MICHAEL THOMAS CRONIN
NPI 1164797346
Pediatrics - Pediatric Critical Care Medicine in Seattle, WA
About Michael Thomas Cronin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL THOMAS CRONIN (NPI 1164797346) is an individual pediatric critical care medicine provider in Seattle, Washington, licensed in Washington (MD60565171) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael Thomas Cronin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Cronin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Round Rock, TX 78681
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Dell Childrens Medical Group
- 576 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
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 Michael Cronin's NPI number?
The NPI number for Michael Cronin is 1164797346. It was assigned to this individual provider in the NPPES registry on March 20, 2012.
Where is Michael Cronin located?
Michael Cronin practices at 4800 Sand Point Way NE A-5950, Seattle, WA 98105. The listed phone number is (206) 987-2525.
What is Michael Cronin's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Michael Cronin enrolled in Medicare?
Yes. Michael Cronin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Cronin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Cronin reassigns Medicare benefits to Dell Children's Medical Group (Round Rock, TX). 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 Michael Cronin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Cronin accept?
Health plans from Blue Cross and Blue Shield of Texas, Harbor Health and Sendero Health Plans, Local Nonprofit list Michael Cronin 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 Michael Cronin was last updated on June 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Michael Thomas Cronin · NPI 1164797346
Pediatric Critical Care Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 20, 2012.
## Identity
- **NPI:** 1164797346 (Entity type: Individual)
- **Enumerated:** March 20, 2012
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** MD60565171 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 4800 SAND POINT WAY NE, A-5950, Seattle, WA 98105-3901
- **Phone:** (206) 987-2525
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Dell Children's Medical Group (NPI 1790103869, Round Rock, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 13, 2019
- **Other identifiers:** Medicaid 1164797346 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1164797346) · Data from the CMS NPPES public registry.