Stephen Nathanson, MD

NPI: 1851310452

Stephen Nathanson, MD

Q: What is Stephen Nathanson's NPI number?

Stephen Nathanson's NPI number is 1851310452, a unique 10-digit identifier issued by CMS.

Q: What does Stephen Nathanson specialize in?

Stephen Nathanson specializes in Pediatrics, taxonomy code 208000000X.

Q: Where does Stephen Nathanson practice?

Stephen Nathanson practices in Valencia, CA 91355-4488.

Q: When was Stephen Nathanson's NPI issued?

Stephen Nathanson's NPI was issued on July 18, 2006.

Q: What is Stephen Nathanson's provider type?

Stephen Nathanson is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderPediatrics

NPI issued: July 18, 2006

Quick Facts

NPI Number

1851310452

TypeIndividual

StatusActive

SpecialtyPediatrics

Taxonomy208000000X — Pediatrics

Phone

(661) 222-2620

StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1851310452)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (July 18, 2006)

Data source: CMS NPPES

Provider Overview

STEPHEN NATHANSON, MD is a Pediatrics provider based in Valencia, CA who has been registered with CMS since 2006. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1851310452

Provider TypeIndividual Provider

GenderMale

CredentialMD

StatusActive

Enumeration DateJuly 18, 2006

Practice Location

CityValencia

StateCA

ZIP Code91355-4488

Phone(661) 222-2620

Specialties & Licenses

★ Primary

SpecialtyPediatrics

Taxonomy Code208000000X

License StateCA

Mailing Address

CityValencia

StateCA

ZIP Code91355-4488

Phone(661) 222-2620

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1851310452 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 1851310452for 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 1851310452 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 Pediatrics

Pediatricians specialize in the physical, emotional, and social health of infants, children, adolescents, and young adults, providing preventative care and treating childhood illnesses.

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