GARRETT FLYNN COOK MD
NPI 1780325571
Emergency Medicine in Southfield, MI
About Garrett Flynn Cook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARRETT FLYNN COOK MD (NPI 1780325571) is an individual emergency medicine provider in Southfield, Michigan, licensed in Michigan (4301512235) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Crisp Regional Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Garrett Flynn Cook Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Garrett Cook reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- 25 clinicians in this Medicare group
Cadillac, MI 49601
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Caberfae Emergency Group PC
- 92 clinicians in this Medicare group
Charlevoix, MI 49720
- Reassigned Medicare billing, Michigan enrollment
- 97 clinicians in this Medicare group
Harrisburg, IL 62946
- Reassigned Medicare billing, Illinois enrollment
- 169 clinicians in this Medicare group
Eatonton, GA 31024
- Reassigned Medicare billing, Georgia enrollment
- 29 clinicians in this Medicare group
Cordele, GA 31010
- Reassigned Medicare billing, Georgia enrollment
- 124 clinicians in this Medicare group
Moultrie, GA 31768
- Reassigned Medicare billing, Georgia enrollment
- 22 clinicians in this Medicare group
- Reassigned Medicare billing, Illinois enrollment
- 208 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Crisp Regional Hospital
Acute Care Hospitals · Cordele, GAColquitt Regional Medical Center
Acute Care Hospitals · Moultrie, GAMassac Memorial Hospital
Critical Access Hospitals · Metropolis, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48075 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SOUTHFIELD, MI 48075
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 Garrett Cook's NPI number?
The NPI number for Garrett Cook is 1780325571. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is Garrett Cook located?
Garrett Cook practices at 16001 W 9 Mile Rd Ste 401, Southfield, MI 48075. The listed phone number is (248) 849-5664.
What is Garrett Cook's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Garrett Cook enrolled in Medicare?
Yes. Garrett Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Garrett Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Garrett Cook reassigns Medicare benefits to 8 organizations: Iep Urgent Care - Jackson PLLC (Jackson, MI), Caberfae Emergency Group, P.C. (Cadillac, MI), Hawk Emergency Group, P.C. (Charlevoix, MI), Statera Health Care, LLC (Harrisburg, IL), Reid Emergency Group, PC (Eatonton, GA) and 3 more organizations, listed in the Medicare section above. 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 Garrett Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Garrett Cook accept?
Health plans from Oscar Health and Paramount list Garrett Cook 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.
Is Garrett Cook affiliated with any hospitals?
According to CMS data, Garrett Cook is affiliated with Crisp Regional Hospital, Colquitt Regional Medical Center and Massac Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Garrett Cook was last updated on June 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Garrett Flynn Cook, MD · NPI 1780325571
Emergency Medicine physician in Southfield, Michigan. Individual provider, active in the CMS NPPES registry since April 5, 2022.
## Identity
- **NPI:** 1780325571 (Entity type: Individual)
- **Enumerated:** April 5, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301512235 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 16001 W 9 MILE RD STE 401, Southfield, MI 48075-4818
- **Phone:** (248) 849-5664
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Iep Urgent Care - Jackson PLLC (NPI 1336725688, Jackson, MI); Caberfae Emergency Group, P.C. (NPI 1447932504, Cadillac, MI); Hawk Emergency Group, P.C. (NPI 1073295135, Charlevoix, MI); Statera Health Care, LLC (NPI 1043874449, Harrisburg, IL); Reid Emergency Group, PC (NPI 1659872497, Eatonton, GA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 6, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1780325571) · Data from the CMS NPPES public registry.