NPPES file of Aug 9, 2026

Brook N. Arnold, M.D.

Anesthesiology Physician · Fort Collins, CO

Brook N. Arnold, M.D. is an anesthesiology physician with a practice address in Fort Collins, Colorado, and NPI 1235369927, issued on Jul 16, 2009. Check the license (Colorado DR.0052352, 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
1235369927
Name
Brook N. Arnold
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
DR.0052352 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
Jul 16, 2009
Record last updated
Jun 17, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid IDs
75571382 CO
136379400 WY
84143963013 NE
Medicare enrollment
Enrolled (PECOS I20131007000212); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2008
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 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. Derick Beiswanger, CRNACertified Registered Nurse Anesthetist1952728297
  5. Richard Bindseil, D.O.Anesthesiology Physician1003850165
  6. Russell Bobo, M.D.Anesthesiology Physician1972591733

Verify Brook N. Arnold in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0052352    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. Northern Colorado Anesthesia Professionals PLLCFort Collins, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 →

Other anesthesiology physician records in Colorado

  1. Benjamin Aakre, MDAurora, CO1407140395
  2. Richard Abbott, MDGreenwood Village, CO1508839333
  3. James Abercrombie, MDColorado Springs, CO1184204711
  4. Benjamin Abrams, MDAurora, CO1619316742
  5. Peter Abromaitis, M.D.Wheat Ridge, CO1205277449
  6. David Abts, M.D.Aurora, CO1598086118
  7. Henri Acosta, MDGreenwood Village, CO1114073798
  8. Ryan Adams, MDFort Collins, CO1154448611
  9. Aaron Adler, MDBoulder, CO1932738358
  10. Aalok Agarwala, MDAurora, CO1699801068

Common questions

What is Brook N. Arnold, M.D.'s NPI number?

Brook N. Arnold, M.D.'s National Provider Identifier (NPI) is 1235369927, issued on Jul 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Brook N. Arnold, 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 Brook N. Arnold, M.D.'s license?

NPPES lists Colorado license number DR.0052352, 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.