Mary Ryken, RN

ActiveIndividual ProviderRegistered Nurse
NPI issued: January 4, 2019

Quick Facts

NPI Number
1023581766
TypeIndividual
StatusActive
SpecialtyRegistered Nurse
Taxonomy163W00000X — Registered Nurse
Phone
(510) 693-4586
StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1023581766)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (January 4, 2019)
Data source: CMS NPPES

Provider Overview

MARY RYKEN, RN is a Registered Nurse provider based in Castro Valley, CA who has been registered with CMS since 2019. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1023581766
Provider TypeIndividual Provider
GenderFemale
CredentialRN
StatusActive
Enumeration DateJanuary 4, 2019

Practice Location

CityCastro Valley
StateCA
ZIP Code94546-6358
Phone(510) 693-4586

Specialties & Licenses

★ Primary
SpecialtyRegistered Nurse
Taxonomy Code163W00000X
License StateCA

Mailing Address

CityCastro Valley
StateCA
ZIP Code94546-6358
Phone(510) 693-4586
Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1023581766 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1023581766for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1023581766 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Registered Nurse

Registered Nurses (RNs) evaluate patient health, administer medications and treatments, coordinate clinical care plans, and educate patients and families about health conditions.

Browse all Registered Nurseproviders →
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184,414
Registered Nurse Providers in the US

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People Also Ask

What is Mary Ryken's NPI number?
Mary Ryken's NPI number is 1023581766, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Mary Ryken's NPI currently active?
Yes, Mary Ryken's NPI status is Active as of the latest CMS NPPES database updates.
What does Mary Ryken specialize in?
Mary Ryken specializes in Registered Nurse. The healthcare taxonomy code associated with this specialty is 163W00000X.
Where does Mary Ryken practice?
Mary Ryken practices in Castro Valley, CA 94546-6358.
When was Mary Ryken's NPI issued?
Mary Ryken's NPI was issued on January 4, 2019.
What is Mary Ryken's provider type?
Mary Ryken is registered as an Individual Provider under CMS NPI Type 1.