Tom Steven Chen
Internal Medicine Physician · Encino, CA
Tom Steven Chen is an internal medicine physician with a practice address in Encino, California, and NPI 1215514260, issued on Mar 25, 2021. Check the license (California A206395, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tom Steven Chen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A206395 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15503 Ventura Blvd Ste 340, Encino, CA 91436
- Phone
- (818) 467-8148
- Enumerated
- Mar 25, 2021
- Record last updated
- Feb 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20260116002848); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 15503 Ventura Blvd Ste 340
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexandria Thomas, MDFamily Medicine Physician1356929483
- Ramee Younes, M.D.Infectious Disease Physician1417337452
Verify Tom Steven Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A206395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
43 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- The Regents OF The University OF CaliforniaEncino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tom Steven Chen among 17,696 internal medicine physician records in California
Tom Steven Chen 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
44 internal medicine physician records list a practice address in Encino
They are 44 of the 3,136 NPPES records with a practice address in Encino, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Encino → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Isaac Adatto, M.D.Encino, CA 914361437263845
- Esfandiar Esfandiarifard, MDEncino, CA 914361063514479
- Darius Gharib, M.D.Encino, CA 914361013929918
- Jasmin Javaherian, D.OEncino, CA 914361447294715
- David Kayne, M.D.Encino, CA 914361144334533
- Melvin Khaw, M.D.Encino, CA 914361487624045
- Allan Klass, M DEncino, CA 914361346261039
- Ulf Lando, MDEncino, CA 914361487769063
Common questions
What is Tom Steven Chen's NPI number?
Tom Steven Chen's National Provider Identifier (NPI) is 1215514260, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Tom Steven Chen located?
The NPPES record lists a practice address at 15503 Ventura Blvd Ste 340, Encino, CA, 91436. Phone: (818) 467-8148. Providers update this record themselves, so call before visiting.
How can I verify Tom Steven Chen's license?
NPPES lists California license number A206395, 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 Tom Steven Chen prescribe under Medicare Part D?
In 2024, Tom Steven Chen had 43 Medicare Part D claims for 15 beneficiaries; 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.