DR. RICHARD JOSEPH CHADWIN MD NPI 1811949399

NPI Information

  • NPI: 1811949399
  • Provider Name: DR. RICHARD JOSEPH CHADWIN, MD
  • Classification: Psychiatry & Neurology - 2084P0005X
  • Specialization: Neurodevelopmental Disabilities
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 690 HUDSON CT
    SONOMA, CA
    ZIP 95476
  • Phone: (707) 849-6533

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NPI Details

DR. Richard Joseph Chadwin, MD is a neurodevelopmental disabilities psychiatry neurology in Sonoma, CA. The provider is a neurologist who specializes in the treatment of individuals with developmental delays and learning disorders associated with cerebral palsy, spina bifida, autism, and other chronic neurologic conditions. DR. Richard Joseph Chadwin, MD NPI is 1811949399. 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:

690 HUDSON CT
SONOMA, CA
ZIP 95476
Phone: (707) 849-6533

The NPI 1811949399 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Power Mobility Devices.

The enumeration date for this NPI number is 5/16/2006 and was last updated on 5/22/2018.

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
12084P0800XPsychiatry & NeurologyPsychiatryG27274CALIFORNIANo
22084P0005XPsychiatry & NeurologyNeurodevelopmental DisabilitiesG27274CALIFORNIAYes

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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