Eli Simon Tsou, MD
Family Medicine Physician · Baldwin Park, CA
Eli Simon Tsou, MD is a family medicine physician with a practice address in Baldwin Park, California, and NPI 1215008149, issued on Nov 13, 2006. Check the license (California A90831, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eli Simon Tsou
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A90831 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Phone
- (626) 851-1011
- Enumerated
- Nov 13, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081120000170); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1011 Baldwin Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eli Simon Tsou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A90831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average family medicine physician in 2024
6,196 Medicare Part D claims for 642 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 162 claims were for opioids.
Most prescribed
- Atorvastatin Calcium678 claims
- Losartan Potassium265 claims
- Amlodipine Besylate260 claims
- Lisinopril246 claims
- Metformin Hcl Er228 claims
- Lisinopril-Hydrochlorothiazide190 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
- Southern California Permanente Medical GroupWest Covina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eli Simon Tsou among 17,133 family medicine physician records in California
Eli Simon Tsou, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 family medicine physician records list a practice address in Baldwin Park
They are 75 of the 1,055 NPPES records with a practice address in Baldwin Park, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Baldwin Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Herman Carrillo, MDBaldwin Park, CA 917061881785814
- Heng Long Chhay, M.DBaldwin Park, CA 917061225021041
- David Dinwiddie, MDBaldwin Park, CA 917061679644587
- Susan Goldman, MDBaldwin Park, CA 917061417028499
- David Hernandez, MDBaldwin Park, CA 917061518038553
- Yu-Chien Kuo, MDBaldwin Park, CA 917061013000447
- Katherine Lehman-Schletewitz, MDBaldwin Park, CA 917061982775862
- Raymond Liang, MDBaldwin Park, CA 917061790856672
Common questions
What is Eli Simon Tsou, MD's NPI number?
Eli Simon Tsou, MD's National Provider Identifier (NPI) is 1215008149, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eli Simon Tsou, MD located?
The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (626) 851-1011. Providers update this record themselves, so call before visiting.
How can I verify Eli Simon Tsou, MD's license?
NPPES lists California license number A90831, 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 Eli Simon Tsou, MD prescribe under Medicare Part D?
In 2024, Eli Simon Tsou, MD had 6,196 Medicare Part D claims for 642 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.