JEFFREY HAN-NIEN YANG M.D.
NPI 1942403654
Pediatrics - Developmental - Behavioral Pediatrics in Los Angeles, CA

Q: What is Jeffrey Yang's NPI number?

The NPI number for Jeffrey Yang is 1942403654. It was assigned to this individual provider in the NPPES registry on June 8, 2007.

Q: What is Jeffrey Yang's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Yang was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 08, 2007PECOS Enrolled

4650 W SUNSET BLVD, MS# 53, LOS ANGELES, CA 90027(323) 361-2350(323) 361-4429 Get Directions Write a Review

NPPES record last updated: December 2, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Jeffrey Han-nien Yang M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY HAN-NIEN YANG M.D. (NPI 1942403654) is an individual developmental - behavioral pediatrics provider in Los Angeles, California, licensed in California (A125815) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942403654

Entity TypeIndividualMale

Primary Taxonomy2080P0006X

Provider Legal NameJEFFREY HAN-NIEN YANGCredential: M.D.

Location Address4650 W SUNSET BLVD, MS# 53Los Angeles, CA 90027-6062

Mailing Address4650 W Sunset Blvd, Ms# 76Los Angeles, CA 90027-6062 · (323) 669-2110 · Fax (323) 361-4429

Phone(323) 361-2350

Fax(323) 361-4429

Sole ProprietorNo

Enumeration DateJune 8, 2007

Last NPPES UpdateDecember 2, 2021

✔ NPI 1942403654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians

Taxonomy Code2080P0006X

License✔ Licensed in CA · A125815

Definition

A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.

Also ListedPediatricsTaxonomy 208000000X · License A125815 (CA), 242593 (MA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 242593 (MA), 4301090194 (MI)

4650 W SUNSET BLVD, Los Angeles, CA 90027

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jeffrey Han-nien Yang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Jeffrey Yang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children's Hospital Los Angeles Medical Group, Inc.

Same address

Multi-Specialty

4650 SUNSET BLVD
Los Angeles, CA 90027

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
1,281 clinicians in this Medicare group

NPI 1265530653 (323) 361-2337

Southern California Permanente Medical Group

0.2 mi

Health Maintenance Organization

4760 W SUNSET BLVD
Los Angeles, CA 90027

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1134151657 (323) 783-4011

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARK HENDRIK CORDEN M.D.

Pediatrics

4650 W SUNSET BLVD
LOS ANGELES, CA 90027

Los Angeles County (323) 361-8893

MS. ROBERTA MIYEKO KATO MD

Pediatrics (Pediatric Pulmonology)

4650 W SUNSET BLVD
LOS ANGELES, CA 90027

Los Angeles County (323) 361-2101

CHILDREN'S HOSPITAL LOS ANGELES

General Acute Care Hospital (Children)

4650 W SUNSET BLVD
LOS ANGELES, CA 90027

Los Angeles County (323) 361-3644

JESSICA ELIZABETH GREIM DPT, PT

Physical Therapist (Pediatrics)

4650 W SUNSET BLVD
LOS ANGELES, CA 90027

Los Angeles County (310) 361-2118

MOLLY CEVASCO PH.D., BCBA

Psychologist (Clinical Child & Adolescent)

4650 W SUNSET BLVD, MS #53
LOS ANGELES, CA 90027

Los Angeles County (323) 361-3849

GINNY KIM THAN NP

Nurse Practitioner (Pediatrics)

4650 W SUNSET BLVD, MS #81
LOS ANGELES, CA 90027

Los Angeles County (323) 361-3033

DOUGLAS SHAPIRO MD

Pediatrics (Pediatric Emergency Medicine)

4650 W SUNSET BLVD
LOS ANGELES, CA 90027

Los Angeles County (323) 660-2450

ALEXANDRA LYNN JOSTES MD

Student in an Organized Health Care Education/Training Program

4650 W SUNSET BLVD
LOS ANGELES, CA 90027

Los Angeles County (323) 361-2122

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Yang's NPI number?

The NPI number for Jeffrey Yang is 1942403654. It was assigned to this individual provider in the NPPES registry on June 8, 2007.

Where is Jeffrey Yang located?

Jeffrey Yang practices at 4650 W Sunset Blvd Ms# 53, Los Angeles, CA 90027. The listed phone number is (323) 361-2350.

What is Jeffrey Yang's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Jeffrey Yang enrolled in Medicare?

Yes. Jeffrey Yang is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jeffrey Yang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Yang reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Southern California Permanente Medical Group (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Yang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Yang was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.