Douglas Retzer, CRNA
Certified Registered Nurse Anesthetist · Rapid City, SD
Douglas Retzer, CRNA is a certified registered nurse anesthetist with a practice address in Rapid City, South Dakota, and NPI 1376537803, issued on Sep 12, 2005. Check the license (South Dakota R028354, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Douglas Retzer
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- R028354 SD
Self-reported in NPPES; status is on the state search - Practice location
- 216 Anamaria Dr, Rapid City, SD 57701
- Phone
- (605) 721-0337
- Enumerated
- Sep 12, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (605) 721-0043
- Medicaid ID
- 5752503 SD
- Medicare enrollment
- Enrolled (PECOS I20070621000483); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 533 in South Dakota → Look up another NPI →
Also registered at 216 Anamaria Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Aarseth, MS, ATC, LATAthletic Trainer1700227717
- Nicholas Anderson, ATCAthletic Trainer1538900139
- Gary Brewer, CRNACertified Registered Nurse Anesthetist1427042944
- Matthew DavalosFamily Nurse Practitioner1043189277
- Abby Engle, FNP-CFamily Nurse Practitioner1528864758
- Dean Gibson, CRNACertified Registered Nurse Anesthetist1801881289
Verify Douglas Retzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license R028354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Black Hills Regional Eye Surgery Center LLCRapid City, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Retzer among 533 certified registered nurse anesthetist records in South Dakota
Douglas Retzer, CRNA is one of 533 certified registered nurse anesthetist records with a practice address in South Dakota. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1999 · median 2013 among the 372 with a school on file
- Record last updated2026 · 67% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
101 certified registered nurse anesthetist records list a practice address in Rapid City
They are 101 of the 3,017 NPPES records with a practice address in Rapid City, and 533 certified registered nurse anesthetist records in South Dakota.
All 533 in South Dakota → Every provider in Rapid City → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Gary Brewer, CRNARapid City, SD 577011427042944
- Dean Gibson, CRNARapid City, SD 577011801881289
- Barry Jones, CRNARapid City, SD 577011407836943
- Earl Kessel, CRNARapid City, SD 577011174563100
- Kara McMachen, CRNARapid City, SD 577011376523126
- Craig Nedved, CRNARapid City, SD 577011407841885
- Erin Retzer, CRNARapid City, SD 577011710971239
- Joel Schwiesow, CRNARapid City, SD 577011568456093
Common questions
What is Douglas Retzer, CRNA's NPI number?
Douglas Retzer, CRNA's National Provider Identifier (NPI) is 1376537803, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Retzer, CRNA located?
The NPPES record lists a practice address at 216 Anamaria Dr, Rapid City, SD, 57701. Phone: (605) 721-0337. Providers update this record themselves, so call before visiting.
How can I verify Douglas Retzer, CRNA's license?
NPPES lists South Dakota license number R028354, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
What is Douglas Retzer, CRNA's MIPS final score?
The 2023 MIPS final score is 85.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.