CALVIN CHIH-CHIA WU M.D. NPI 1659646891

NPI Information

  • NPI: 1659646891
  • Provider Name: CALVIN CHIH-CHIA WU, M.D.
  • Classification: Internal Medicine - 207RE0101X
  • Specialization: Endocrinology, Diabetes & Metabolism
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 330 N BRAND BLVD STE 700
    GLENDALE, CA
    ZIP 91203
  • Phone: (917) 382-0901

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NPI Details

Calvin Chih-chia Wu, M.D. is an endocrinology and diabetes and metabolism internal medicine in Glendale, CA. The provider is an internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems. Calvin Chih-chia Wu, M.D. NPI is 1659646891. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

330 N BRAND BLVD STE 700
GLENDALE, CA
ZIP 91203-336
Phone: (917) 382-0901

The NPI 1659646891 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The enumeration date for this NPI number is 3/21/2012 and was last updated on 7/1/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RE0101XInternal MedicineEndocrinology, Diabetes & MetabolismA122403CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1113813OTHERCALIFORNIASID # 113813

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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