MIKAEL GARRI MD
NPI 1306076120
Internal Medicine in Creve Coeur, MO
About Mikael Garri Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIKAEL GARRI MD (NPI 1306076120) is an individual internal medicine provider in Creve Coeur, Missouri, licensed in Missouri (2012031776) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
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
Mikael Garri 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
7Medicare enrollment records show Mikael Garri reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 326 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 435 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 clinicians in this Medicare group
Winfield, MO 63389
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 299 clinicians in this Medicare group
Kansas City, MO 64132
- Reassigned Medicare billing, Missouri enrollment
- 85 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOResearch Medical Center
Acute Care Hospitals · Kansas City, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Mikael Garri's NPI number?
The NPI number for Mikael Garri is 1306076120. It was assigned to this individual provider in the NPPES registry on July 15, 2009.
Where is Mikael Garri located?
Mikael Garri practices at 621 S New Ballas Rd Suite 3016B, Creve Coeur, MO 63141. The listed phone number is (314) 251-6339.
What is Mikael Garri's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mikael Garri enrolled in Medicare?
Yes. Mikael Garri 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 Mikael Garri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mikael Garri reassigns Medicare benefits to 7 organizations: Mercy Clinic Adult Hospitalists - St. Louis, LLC (Saint Louis, MO), Mercy Hospitals East Communities (Saint Louis, MO), St Anthonys Physician Organization Hospitalist Services, L.C. (Saint Louis, MO), Mercy Hospital Lincoln (Winfield, MO), Mercy Clinic Adult Hospitalists - Washington, LLC (Washington, MO) and 2 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 Mikael Garri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mikael Garri accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Mikael Garri 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 Mikael Garri affiliated with any hospitals?
According to CMS data, Mikael Garri is affiliated with Mercy Hospital St Louis and Research Medical Center.
When was this NPI record last updated?
The NPPES record for Mikael Garri was last updated on January 4, 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.
# Mikael Garri, MD · NPI 1306076120
Internal Medicine physician in Creve Coeur, Missouri. Individual provider, active in the CMS NPPES registry since July 15, 2009.
## Identity
- **NPI:** 1306076120 (Entity type: Individual)
- **Enumerated:** July 15, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2012031776 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 621 S NEW BALLAS RD, SUITE 3016B, Creve Coeur, MO 63141-8232
- **Phone:** (314) 251-6339 · **Fax:** (314) 251-4564
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Adult Hospitalists - St. Louis, LLC (NPI 1841235108, Saint Louis, MO); Mercy Hospitals East Communities (NPI 1851431738, Saint Louis, MO); St Anthonys Physician Organization Hospitalist Services, L.C. (NPI 1407216336, Saint Louis, MO); Mercy Hospital Lincoln (NPI 1386040178, Winfield, MO); Mercy Clinic Adult Hospitalists - Washington, LLC (NPI 1891943429, Washington, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** January 4, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1306076120) · Data from the CMS NPPES public registry.