ROBERT SIEW MD A MEDICAL CORPORATION
NPI 1265017404
Internal Medicine in Pasadena, CA

Q: What is Robert Siew MD A Medical Corporation's NPI number?

The NPI number for Robert Siew MD A Medical Corporation is 1265017404. It was assigned to this organization in the NPPES registry on March 9, 2021.

Q: What is Robert Siew MD A Medical Corporation's specialty?

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

Active since March 09, 2021

10 CONGRESS ST STE 155, PASADENA, CA 91105(626) 521-5331(626) 486-0189 Get Directions Write a Review

NPPES record last updated: March 9, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Robert Siew Md A Medical Corporation NPPES

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

ROBERT SIEW MD A MEDICAL CORPORATION (NPI 1265017404) is a healthcare organization registered as an internal medicine in Pasadena, California and active in the NPI registry since March 2021. The organization lists Robert Siew, President, as its authorized official.

NPPES Registry Identity

NPI1265017404

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameROBERT SIEW MD A MEDICAL CORPORATION

Location Address10 CONGRESS ST STE 155Pasadena, CA 91105-3045

Mailing Address2926 Canada BlvdGlendale, CA 91208-2050 · (626) 676-3511 · Fax (626) 486-0189

Phone(626) 521-5331

Fax(626) 486-0189

Organization SubpartNo

Authorized OfficialRobert SiewPresident · (626) 676-3511

Enumeration DateMarch 9, 2021

NPPES CertifiedMarch 9, 2021

✔ NPI 1265017404 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.

10 CONGRESS ST STE 155, Pasadena, CA 91105

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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

Other Providers at the Same Location NPPES 7

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

HOOMAN YONATAN SAZEGAR D.O.

Internal Medicine (Pulmonary Disease)