NPPES file of Aug 9, 2026

Colby David Mahar

Certified Registered Nurse Anesthetist · Aberdeen, SD

Colby David Mahar is a certified registered nurse anesthetist with a practice address in Aberdeen, South Dakota, and NPI 1164221925, issued on Mar 12, 2025. Check the license (South Dakota CR001216, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164221925
Name
Colby David Mahar
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
CR001216 SD
Self-reported in NPPES; status is on the state search
Practice location
3015 3RD Ave SE, Aberdeen, SD 57401
Phone
(605) 226-5500
Enumerated
Mar 12, 2025
Record last updated
Jul 9, 2025
Medicare enrollment
Enrolled (PECOS I20250723001736); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest certified registered nurse anesthetist records → All 533 in South Dakota → Look up another NPI →

Also registered at 3015 3RD Ave SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shanna Anderson, CNPNurse Practitioner1669769998
  2. Breanne Anderson-Mueller, M.D.Obstetrics & Gynecology Physician1376771881
  3. Bisma Arbab, MDPediatrics Physician1134611866
  4. Spencer Arment, CNPFamily Nurse Practitioner1295477495
  5. Kevin Aston, DOEmergency Medicine Physician1457319121
  6. Shawn Bartel, MDPediatrics Physician1912077249

Verify Colby David Mahar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license CR001216    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Sanford Health NetworkVermillion, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Colby David Mahar among 533 certified registered nurse anesthetist records in South Dakota

Colby David Mahar 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 2025, is newer than 93% of them.

  • NPI issued2025 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2025 · median 2013 among the 372 with a school on file
  • Record last updated2025 · 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).

25 certified registered nurse anesthetist records list a practice address in Aberdeen

They are 25 of the 758 NPPES records with a practice address in Aberdeen, and 533 certified registered nurse anesthetist records in South Dakota.

All 533 in South Dakota → Every provider in Aberdeen → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Richard Bartl, CRNAAberdeen, SD 574011316018906
  2. Steven Beare, CRNAAberdeen, SD 574011407871023
  3. David Fischer, CRNAAberdeen, SD 574011093886665
  4. Nona Gab, CRNAAberdeen, SD 574011598848426
  5. Kristi Johnson-Eckrich, CRNAAberdeen, SD 574011598859365
  6. Rick Koehler, CRNAAberdeen, SD 574011891728671
  7. Ryan Kurtz, CRNAAberdeen, SD 574011891889622
  8. Eloy MalsomAberdeen, SD 574011073538609

Common questions

What is Colby David Mahar's NPI number?

Colby David Mahar's National Provider Identifier (NPI) is 1164221925, issued on Mar 12, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Colby David Mahar located?

The NPPES record lists a practice address at 3015 3RD Ave SE, Aberdeen, SD, 57401. Phone: (605) 226-5500. Providers update this record themselves, so call before visiting.

How can I verify Colby David Mahar's license?

NPPES lists South Dakota license number CR001216, as entered by the provider. Search the South Dakota 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.