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MICHELLE MARIE RATKIEWICZ DO
NPI 1679743280
Pediatrics - Pediatric Pulmonology in Phoenix, AZ

Active since March 11, 2008PECOS Enrolled
1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-0985(602) 933-2442 Get Directions Write a Review

NPPES record last updated: March 27, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 27, 2018, Mar 17, 2018 (2 updates tracked since 2018).

About Michelle Marie Ratkiewicz Do NPPES

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

MICHELLE MARIE RATKIEWICZ DO (NPI 1679743280) is an individual pediatric pulmonology provider in Phoenix, Arizona, licensed in Arizona (006366) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679743280
Entity TypeIndividualFemale
Primary Taxonomy2080P0214X
Provider Legal NameMICHELLE MARIE RATKIEWICZCredential: DO
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address3200 E Camelback Rd Ste 250Phoenix, AZ 85018-2327 · (602) 933-1814
Phone(602) 933-0985
Fax(602) 933-2442
Sole ProprietorNo
Enumeration DateMarch 11, 2008
Last NPPES UpdateMarch 27, 20182 updates tracked since enumeration
✔ NPI 1679743280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
Licenses✔ Licensed in AZ · 006366✔ Licensed in OH · 34010322
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
1919 E THOMAS RD, Phoenix, AZ 85016
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Marie Ratkiewicz Do 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

2

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

Phoenix Children's Hospital
Same address
Pediatrics
1919 E THOMAS RD
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 1,416 clinicians in this Medicare group
NPI 1922112044 (602) 933-1000
District Medical Group, Inc
1.6 mi
Surgery
2525 E ROOSEVELT ST, MED CLINIC - INFECTIOUS DISEASE
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1174856280 (602) 344-1095

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. TIMUR RAGHIB M.D.
Hospitalist
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0777
MRS. MARIA T ESCOBAR CSP, RD
Dietitian, Registered
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (480) 440-2787
DR. AHMAR HUSAIN MD
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
MRS. SOLEE R COWLEY LCSW
Social Worker (Clinical)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0414
MR. SEAN PATRICK BRADY DO
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
PRIYA PRASHER M.D.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1900
DR. AMIT RAJARAM D.O.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0198
LAURA GARDNER HAMANT
Pediatrics (Pediatric Gastroenterology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1000

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 Michelle Ratkiewicz's NPI number?

The NPI number for Michelle Ratkiewicz is 1679743280. It was assigned to this individual provider in the NPPES registry on March 11, 2008.

Where is Michelle Ratkiewicz located?

Michelle Ratkiewicz practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-0985.

What is Michelle Ratkiewicz's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Michelle Ratkiewicz enrolled in Medicare?

Yes. Michelle Ratkiewicz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Ratkiewicz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Ratkiewicz reassigns Medicare benefits to 2 organizations: Phoenix Children's Hospital (Phoenix, AZ) and District Medical Group, Inc (Phoenix, AZ). 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 Michelle Ratkiewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michelle Ratkiewicz accept?

Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Michelle Ratkiewicz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michelle Ratkiewicz was last updated on March 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.