THOMAS S LIN MD, INC
NPI 1982308342
Internal Medicine in Torrance, CA

Q: What is Thomas S Lin MD, Inc's NPI number?

The NPI number for Thomas S Lin MD, Inc is 1982308342. It was assigned to this organization in the NPPES registry on March 29, 2023.

Q: What is Thomas S Lin MD, Inc's specialty?

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

Active since March 29, 2023

3655 LOMITA BLVD STE 101, TORRANCE, CA 90505(310) 543-1677(310) 543-9838 Get Directions Write a Review

NPPES record last updated: April 5, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 5, 2023, Mar 29, 2023 (2 updates tracked since 2023).

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About Thomas S Lin Md, Inc NPPES

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

THOMAS S LIN MD, INC (NPI 1982308342) is a healthcare organization registered as an internal medicine in Torrance, California and active in the NPI registry since March 2023. The organization lists Thomas S Lin, Physician, as its authorized official.

NPPES Registry Identity

NPI1982308342

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameTHOMAS S LIN MD, INC

Location Address3655 LOMITA BLVD STE 101Torrance, CA 90505-1901

Mailing Address3655 Lomita Blvd Ste 101Torrance, CA 90505-1901 · (310) 543-1677 · Fax (310) 543-9838

Phone(310) 543-1677

Fax(310) 543-9838

Organization SubpartNo

Authorized OfficialThomas S LinPhysician · (310) 543-1677

Enumeration DateMarch 29, 2023

Last NPPES UpdateApril 5, 20232 updates tracked since enumeration

NPPES CertifiedApril 5, 2023

✔ NPI 1982308342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

3655 LOMITA BLVD STE 101, Torrance, CA 90505

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas S Lin Md, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Thomas S Lin MD, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas Lin, M.D.

Internal Medicine

NPI 1861421349

21350 HAWTHORNE BLVD STE 161
Torrance, CA 90503

(310) 543-1677

✔ PECOS✔ Accepts Medicare1.3 mi

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

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 Thomas S Lin MD, Inc's NPI number?

The NPI number for Thomas S Lin MD, Inc is 1982308342. It was assigned to this organization in the NPPES registry on March 29, 2023.

Where is Thomas S Lin MD, Inc located?

Thomas S Lin MD, Inc is located at 3655 Lomita Blvd Ste 101, Torrance, CA 90505. The listed phone number is (310) 543-1677.

What is Thomas S Lin MD, Inc's specialty?

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

Is Thomas S Lin MD, Inc enrolled in Medicare?

Yes. Thomas S Lin MD, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Thomas S Lin MD, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Thomas S Lin MD, Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Thomas S Lin MD, Inc was last updated on April 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.