MS. JENNY ERNST CRNA
NPI 1821223181
Nurse Anesthetist, Certified Registered in Perryville, MO
About Ms. Jenny Ernst Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. JENNY ERNST CRNA (NPI 1821223181) is an individual nurse anesthetist, certified registered in Perryville, Missouri, licensed in Missouri (RN132030) and active in the NPI registry since May 2009. She is affiliated with Mercy Hospital Perry and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Jenny Ernst Crna 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 Reassignment
Medicare enrollment records show Jenny Ernst reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Perryville, MO 63775
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1063117158 (Missouri)
- 192 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Perry
Critical Access Hospitals · Perryville, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63775 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Jenny Ernst's NPI number?
The NPI number for Jenny Ernst is 1821223181. It was assigned to this individual provider in the NPPES registry on May 15, 2009.
Where is Jenny Ernst located?
Jenny Ernst practices at 2201 Pcr 702, Perryville, MO 63775. The listed phone number is (573) 547-9029.
What is Jenny Ernst's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Jenny Ernst enrolled in Medicare?
Yes. Jenny Ernst 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 organization bills Medicare for Jenny Ernst's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jenny Ernst reassigns Medicare benefits to Mercy Hospital Perry (Perryville, MO). The 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 Jenny Ernst's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jenny Ernst accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 1 other insurer list Jenny Ernst 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 Jenny Ernst affiliated with any hospitals?
According to CMS data, Jenny Ernst is affiliated with Mercy Hospital Perry.
When was this NPI record last updated?
The NPPES record for Jenny Ernst was last updated on May 15, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.
# Ms. Jenny Ernst, CRNA · NPI 1821223181
Nurse Anesthetist, Certified Registered physician in Perryville, Missouri. Individual provider, active in the CMS NPPES registry since May 15, 2009.
## Identity
- **NPI:** 1821223181 (Entity type: Individual)
- **Enumerated:** May 15, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN132030 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 2201 PCR 702, Perryville, MO 63775-9501
- **Phone:** (573) 547-9029
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Mercy Hospital Perry (NPI 1720767940, Perryville, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** May 15, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1821223181) · Data from the CMS NPPES public registry.