NPPES file of Aug 9, 2026

Cynthia K. Rau-Sobotka, CRNA

Certified Registered Nurse Anesthetist · Denver, CO

Cynthia K. Rau-Sobotka, CRNA is a certified registered nurse anesthetist with a practice address in Denver, Colorado, and NPI 1699746107, issued on Feb 1, 2006. Check the license (Colorado 79222, as entered in NPPES) with the Colorado 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
1699746107
Name
Cynthia K. Rau-Sobotka
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
79222 CO
Self-reported in NPPES; status is on the state search
Practice location
4231 W 16TH Ave, Denver, CO 80204
Phone
(719) 537-0712
Enumerated
Feb 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(719) 537-6284
Medicaid ID
17573882 CO
Medicare enrollment
Enrolled (PECOS I20111109000625); 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 867 in Colorado → Look up another NPI →

Also registered at 4231 W 16TH Ave

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

  1. Cecilia Bain, PT, DPTPhysical Therapist1801021381
  2. Cari Berget, RNRegistered Nurse1982820684
  3. Barbara Bronson, RNCase Management Registered Nurse1598981292
  4. Traca CagleMaternal Newborn Registered Nurse1750542593
  5. Chris Celechovsky, M.D.Anesthesiology Physician1144487687
  6. James Charles, CRNACertified Registered Nurse Anesthetist1437192887

Verify Cynthia K. Rau-Sobotka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 79222    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 Colorado 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. Diehl Anesthesia IncLongmont, CO

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

Cynthia K. Rau-Sobotka among 867 certified registered nurse anesthetist records in Colorado

Cynthia K. Rau-Sobotka, CRNA is one of 867 certified registered nurse anesthetist records with a practice address in Colorado. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 70% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1992 · median 2014 among the 646 with a school on file
  • Record last updated2007 · 51% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Colorado

There are 867 certified registered nurse anesthetist records in Colorado.

All 867 in Colorado → Every provider in Denver → Certified Registered Nurse Anesthetist nationwide →

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

  1. John Bradley, CRNADenver, CO 802041437174752
  2. James Charles, CRNADenver, CO 802041437192887
  3. Brad Feldaverd, CRNADenver, CO 802041093764490
  4. Anna IannelloDenver, CO 802041306861547
  5. James JonesDenver, CO 802041013948496
  6. Beth Laber, CRNADenver, CO 802041699721340
  7. Dana MarjomakiDenver, CO 802041659303048
  8. Dan Miller, CRNADenver, CO 802041104857580

Common questions

What is Cynthia K. Rau-Sobotka, CRNA's NPI number?

Cynthia K. Rau-Sobotka, CRNA's National Provider Identifier (NPI) is 1699746107, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia K. Rau-Sobotka, CRNA located?

The NPPES record lists a practice address at 4231 W 16TH Ave, Denver, CO, 80204. Phone: (719) 537-0712. Providers update this record themselves, so call before visiting.

How can I verify Cynthia K. Rau-Sobotka, CRNA's license?

NPPES lists Colorado license number 79222, as entered by the provider. Search the Colorado 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.