Cyrus A. Mirshab, MD
Anesthesiology Physician · Louisville, CO
Cyrus A. Mirshab, MD is an anesthesiology physician with a practice address in Louisville, Colorado, and NPI 1720118573, issued on Mar 7, 2007. Check the license (Colorado 39165, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cyrus A. Mirshab
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 39165 CO
Self-reported in NPPES; status is on the state search - Practice location
- 238 Clementina St, Louisville, CO 80027
- Phone
- (303) 521-6278
- Enumerated
- Mar 7, 2007
- Record last updated
- Apr 27, 2023
- Medicaid ID
- 54380243 CO
- Medicare enrollment
- Enrolled (PECOS I20241004003225); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1998
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,202 in Colorado → Look up another NPI →
Verify Cyrus A. Mirshab in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 39165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2 hospitals and group practices
- Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
- Boulder Valley Anesthesiology, PLLCBoulder, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cyrus A. Mirshab among 1,202 anesthesiology physician records in Colorado
Cyrus A. Mirshab, MD is one of 1,202 anesthesiology physician records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 39% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2006 among the 824 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Colorado
There are 1,202 anesthesiology physician records in Colorado.
All 1,202 in Colorado → Every provider in Louisville → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Arthur Cabrera, MDLouisville, CO 800271851344105
- Clint Farris, M.D.Louisville, CO 800271437294188
- Darrell Nivens, MDLouisville, CO 800271518916428
- David Ransom, MDLouisville, CO 800271053361394
- David Raphael, M.D.Louisville, CO 800271760405708
- Dana Smith, M.D.Superior, CO 800271801866207
- Lief Sorensen, MDSuperior, CO 800271770639452
- Michael Spector, M.D.Superior, CO 800271861695868
Common questions
What is Cyrus A. Mirshab, MD's NPI number?
Cyrus A. Mirshab, MD's National Provider Identifier (NPI) is 1720118573, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cyrus A. Mirshab, MD located?
The NPPES record lists a practice address at 238 Clementina St, Louisville, CO, 80027. Phone: (303) 521-6278. Providers update this record themselves, so call before visiting.
How can I verify Cyrus A. Mirshab, MD's license?
NPPES lists Colorado license number 39165, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.