MARY ELLEN FRANTZ CRNA
NPI 1033229190
Nurse Anesthetist, Certified Registered in Chesterfield, MO
About Mary Ellen Frantz Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELLEN FRANTZ CRNA (NPI 1033229190) is an individual nurse anesthetist, certified registered in Chesterfield, Missouri, licensed in Missouri (122106) and active in the NPI registry since August 2006. She is affiliated with Mercy Hospital Washington and is a graduate of Other (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Mary Ellen Frantz 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 Reassignments
3Medicare enrollment records show Mary Frantz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chesterfield, MO 63005
- Reassigned Medicare billing, Missouri enrollment
- 26 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 309 clinicians in this Medicare group
Hazelwood, MO 63042
- Reassigned Medicare billing, Missouri enrollment
- 26 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 Washington
Acute Care Hospitals · Washington, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESTERFIELD, MO 63005
CHESTERFIELD, MO 63005
CHESTERFIELD, MO 63005
CHESTERFIELD, MO 63005
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 Mary Frantz's NPI number?
The NPI number for Mary Frantz is 1033229190. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Mary Frantz located?
Mary Frantz practices at 17050 Baxter Rd Suite #110, Chesterfield, MO 63005. The listed phone number is (636) 200-4242.
What is Mary Frantz's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Frantz enrolled in Medicare?
Yes. Mary Frantz 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 Mary Frantz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Frantz reassigns Medicare benefits to 3 organizations: Gateway Gastroenterology Inc (Chesterfield, MO), Western Anesthesiology Associates, Inc. (Saint Louis, MO) and Dreamland Uap Anesthesia, LLC (Hazelwood, MO). 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 Mary Frantz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Frantz affiliated with any hospitals?
According to CMS data, Mary Frantz is affiliated with Mercy Hospital Washington.
When was this NPI record last updated?
The NPPES record for Mary Frantz was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mary Ellen Frantz, CRNA · NPI 1033229190
Nurse Anesthetist, Certified Registered physician in Chesterfield, Missouri. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1033229190 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 122106 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 17050 BAXTER RD, SUITE #110, Chesterfield, MO 63005-1422
- **Phone:** (636) 200-4242 · **Fax:** (636) 200-4243
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Gateway Gastroenterology Inc (NPI 1043250400, Chesterfield, MO); Western Anesthesiology Associates, Inc. (NPI 1275646754, Saint Louis, MO); Dreamland Uap Anesthesia, LLC (NPI 1073919494, Hazelwood, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1976
## Record status
- **NPPES last updated:** July 1, 2026
- **Other identifiers:** Medicaid 914765136 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1033229190) · Data from the CMS NPPES public registry.