NPPES file of Aug 9, 2026

Brendan Patrick Keen, M.D.

Anesthesiology Physician · Greenwood Village, CO

Brendan Patrick Keen, M.D. is an anesthesiology physician with a practice address in Greenwood Village, Colorado, and NPI 1750724548, issued on Apr 10, 2013. Check the license (Colorado DR.0060057, 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
1750724548
Name
Brendan Patrick Keen
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
DR.0060057 CO
Self-reported in NPPES; status is on the state search
Practice location
8000 E Maplewood Ave, Greenwood Village, CO 80111
Phone
(303) 785-4700
Enumerated
Apr 10, 2013
Record last updated
Oct 29, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid ID
1750724548 CO
Medicare enrollment
Enrolled (PECOS I20210802003397); 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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Also registered at 8000 E Maplewood Ave

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

  1. Richard Abbott, MDAnesthesiology Physician1508839333
  2. Henri Acosta, MDAnesthesiology Physician1114073798
  3. Diane Brewer, CRNACertified Registered Nurse Anesthetist1952392540
  4. Nicholas BrungerAnesthesiology Physician1356755987
  5. Mary BurrellCertified Registered Nurse Anesthetist1245827575
  6. Nathaniel Dickerson, CRNA, DNPACertified Registered Nurse Anesthetist1275990418

Verify Brendan Patrick Keen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0060057
    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.

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Bills Medicare through one group practice

  1. Integrated Anesthesia Associates LLCMeriden, CT

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

Brendan Patrick Keen among 1,202 anesthesiology physician records in Colorado

Brendan Patrick Keen, 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 2013, is newer than 74% of them.

  • NPI issued2013 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2017 · median 2006 among the 824 with a school on file
  • Record last updated2018 · 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).

155 anesthesiology physician records list a practice address in Greenwood Village

They are 155 of the 2,654 NPPES records with a practice address in Greenwood Village, and 1,202 anesthesiology physician records in Colorado.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Marianne Bailliet, MDGreenwood Village, CO 801111417958141
  2. Bruce Baird, MDGreenwood Village, CO 801111033197272
  3. Glenn Bolton, MDGreenwood Village, CO 801111841279171
  4. Carl Boyd, M.D.Greenwood Village, CO 801111487642971
  5. Marc Gattiker, MDGreenwood Village, CO 801111457330581
  6. Liam McCarthy, M.D.Greenwood Village, CO 801111760482491
  7. Paul Miller, M.D.Greenwood Village, CO 801111255318366
  8. Ronald Minter, MDGreenwood Village, CO 801111578553731

Common questions

What is Brendan Patrick Keen, M.D.'s NPI number?

Brendan Patrick Keen, M.D.'s National Provider Identifier (NPI) is 1750724548, issued on Apr 10, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Brendan Patrick Keen, M.D. located?

The NPPES record lists a practice address at 8000 E Maplewood Ave, Greenwood Village, CO, 80111. Phone: (303) 785-4700. Providers update this record themselves, so call before visiting.

How can I verify Brendan Patrick Keen, M.D.'s license?

NPPES lists Colorado license number DR.0060057, 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.