MR. JEFFERY SCOTT DAVIS APN RN
NPI 1639402738
Nurse Practitioner - Psychiatric/Mental Health in Creve Coeur, MO
About Mr. Jeffery Scott Davis Apn Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JEFFERY SCOTT DAVIS APN RN (NPI 1639402738) is an individual psychiatric/mental health provider in Creve Coeur, Missouri, licensed in Missouri (147666) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS, is affiliated with St Anthonys Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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 and accepts Medicare assignment
Mr. Jeffery Scott Davis Apn Rn 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
3Medicare enrollment records show Jeffery Davis reassigns Medicare billing to 3 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
- 8 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois and Missouri enrollments
- 24 clinicians in this Medicare group
Durham, NC 27701
- Reassigned Medicare billing, Illinois and Missouri enrollments
- 107 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 2
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.
St Anthonys Memorial Hospital
Acute Care Hospitals · Effingham, ILGateway Regional Medical Center
Acute Care Hospitals · Granite City, ILPhysician 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.
Other Providers at the Same Location NPPES 6
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
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 Jeffery Davis's NPI number?
The NPI number for Jeffery Davis is 1639402738. It was assigned to this individual provider in the NPPES registry on September 8, 2009.
Where is Jeffery Davis located?
Jeffery Davis practices at 777 Craig Rd Ste 200, Creve Coeur, MO 63141. The listed phone number is (314) 776-7999.
What is Jeffery Davis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Jeffery Davis enrolled in Medicare?
Yes. Jeffery Davis 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 Jeffery Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffery Davis reassigns Medicare benefits to 3 organizations: Clinical Medical Services LLC (Saint Louis, MO), Clinical Research Associates, PC (Saint Louis, MO) and Mental Health Specialty Group PA (Durham, NC). 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 Jeffery Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeffery Davis accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 5 other insurers list Jeffery Davis 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 Jeffery Davis affiliated with any hospitals?
According to CMS data, Jeffery Davis is affiliated with St Anthonys Memorial Hospital and Gateway Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Jeffery Davis was last updated on March 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Mr. Jeffery Scott Davis, APN RN · NPI 1639402738
Psychiatric/Mental Health physician in Creve Coeur, Missouri. Individual provider, active in the CMS NPPES registry since September 8, 2009.
## Identity
- **NPI:** 1639402738 (Entity type: Individual)
- **Enumerated:** September 8, 2009
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 147666 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 777 CRAIG RD STE 200, Creve Coeur, MO 63141-7190
- **Phone:** (314) 776-7999
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Clinical Medical Services LLC (NPI 1497132286, Saint Louis, MO); Clinical Research Associates, PC (NPI 1063632826, Saint Louis, MO); Mental Health Specialty Group PA (NPI 1801472634, Durham, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** March 1, 2025
- **Other identifiers:** Medicaid 209007722 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1639402738) · Data from the CMS NPPES public registry.