Eric Neil-Jensen Boyum, MD
Psychiatry · Festus, MO
At a glance
1400 Us Highway 61, Festus, MO 63028-4100
NPPES record updated Mar 28, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1400 Us Highway 61Festus, MO 63028-4100
Additional reported practice locations
615 S New Ballas RdSaint Louis, MO 631418221
Phone: 3142516663 10018 Kennerly Rd
Saint Louis, MO 631282106
Phone: 3142516663 851 E 5Th St Ste 154
Washington, MO 630903136
Phone: 3142516663
Education & affiliations
- Medical / professional school
- Washington University School Of Medicine
- Graduation year
- 2010
- CMS specialties
- Psychiatry
Practice groups
- Mercy Clinic Adult Hospitalists Jefferson Llc
- St Anthonys Physician Organization Hospitalist Services Lc
Reported hospital affiliations
- Mercy Hospital Jefferson Crystal City, MO
- Mercy Hospital South Saint Louis, MO
- Mercy Hospital Springfield Springfield, MO
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $471.97 |
Reporting companies
| Company | Amount |
|---|---|
| NEUROCRINE BIOSCIENCES, INC. | $114.40 |
| OTSUKA AMERICA PHARMACEUTICAL, INC. | $112.38 |
| JANSSEN PHARMACEUTICALS, INC | $56.27 |
| LUNDBECK LLC | $54.01 |
| TEVA PHARMACEUTICALS USA, INC. | $38.67 |
| ITI, INC. (D/B/A INTRA-CELLULAR THERAPIES, INC.) | $36.49 |
| SUPERNUS PHARMACEUTICALS, INC. | $23.99 |
| ALKERMES, INC. | $19.76 |
| Other reporting companies | $16.00 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Psychiatry
- Taxonomy code
- 2084P0800X
- Enumeration date
- May 26, 2010
- Record updated
- Mar 28, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2084P0800X
License reported: MD-40619 IA
2084P0804X
License reported: MD-40619 IA
2084P0800X · Primary
License reported: 2023024344 MO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1400 Us Highway 61Festus, MO 63028-4100
- Phone
- (314) 251-6663
Mailing address
1400 US HIGHWAY 61FESTUS, MO 630284100
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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