Alexander Jeffrey Shen, M.D.
Internal Medicine Physician · Torrance, CA
Alexander Jeffrey Shen, M.D. is an internal medicine physician with a practice address in Torrance, California, and NPI 1710091723, issued on Aug 18, 2006. Check the license (California A77979, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Jeffrey Shen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A77979 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3330 Lomita Blvd, Torrance, CA 90505
- Phone
- (310) 891-6623
- Enumerated
- Aug 18, 2006
- Record last updated
- May 18, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (310) 891-6673
- Medicaid ID
- 6958036 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3330 Lomita Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Albano, MS, RDNRegistered Dietitian1235987447
- Mark Ancheta, M.D.Anesthesiology Physician1750303020
- Elisa Anhalt, MDEmergency Medicine Physician1194773424
- Michael Anzivino, MDCritical Care Medicine (Internal Medicine) Physician1164479119
- Anthony Arellano-Kruse, M.D.Anesthesiology Physician1144358755
- Gregory Baetge, M.D.Anatomic Pathology & Clinical Pathology Physician1962507657
Verify Alexander Jeffrey Shen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $999.61
47 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, 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.
Alexander Jeffrey Shen among 17,696 internal medicine physician records in California
Alexander Jeffrey Shen, 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 updated2009 · 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).
231 internal medicine physician records list a practice address in Torrance
They are 231 of the 8,901 NPPES records with a practice address in Torrance, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Torrance → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tanya Arvan, MDTorrance, CA 905051104827666
- Madhu Chatwani, M.D.Torrance, CA 905051215993894
- James Ding, MDTorrance, CA 905051285614636
- Vadim Fanous, MDTorrance, CA 905051457329716
- Tyler Jung, M.D.Torrance, CA 905051194791772
- Chong Kim, MDTorrance, CA 905051528034485
- Janet Lee, D.O.Torrance, CA 905051205826633
- Thomas Lee, M.D.Torrance, CA 905051609842079
Common questions
What is Alexander Jeffrey Shen, M.D.'s NPI number?
Alexander Jeffrey Shen, M.D.'s National Provider Identifier (NPI) is 1710091723, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Jeffrey Shen, M.D. located?
The NPPES record lists a practice address at 3330 Lomita Blvd, Torrance, CA, 90505. Phone: (310) 891-6623. Providers update this record themselves, so call before visiting.
How can I verify Alexander Jeffrey Shen, M.D.'s license?
NPPES lists California license number A77979, 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.
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.