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JONATHAN DANIEL WARUS MD
NPI 1801153010
Pediatrics - Adolescent Medicine in Pasadena, CA

Active since April 12, 2012PECOS Enrolled
301 S FAIR OAKS AVE STE 105, PASADENA, CA 91105(866) 846-5062(800) 890-5211 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 2, 2025, Nov 3, 2025, Jul 28, 2022 and 2 more (5 updates tracked since 2017).

About Jonathan Daniel Warus Md NPPES

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

JONATHAN DANIEL WARUS MD (NPI 1801153010) is an individual adolescent medicine provider in Pasadena, California, licensed in California (A136495) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1801153010
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameJONATHAN DANIEL WARUSCredential: MD
Location Address301 S FAIR OAKS AVE STE 105Pasadena, CA 91105-2536
Mailing Address301 S Fair Oaks Ave Ste 105Pasadena, CA 91105-2536 · (866) 846-5062 · Fax (800) 890-5211
Phone(866) 846-5062
Fax(800) 890-5211
Sole ProprietorNo
Enumeration DateApril 12, 2012
Last NPPES UpdateDecember 2, 20255 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
✔ NPI 1801153010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in CA · A136495
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
301 S FAIR OAKS AVE STE 105, Pasadena, CA 91105
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Secondary Practice Locations 2

Location 14650 W Sunset Blvd, MS #2Los Angeles, CA 90027-6062 · Phone (323) 361-2153
Location 23250 Wilshire Blvd Fl 3Los Angeles, CA 90010-1577 · Phone (323) 361-2153 · Fax (323) 953-8116

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jonathan Daniel Warus Md 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 Reassignment

Medicare enrollment records show Jonathan Warus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Los Angeles Medical Group, Inc.
8.2 mi
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

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 6

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

WAYWARD CARE PROFESSIONAL CORPORATION
Pediatrics (Adolescent Medicine)
301 S FAIR OAKS AVE STE 105
PASADENA, CA 91105
Los Angeles County (415) 780-1515
SARA ELLERBE PHYSICAL THERAPY SERVICES, INC.
Physical Therapist
301 S FAIR OAKS AVE STE 105
PASADENA, CA 91105
Los Angeles County (626) 795-8023
JOHANNA OLSON-KENNEDY APMC
Pediatrics (Adolescent Medicine)
301 S FAIR OAKS AVE STE 105
PASADENA, CA 91105
Los Angeles County (866) 846-5062
MS. KERIN BERGER PA-C
Physician Assistant (Medical)
301 S FAIR OAKS AVE STE 105
PASADENA, CA 91105
Los Angeles County (516) 413-7744
JOHANNA LYNN OLSON-KENNEDY MD
Pediatrics (Adolescent Medicine)
301 S FAIR OAKS AVE STE 105
PASADENA, CA 91105
Los Angeles County (866) 846-5062
PHYSICAL THERAPY SERVICES MEDICAL GROUP, INC.
Physical Therapist
301 S FAIR OAKS AVE STE 105
PASADENA, CA 91105
Los Angeles County (626) 795-8023

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 Jonathan Warus's NPI number?

The NPI number for Jonathan Warus is 1801153010. It was assigned to this individual provider in the NPPES registry on April 12, 2012.

Where is Jonathan Warus located?

Jonathan Warus practices at 301 S Fair Oaks Ave Ste 105, Pasadena, CA 91105. The listed phone number is (866) 846-5062.

What is Jonathan Warus's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Jonathan Warus enrolled in Medicare?

Yes. Jonathan Warus is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jonathan Warus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Warus reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA). The 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 Jonathan Warus'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 Jonathan Warus was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.