Christopher M Mjaanes, MD
Allergy/Immunology · Pediatric Medicine (CMS) · Neenah, WI
At a glance
119 E Bell St, Neenah, WI 54956-4993
NPPES record updated Jul 21, 2022. 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
119 E Bell StNeenah, WI 54956-4993
Additional reported practice locations
220 Bosworth LnNeenah, WI 549564976
Phone: 9207670546
Education & affiliations
- Medical / professional school
- University Of Wisconsin School Of Medicine
- Graduation year
- 2000
- CMS specialties
- Allergy/Immunology · Pediatric Medicine
Practice groups
Reported hospital affiliations
- Thedacare Regional Med Ctr - Neenah Neenah, WI
- Thedacare Regional Medical Center - Appleton Inc Appleton, WI
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.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
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 |
|---|---|
| Consulting fee | $3,825.00 |
| Food and beverage | $790.43 |
| Education | $34.00 |
Reporting companies
| Company | Amount |
|---|---|
| GENENTECH USA, INC. | $4,467.39 |
| AMGEN INC. | $34.00 |
| PFIZER INC. | $32.01 |
| GENZYME CORPORATION | $25.23 |
| CSL BEHRING | $22.85 |
| ASTRAZENECA PHARMACEUTICALS LP | $19.36 |
| BIOCRYST US SALES CO., LLC | $18.94 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $14.84 |
| Other reporting companies | $14.81 |
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
- Allergy/Immunology · Pediatric Medicine (CMS)
- Taxonomy code
- 207K00000X
- Enumeration date
- Jan 3, 2007
- Record updated
- Jul 21, 2022
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207K00000X · Primary
License reported: 34651300WI WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
119 E Bell StNeenah, WI 54956-4993
- Phone
- (920) 969-1768
Mailing address
119 E BELL STNEENAH, WI 549564993
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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