John J. Retzloff, CRNA
Certified Registered Nurse Anesthetist · Elkhart, IN
John J. Retzloff, CRNA is a certified registered nurse anesthetist with a practice address in Elkhart, Indiana, and NPI 1881822039, issued on Jun 26, 2009. Check the license (Indiana 28146650A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John J. Retzloff
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 28146650A IN
Self-reported in NPPES; status is on the state search - Practice location
- 500 N Nappanee St, Elkhart, IN 46514
- Phone
- (574) 522-9922
- Enumerated
- Jun 26, 2009
- Record last updated
- Apr 21, 2026
- Fax
- (574) 522-9926
- Medicaid ID
- 200951450 IN
- Medicare enrollment
- Enrolled (PECOS I20090814000322); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 716 in Indiana → Look up another NPI →
Also registered at 500 N Nappanee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabriel Aldulescu, MDAnesthesiology Physician1477574689
- Dee Berry, CRNACertified Registered Nurse Anesthetist1821399197
- Christopher Brennan, CRNACertified Registered Nurse Anesthetist1780634253
- Renee Brookshire, CRNACertified Registered Nurse Anesthetist1699726646
- James Carr, CRNACertified Registered Nurse Anesthetist1740229087
- Peter Chant, MDAnesthesiology Physician1861430696
Verify John J. Retzloff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 28146650ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $32.42
1 payment: food and beverage; the largest payer was Avanos Medical. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Centers For Pain Control, IncLaporte, IN
- The South Bend Clinic LLCSouth Bend, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Retzloff among 716 certified registered nurse anesthetist records in Indiana
John J. Retzloff, CRNA is one of 716 certified registered nurse anesthetist records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 35% of them.
- NPI issued2009 · 35% of these records are older, 62% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2009 · median 2016 among the 569 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 certified registered nurse anesthetist records list a practice address in Elkhart
They are 68 of the 1,526 NPPES records with a practice address in Elkhart, and 716 certified registered nurse anesthetist records in Indiana.
All 716 in Indiana → Every provider in Elkhart → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Christopher Brennan, CRNAElkhart, IN 465141780634253
- Renee Brookshire, CRNAElkhart, IN 465141699726646
- James Carr, CRNAElkhart, IN 465141740229087
- Robert Colcord, CRNAElkhart, IN 465141356380562
- Patty Garlick, CRNAElkhart, IN 465141194796854
- Russell Hauge, CRNAElkhart, IN 465141619939501
- Scott Johns, CRNAElkhart, IN 465141659319408
- Judith Laudien, CRNAElkhart, IN 465141679527659
Common questions
What is John J. Retzloff, CRNA's NPI number?
John J. Retzloff, CRNA's National Provider Identifier (NPI) is 1881822039, issued on Jun 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John J. Retzloff, CRNA located?
The NPPES record lists a practice address at 500 N Nappanee St, Elkhart, IN, 46514. Phone: (574) 522-9922. Providers update this record themselves, so call before visiting.
How can I verify John J. Retzloff, CRNA's license?
NPPES lists Indiana license number 28146650A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.