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SCOTT LIANG MD INC
NPI 1649307638
Internal Medicine in Arcadia, CA

Active since February 27, 2007CLIA 05D2016727 · Waiver
900 S 1ST AVE, STE G, ARCADIA, CA 91006(626) 628-0808(626) 628-0809 Get Directions Write a Review

NPPES record last updated: October 7, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Scott Liang Md Inc NPPES

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

SCOTT LIANG MD INC (NPI 1649307638) is a healthcare organization registered as an internal medicine in Arcadia, California and active in the NPI registry since February 2007. The organization holds a CLIA Waiver certificate valid through November 22, 2026 and lists Scott Liang, Owner, as its authorized official.

NPPES Registry Identity

NPI1649307638
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSCOTT LIANG MD INC
Location Address900 S 1ST AVE, STE GArcadia, CA 91006-3919
Mailing Address900 S 1st Ave, Ste GArcadia, CA 91006-3919 · (626) 628-0808 · Fax (626) 628-0809
Phone(626) 628-0808
Fax(626) 628-0809
Organization SubpartNo
Authorized OfficialScott LiangOwner · (626) 628-0808
Enumeration DateFebruary 27, 2007
Last NPPES UpdateOctober 7, 2012
✔ NPI 1649307638 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 · A86197
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.
900 S 1ST AVE, Arcadia, CA 91006
Open in Google Maps ↗

Other Identifiers 5

Medicaid9176839CA
Medicare PINW20851CA
OtherDX163ACA · Medicare Ptan
Medicare UPINI35748
Other222606482CA · Blue Shield

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)

Scott Liang 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 Scott Liang MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Scott Liang, MD
Internal Medicine
NPI 1639124514
900 S 1ST AVE STE G
Arcadia, CA 91006
(626) 628-0808
✔ 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2016727

Scott Liang MD Inc · Arcadia, CA
Active · expires Nov 22, 2026
CLIA Number05D2016727
Laboratory TypePhysician Office
Certificate Effective DateNovember 23, 2024
Certificate Expiration DateNovember 22, 2026
Laboratory DirectorScott H. Liang
Laboratory Phone(626) 628-0808
Laboratory LocationScott Liang MD Inc4153 E Live Oak Ave, Arcadia, CA 91006
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Scott Liang MD Inc's NPI number?

The NPI number for Scott Liang MD Inc is 1649307638. It was assigned to this organization in the NPPES registry on February 27, 2007.

Where is Scott Liang MD Inc located?

Scott Liang MD Inc is located at 900 S 1st Ave Ste G, Arcadia, CA 91006. The listed phone number is (626) 628-0808.

What is Scott Liang MD Inc's specialty?

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

Is Scott Liang MD Inc enrolled in Medicare?

Yes. Scott Liang MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Scott Liang MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Scott Liang 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.

Does Scott Liang MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2016727) is associated with this NPI, valid through November 22, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Scott Liang MD Inc was last updated on October 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.