DR. MERL ARTHUR CHARLES MD PHD NPI 1023152055

NPI Information

  • NPI: 1023152055
  • Provider Name: DR. MERL ARTHUR CHARLES, MD PHD
  • Classification: Internal Medicine - 207RE0101X
  • Specialization: Endocrinology, Diabetes & Metabolism
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 400 PARNASSUS AVE
    SAN FRANCISCO, CA
    ZIP 94143
  • Phone: (415) 476-1517

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NPI Details

DR. Merl Arthur Charles, MD PHD is an endocrinology and diabetes and metabolism internal medicine in San Francisco, CA with 59 years of experience. 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. DR. Merl Arthur Charles, MD PHD NPI is 1023152055. 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:

400 PARNASSUS AVE
SAN FRANCISCO, CA
ZIP 94143-202
Phone: (415) 476-1517

The NPI 1023152055 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 2/15/2007 and was last updated on 7/8/2007.

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 & MetabolismG22463CALIFORNIAYes

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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