, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Earl Tso, M.D. located?
The NPPES record lists a practice address at 351 E Temple St, Los Angeles, CA, 90012. Phone: (213) 253-2677. Providers update this record themselves, so call before visiting.
How can I verify Earl Tso, M.D.'s license?
NPPES lists California license number G069506, 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 Earl Tso, M.D. prescribe under Medicare Part D?
In 2024, Earl Tso, M.D. had 413 Medicare Part D claims; 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.