JOHN J RETZLOFF CRNA
NPI 1881822039
Nurse Anesthetist, Certified Registered in Elkhart, IN
About John J Retzloff Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN J RETZLOFF CRNA (NPI 1881822039) is an individual nurse anesthetist, certified registered in Elkhart, Indiana, licensed in Indiana (28146650A) and active in the NPI registry since June 2009. He maintains a secondary practice location in South Bend and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
John J Retzloff 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
10Medicare enrollment records show John Retzloff reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elkhart, IN 46514
- Reassigned Medicare billing, Indiana enrollment
- 104 clinicians in this Medicare group
Elkhart, IN 46514
- Reassigned Medicare billing, Indiana enrollment
- Medicare enrollment name: Great Lakes Anesthesia PC
- 60 clinicians in this Medicare group
South Bend, IN 46617
- Reassigned Medicare billing, Indiana enrollment
- 211 clinicians in this Medicare group
La Porte, IN 46350
- Reassigned Medicare billing, Indiana enrollment
- 39 clinicians in this Medicare group
La Porte, IN 46350
- Reassigned Medicare billing, Indiana enrollment
- 141 clinicians in this Medicare group
Michigan City, IN 46360
- Reassigned Medicare billing, Indiana enrollment
- 49 clinicians in this Medicare group
Van Wert, OH 45891
- Reassigned Medicare billing, Indiana enrollment
- 100 clinicians in this Medicare group
Alma, MI 48801
- Reassigned Medicare billing, Michigan enrollment
- 62 clinicians in this Medicare group
Terre Haute, IN 47804
- Reassigned Medicare billing, Indiana enrollment
- 166 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Indiana enrollment
- 57 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46514 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ELKHART, IN 46514
ELKHART, IN 46514
ELKHART, IN 46514
ELKHART, IN 46514
ELKHART, IN 46514
ELKHART, IN 46514
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 John Retzloff's NPI number?
The NPI number for John Retzloff is 1881822039. It was assigned to this individual provider in the NPPES registry on June 26, 2009.
Where is John Retzloff located?
John Retzloff practices at 500 N Nappanee St Suite 11B, Elkhart, IN 46514. The listed phone number is (574) 522-9922.
What is John Retzloff's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Retzloff enrolled in Medicare?
Yes. John Retzloff 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 John Retzloff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Retzloff reassigns Medicare benefits to 10 organizations: Sda Consultants PLLC (Elkhart, IN), Great Lakes Anesthesia, P.C. (Elkhart, IN), The South Bend Clinic, LLC (South Bend, IN), Centers For Pain Control, Inc (La Porte, IN), Jebs Anesthesia Consultants, LLC (La Porte, IN) and 5 more organizations, listed in the Medicare section above. 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 John Retzloff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Retzloff accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource list John Retzloff 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.
When was this NPI record last updated?
The NPPES record for John Retzloff was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# John J Retzloff, CRNA · NPI 1881822039
Nurse Anesthetist, Certified Registered physician in Elkhart, Indiana. Individual provider, active in the CMS NPPES registry since June 26, 2009.
## Identity
- **NPI:** 1881822039 (Entity type: Individual)
- **Enumerated:** June 26, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 28146650A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 500 N NAPPANEE ST, SUITE 11B, Elkhart, IN 46514-1503
- **Phone:** (574) 522-9922 · **Fax:** (574) 522-9926
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Sda Consultants PLLC (NPI 1336605500, Elkhart, IN); Great Lakes Anesthesia, P.C. (NPI 1720039977, Elkhart, IN); The South Bend Clinic, LLC (NPI 1487307492, South Bend, IN); Centers For Pain Control, Inc (NPI 1790920452, La Porte, IN); Jebs Anesthesia Consultants, LLC (NPI 1790447761, La Porte, IN); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** April 21, 2026
- **Other identifiers:** Medicaid 200951450 (IN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1881822039) · Data from the CMS NPPES public registry.