DR. ERIC NEIL-JENSEN BOYUM MD
NPI 1093034266
Psychiatry & Neurology - Psychiatry in Festus, MO
About Dr. Eric Neil-jensen Boyum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC NEIL-JENSEN BOYUM MD (NPI 1093034266) is an individual psychiatry provider in Festus, Missouri, licensed in Missouri (2023024344) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Jefferson, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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. Eric Neil-jensen Boyum 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 Eric Boyum reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 299 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
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 326 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Keokuk, IA 52632
- Reassigned Medicare billing, Iowa enrollment
- 43 clinicians in this Medicare group
Cedar Rapids, IA 52402
- Reassigned Medicare billing, Iowa enrollment
- Medicare enrollment name: St Lukes Methodist Hospital
- 166 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.
Mercy Hospital Jefferson
Acute Care Hospitals · Festus, MOMercy Hospital Springfield
Acute Care Hospitals · Springfield, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63028 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.
FESTUS, MO 63028
FESTUS, MO 63028
FESTUS, MO 63028
FESTUS, MO 63028
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 Eric Boyum's NPI number?
The NPI number for Eric Boyum is 1093034266. It was assigned to this individual provider in the NPPES registry on May 26, 2010.
Where is Eric Boyum located?
Eric Boyum practices at 1400 Us Highway 61, Festus, MO 63028. The listed phone number is (314) 251-6663.
What is Eric Boyum's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Eric Boyum enrolled in Medicare?
Yes. Eric Boyum 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 Eric Boyum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Boyum reassigns Medicare benefits to 7 organizations: Mercy Clinic Adult Hospitalists- Jefferson, LLC (Festus, MO), St Anthonys Physician Organization Hospitalist Services, L.C. (Saint Louis, MO), Mercy Clinic Adult Hospitalists - St. Louis, LLC (Saint Louis, MO), Mercy Aco Clinical Services Inc (Chesterfield, 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 Eric Boyum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Boyum accept?
Health plans from Anthem Blue Cross and Blue Shield and Medica list Eric Boyum 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 Eric Boyum affiliated with any hospitals?
According to CMS data, Eric Boyum is affiliated with Mercy Hospital Jefferson, Mercy Hospital Springfield and Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Eric Boyum was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Eric Neil-Jensen Boyum, MD · NPI 1093034266
Psychiatry physician in Festus, Missouri. Individual provider, active in the CMS NPPES registry since May 26, 2010.
## Identity
- **NPI:** 1093034266 (Entity type: Individual)
- **Enumerated:** May 26, 2010
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 2023024344 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 US HIGHWAY 61, Festus, MO 63028-4100
- **Phone:** (314) 251-6663
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Adult Hospitalists- Jefferson, LLC (NPI 1083052492, Festus, MO); St Anthonys Physician Organization Hospitalist Services, L.C. (NPI 1407216336, Saint Louis, MO); Mercy Clinic Adult Hospitalists - St. Louis, LLC (NPI 1841235108, Saint Louis, MO); Mercy Aco Clinical Services Inc (NPI 1063965093, Chesterfield, MO); Mercy Clinic Adult Hospitalists - Washington, LLC (NPI 1891943429, Washington, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** March 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1093034266) · Data from the CMS NPPES public registry.