NPPES file of Aug 9, 2026

Callana Fox, MD

Anesthesiology Physician · Greeley, CO

Callana Fox, MD is an anesthesiology physician with a practice address in Greeley, Colorado, and NPI 1154857704, issued on May 2, 2017. Check the license (Colorado DR.0068537, 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
1154857704
Name
Callana Fox
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
DR.0068537 CO
Self-reported in NPPES; status is on the state search
Practice location
1801 16TH St, Greeley, CO 80631
Phone
(970) 810-4121
Enumerated
May 2, 2017
Record last updated
Aug 7, 2022
Medicare enrollment
Enrolled (PECOS I20220725001663); 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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8 nearest anesthesiology physician records → All 1,202 in Colorado → Look up another NPI →

Also registered at 1801 16TH St

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

  1. Costa AlimonosInternal Medicine Physician1235670712
  2. Rodger Anders, PA-CPhysician Assistant1710956917
  3. Renee Anderson, CRNACertified Registered Nurse Anesthetist1457339848
  4. Adrien Arling, PA-CSurgical Physician Assistant1255907382
  5. Sydney Aronson, MSPAS, PA-CSurgical Physician Assistant1376000653
  6. Ronald Baars, PHARMDPharmacist1649252867

Verify Callana Fox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0068537    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. Rocky Mountain State Anesthesia ProvidersGreeley, CO

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

Callana Fox among 1,202 anesthesiology physician records in Colorado

Callana Fox, 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 2017, is newer than 86% of them.

  • NPI issued2017 · 86% of these records are older, 12% 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 updated2022 · 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 Greeley → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Vicki Callahan, MDGreeley, CO 806311073669669
  2. Gregory Campbell, M.D.Greeley, CO 806311598116337
  3. Owen Dry, MDGreeley, CO 806311437102555
  4. Mark Faszholz, MDGreeley, CO 806311982683744
  5. Robert Hagebak, MDGreeley, CO 806311861421430
  6. Brian Hamberg, DOGreeley, CO 806311750888343
  7. David Hufnagel, M.D.Greeley, CO 806311982743357
  8. Jonathan Lord, DOGreeley, CO 806311164471009

Common questions

What is Callana Fox, MD's NPI number?

Callana Fox, MD's National Provider Identifier (NPI) is 1154857704, issued on May 2, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Callana Fox, MD located?

The NPPES record lists a practice address at 1801 16TH St, Greeley, CO, 80631. Phone: (970) 810-4121. Providers update this record themselves, so call before visiting.

How can I verify Callana Fox, MD's license?

NPPES lists Colorado license number DR.0068537, 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.