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TRACY LIN DO
NPI 1649851718
Internal Medicine in San Dimas, CA

Active since April 19, 2021PECOS Enrolled
1335 CYPRESS ST STE 205, SAN DIMAS, CA 91773(909) 542-2777 Get Directions Write a Review

NPPES record last updated: May 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 31, 2026, May 14, 2021, Apr 19, 2021 (3 updates tracked since 2021).

About Tracy Lin Do NPPES

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

TRACY LIN DO (NPI 1649851718) is an individual internal medicine provider in San Dimas, California, licensed in California (20A22787) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649851718
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTRACY LINCredential: DO
Location Address1335 CYPRESS ST STE 205San Dimas, CA 91773-3538
Mailing Address1335 Cypress St Ste 205San Dimas, CA 91773-3538
Phone(909) 542-2777
Sole ProprietorNo
Enumeration DateApril 19, 2021
Last NPPES UpdateMay 31, 20263 updates tracked since enumeration
NPPES CertifiedMay 31, 2026
✔ NPI 1649851718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A22787
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.
1335 CYPRESS ST STE 205, San Dimas, CA 91773
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tracy Lin Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91773 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 4

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

SHAHID SYED M.D.
Internal Medicine (Nephrology)
1335 CYPRESS ST STE 205
SAN DIMAS, CA 91773
Los Angeles County (909) 402-2777
DR. ABID ARIF RIZVI M.D.
Internal Medicine (Nephrology)
1335 CYPRESS ST STE 205
SAN DIMAS, CA 91773
Los Angeles County (909) 542-2777
DR. JIM NGUYEN D.O.
Internal Medicine (Nephrology)
1335 CYPRESS ST STE 205
SAN DIMAS, CA 91773
Los Angeles County (909) 542-2777
DR. CHRISTOPHER CHE DAR WONG DO
Internal Medicine (Nephrology)
1335 CYPRESS ST STE 205
SAN DIMAS, CA 91773
Los Angeles County (909) 542-2777

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 Tracy Lin's NPI number?

The NPI number for Tracy Lin is 1649851718. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Tracy Lin located?

Tracy Lin practices at 1335 Cypress St Ste 205, San Dimas, CA 91773. The listed phone number is (909) 542-2777.

What is Tracy Lin's specialty?

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

Is Tracy Lin enrolled in Medicare?

Yes. Tracy Lin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tracy Lin was last updated on May 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.