DR. MARIPAT L GATTER MD
NPI 1649374208
Emergency Medicine in Perryville, MO
About Dr. Maripat L Gatter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIPAT L GATTER MD (NPI 1649374208) is an individual emergency medicine provider in Perryville, Missouri, licensed in Missouri (2011012786) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Northeast Regional Medical Center, and maintains a secondary practice location in Troy.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 and accepts Medicare assignment
Dr. Maripat L Gatter 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
13Medicare enrollment records show Maripat Gatter reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Perryville, MO 63775
- Reassigned Medicare billing, Missouri enrollment
- 192 clinicians in this Medicare group
Shiloh, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Cepamerica Illinois LLP
- 982 clinicians in this Medicare group
Saint Louis, MO 63111
- Reassigned Medicare billing, Missouri enrollment
- 11 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 269 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Missouri enrollment
- 343 clinicians in this Medicare group
Winfield, MO 63389
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Kirksville, MO 63501
- Reassigned Medicare billing, Missouri enrollment
- 78 clinicians in this Medicare group
Chillicothe, MO 64601
- Reassigned Medicare billing, Missouri enrollment
- 201 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1003201955 (Missouri)
- 133 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- 562 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeast Regional Medical Center
Acute Care Hospitals · Kirksville, MOMercy Hospital Perry
Critical Access Hospitals · Perryville, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63775 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PERRYVILLE, MO 63775
PERRYVILLE, MO 63775
PERRYVILLE, MO 63775
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 Maripat Gatter's NPI number?
The NPI number for Maripat Gatter is 1649374208. It was assigned to this individual provider in the NPPES registry on September 12, 2006.
Where is Maripat Gatter located?
Maripat Gatter practices at 434 N West St, Perryville, MO 63775. The listed phone number is (573) 547-2536.
What is Maripat Gatter's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Maripat Gatter enrolled in Medicare?
Yes. Maripat Gatter 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 Maripat Gatter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maripat Gatter reassigns Medicare benefits to 13 organizations: Mercy Hospital Perry (Perryville, MO), Cep America Illinois LLP (Shiloh, IL), Novus Health Inc (Saint Louis, MO), Cep America LLC (Saint Louis, MO), Southeastern Emergency Physicians Of Memphis LLC (Alton, IL) and 8 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 Maripat Gatter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maripat Gatter 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 6 other insurers list Maripat Gatter 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 Maripat Gatter affiliated with any hospitals?
According to CMS data, Maripat Gatter is affiliated with Northeast Regional Medical Center and Mercy Hospital Perry.
When was this NPI record last updated?
The NPPES record for Maripat Gatter was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Dr. Maripat L Gatter, MD · NPI 1649374208
Emergency Medicine physician in Perryville, Missouri. Individual provider, active in the CMS NPPES registry since September 12, 2006.
## Identity
- **NPI:** 1649374208 (Entity type: Individual)
- **Enumerated:** September 12, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2011012786 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 434 N WEST ST, Perryville, MO 63775-1359
- **Phone:** (573) 547-2536
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Mercy Hospital Perry (NPI 1063117158, Perryville, MO); Cep America Illinois LLP (NPI 1134587637, Shiloh, IL); Novus Health Inc (NPI 1013533181, Saint Louis, MO); Cep America LLC (NPI 1104223288, Saint Louis, MO); Southeastern Emergency Physicians Of Memphis LLC (NPI 1437105277, Alton, IL); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** August 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649374208) · Data from the CMS NPPES public registry.