D K. Mortensen, D.O.
Anesthesiology Physician · Fort Collins, CO
D K. Mortensen, D.O. is an anesthesiology physician with a practice address in Fort Collins, Colorado, and NPI 1356555775, issued on May 9, 2007. Check the license (Colorado DR.0053822, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- D K. Mortensen
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- DR.0053822 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1236 E Elizabeth St, Fort Collins, CO 80524
- Phone
- (970) 224-2985
- Enumerated
- May 9, 2007
- Record last updated
- Jan 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid IDs
- 137456700 WY
90002075 CO - Medicare enrollment
- Enrolled (PECOS I20141017000446); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2006
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,202 in Colorado → Look up another NPI →
Also registered at 1236 E Elizabeth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Adams, MDAnesthesiology Physician1154448611
- Richard Alessi, M.D.Anesthesiology Physician1063409860
- Ian Anderson, M.D.Anesthesiology Physician1629277678
- Brook Arnold, M.D.Anesthesiology Physician1235369927
- Derick Beiswanger, CRNACertified Registered Nurse Anesthetist1952728297
- Richard Bindseil, D.O.Anesthesiology Physician1003850165
Verify D K. Mortensen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0053822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Northern Colorado Anesthesia Professionals PLLCLafayette, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
D K. Mortensen among 1,202 anesthesiology physician records in Colorado
D K. Mortensen, D.O. 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
- Graduated2006 · median 2006 among the 824 with a school on file
- Record last updated2015 · 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 Fort Collins → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Richard Alessi, M.D.Fort Collins, CO 805241063409860
- Russell Bobo, M.D.Fort Collins, CO 805241972591733
- Marylida Carline, M.D.Fort Collins, CO 805241225026099
- Thomas Cochran, M.D.Fort Collins, CO 805241154319879
- Michael Deringer, M.D.Fort Collins, CO 805241386632156
- James Derrisaw, M.D.Fort Collins, CO 805241710975586
- Duane Dunn, M.D.Fort Collins, CO 805241033107818
- Troy Ford, M.D.Fort Collins, CO 805241477541258
Common questions
What is D K. Mortensen, D.O.'s NPI number?
D K. Mortensen, D.O.'s National Provider Identifier (NPI) is 1356555775, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is D K. Mortensen, D.O. located?
The NPPES record lists a practice address at 1236 E Elizabeth St, Fort Collins, CO, 80524. Phone: (970) 224-2985. Providers update this record themselves, so call before visiting.
How can I verify D K. Mortensen, D.O.'s license?
NPPES lists Colorado license number DR.0053822, 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.