Amy Jo Croxson, CRNA
Certified Registered Nurse Anesthetist (Crna) (CMS) · Oshkosh, WI
At a glance
855 N Westhaven Dr, Oshkosh, WI 54904-7668
NPPES record updated Oct 15, 2026. 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
855 N Westhaven DrOshkosh, WI 54904-7668
Additional reported practice locations
6606 Lbj Fwy Ste 200Dallas, TX 752406524
Phone: 9727155000
Fax: 9727159976 6720 Bertner Ave
Houston, TX 770302604
Phone: 8323552666 1500 Citywest Blvd Ste 300
Houston, TX 770422549
Phone: 7136204000
Fax: 7134584229 1 Baylor Plz
Ms:bcm 115; Debakey Building, Suite M108
Houston, TX 770303411
Phone: 7137988650
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2013
- CMS specialties
- Certified Registered Nurse Anesthetist (Crna)
Practice groups
Reported hospital affiliations
- Houston Methodist Hospital Houston, TX
- Womans Hospital Of Texas,The Houston, TX
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 | $547.49 |
Reporting companies
| Company | Amount |
|---|---|
| BECTON, DICKINSON AND COMPANY | $369.18 |
| FISHER & PAYKEL HEALTHCARE INC | $105.79 |
| MERCK SHARP & DOHME LLC | $45.35 |
| PACIRA PHARMACEUTICALS INCORPORATED | $27.17 |
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
- Certified Registered Nurse Anesthetist (Crna) (CMS)
- Taxonomy code
- 367500000X
- Enumeration date
- Sep 20, 2010
- Record updated
- Oct 15, 2026
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- AMY JO UMNUS
- Reported credentials
- CRNA
Reported taxonomies and licenses
367500000X
License reported: 846376 TX
367500000X
License reported: AP125109 TX
367500000X
License reported: 18563-33 WI
367500000X · Primary
License reported: 164405-30 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
855 N Westhaven DrOshkosh, WI 54904-7668
- Phone
- (920) 303-8700
Mailing address
PO BOX 735044CHICAGO, IL 606735044
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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