DR. RYAN KENJI JOHNSON M.D.
NPI 1114941416
Pediatrics - Pediatric Cardiology in Tucson, AZ

Active since July 27, 2006PECOS Enrolled
5983 E GRANT RD, STE 117, TUCSON, AZ 85712(602) 933-3166(602) 933-4166 Get Directions Write a Review

NPPES record last updated: February 1, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ryan Kenji Johnson M.d. NPPES

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

DR. RYAN KENJI JOHNSON M.D. (NPI 1114941416) is an individual pediatric cardiology provider in Tucson, Arizona, licensed in Arizona (35247) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114941416
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDR. RYAN KENJI JOHNSONCredential: M.D.
Location Address5983 E GRANT RD, STE 117Tucson, AZ 85712-2365
Mailing Address3200 E Camelback Rd, Ste 250Phoenix, AZ 85018-2311 · (602) 933-1813 · Fax (602) 933-1820
Fax(602) 933-4166
Sole ProprietorNo
Enumeration DateJuly 27, 2006
Last NPPES UpdateFebruary 1, 2017
✔ NPI 1114941416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in AZ · 35247
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedPediatricsTaxonomy 208000000X · License 37244 (IA), 35247 (AZ)
5983 E GRANT RD, Tucson, AZ 85712

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ryan Kenji Johnson 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 Reassignment

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

Multi-Specialty
5131 E SOUTHERN AVE
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • Medicare enrollment name: Phoenix Children's Hospital
  • 1,416 clinicians in this Medicare group

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 2

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

Clinic/Center (Sleep Disorder Diagnostic)
5983 E GRANT RD, BUILDING 3, SUITE #105
TUCSON, AZ 85712
Nurse Practitioner (Pediatrics)
5983 E GRANT RD, SUITE 117
TUCSON, AZ 85712

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 Ryan Johnson's NPI number?

The NPI number for Ryan Johnson is 1114941416. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Ryan Johnson located?

Ryan Johnson practices at 5983 E Grant Rd Ste 117, Tucson, AZ 85712. The listed phone number is (602) 933-3166.

What is Ryan Johnson's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Ryan Johnson enrolled in Medicare?

Yes. Ryan Johnson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ryan Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Johnson reassigns Medicare benefits to Phoenix Children's Medical Group (Mesa, AZ). 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 Ryan Johnson'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 Ryan Johnson was last updated on February 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.