DR. ALEXANDER JEFFREY SHEN M.D.
NPI 1710091723
Internal Medicine in Torrance, CA

Active since August 18, 2006PECOS Enrolled
3330 LOMITA BLVD, TORRANCE, CA 90505(310) 891-6623(310) 891-6673 Get Directions Write a Review

NPPES record last updated: May 18, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alexander Jeffrey Shen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDER JEFFREY SHEN M.D. (NPI 1710091723) is an individual internal medicine provider in Torrance, California, licensed in California (A77979) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710091723
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXANDER JEFFREY SHENCredential: M.D.
Location Address3330 LOMITA BLVDTorrance, CA 90505-5002
Mailing Address4404 Lucera CirPalos Verdes Estates, CA 90274-1401 · (310) 373-0659
Fax(310) 891-6673
Sole ProprietorYes
Enumeration DateAugust 18, 2006
Last NPPES UpdateMay 18, 2009
✔ NPI 1710091723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A77979
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License A77979 (CA)
3330 LOMITA BLVD, Torrance, CA 90505

Other Identifiers 2

Medicaid6958036CA
Medicare UPINI01380CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexander Jeffrey Shen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Alexander Shen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
3333 SKYPARK DR, SUITE 100
Torrance, CA 90505
  • Reassigned Medicare billing, California enrollment
  • 388 clinicians in this Medicare group
Internal Medicine
1727 CRENSHAW BLVD
Torrance, CA 90501
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
3330 LOMITA BLVD
TORRANCE, CA 90505
Radiology (Diagnostic Radiology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Emergency Medicine
3330 LOMITA BLVD
TORRANCE, CA 90505
Emergency Medicine
3330 LOMITA BLVD
TORRANCE, CA 90505
Anesthesiology
3330 LOMITA BLVD
TORRANCE, CA 90505
Radiology (Diagnostic Radiology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Radiology (Radiation Oncology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Dietitian, Registered
3330 LOMITA BLVD
TORRANCE, CA 90505

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Shen's NPI number?

The NPI number for Alexander Shen is 1710091723. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is Alexander Shen located?

Alexander Shen practices at 3330 Lomita Blvd, Torrance, CA 90505. The listed phone number is (310) 891-6623.

What is Alexander Shen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alexander Shen enrolled in Medicare?

Yes. Alexander Shen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexander Shen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Shen reassigns Medicare benefits to 2 organizations: Torrance Health Association Inc (Torrance, CA) and Concert Health Care Inc (Torrance, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Shen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alexander Shen was last updated on May 18, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.