NPPES file of Aug 9, 2026

Michael A. Deringer, M.D.

Anesthesiology Physician · Fort Collins, CO

Michael A. Deringer, M.D. is an anesthesiology physician with a practice address in Fort Collins, Colorado, and NPI 1386632156, issued on Oct 6, 2005. Check the license (Colorado DR.0028807, as entered in NPPES) on the Colorado Medical Board; 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
1386632156
Name
Michael A. Deringer
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
DR.0028807 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
Oct 6, 2005
Record last updated
Jun 6, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(970) 472-9381
Medicaid IDs
100938900 WY
01288075 CO
Medicare enrollment
Enrolled (PECOS I20100921001426); accepts Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1984
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.
Download card Updates feed

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.

  1. Ryan Adams, MDAnesthesiology Physician1154448611
  2. Richard Alessi, M.D.Anesthesiology Physician1063409860
  3. Ian Anderson, M.D.Anesthesiology Physician1629277678
  4. Brook Arnold, M.D.Anesthesiology Physician1235369927
  5. Derick Beiswanger, CRNACertified Registered Nurse Anesthetist1952728297
  6. Richard Bindseil, D.O.Anesthesiology Physician1003850165

Verify Michael A. Deringer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0028807    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Nadora Anesthesia LLCJohnstown, CO

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

Michael A. Deringer among 1,202 anesthesiology physician records in Colorado

Michael A. Deringer, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1984 · median 2006 among the 824 with a school on file
  • Record last updated2013 · 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

  1. Richard Alessi, M.D.Fort Collins, CO 805241063409860
  2. Russell Bobo, M.D.Fort Collins, CO 805241972591733
  3. Marylida Carline, M.D.Fort Collins, CO 805241225026099
  4. Thomas Cochran, M.D.Fort Collins, CO 805241154319879
  5. James Derrisaw, M.D.Fort Collins, CO 805241710975586
  6. Duane Dunn, M.D.Fort Collins, CO 805241033107818
  7. Troy Ford, M.D.Fort Collins, CO 805241477541258
  8. Kathleen Hodges, M.D.Fort Collins, CO 805241215925003

Common questions

What is Michael A. Deringer, M.D.'s NPI number?

Michael A. Deringer, M.D.'s National Provider Identifier (NPI) is 1386632156, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Deringer, M.D. 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 Michael A. Deringer, M.D.'s license?

NPPES lists Colorado license number DR.0028807, 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.

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.