NPPES file of Aug 9, 2026

Eric Brian Fox, M.D.

Anesthesiology Physician · Missoula, MT

Eric Brian Fox, M.D. is an anesthesiology physician with a practice address in Missoula, Montana, and NPI 1558789867, issued on Apr 3, 2014. Check the license (Montana MED-PHYS-LIC-67087, as entered in NPPES) on the Montana Board of Medical Examiners; 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
1558789867
Name
Eric Brian Fox
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MED-PHYS-LIC-67087 MT
Self-reported in NPPES; status is on the state search
Practice location
500 W Broadway St, Missoula, MT 59802
Phone
(406) 543-7271
Enumerated
Apr 3, 2014
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20181025000083); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2013
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 227 in Montana → Look up another NPI →

Also registered at 500 W Broadway St

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

  1. Travis Abicht, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1033239835
  2. Charles Acher, MDColon & Rectal Surgery Physician1033472519
  3. Ryan Adams, MDInternal Medicine Physician1790952653
  4. Bodee Alt, APRNFamily Nurse Practitioner1174993703
  5. Casey Ambrose, MDEmergency Medicine Physician1669892576
  6. Rebecca Anderson, MDInternal Medicine Physician1437173440

Verify Eric Brian Fox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license MED-PHYS-LIC-67087    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 Montana 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. Missoula Anesthesiology PCMissoula, MT

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

Eric Brian Fox among 227 anesthesiology physician records in Montana

Eric Brian Fox, M.D. is one of 227 anesthesiology physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2013 · median 2006 among the 167 with a school on file
  • Record last updated2022 · 59% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 anesthesiology physician records list a practice address in Missoula

They are 63 of the 3,567 NPPES records with a practice address in Missoula, and 227 anesthesiology physician records in Montana.

All 227 in Montana → Every provider in Missoula → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Deann Birnel, M.D.Missoula, MT 598021699765602
  2. Molly Brazil, MDMissoula, MT 598021295354280
  3. John Harris, MDMissoula, MT 598021912420845
  4. Tyler Jacobsen, MDMissoula, MT 598021205412038
  5. Owen Mayer, MDMissoula, MT 598021770143653
  6. Kelsey Walton, MDMissoula, MT 598021124655923
  7. Gerald Siemens, MDMissoula, MT 598031447505045
  8. Steven Roberts, DOMissoula, MT 598041760045702

Common questions

What is Eric Brian Fox, M.D.'s NPI number?

Eric Brian Fox, M.D.'s National Provider Identifier (NPI) is 1558789867, issued on Apr 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Eric Brian Fox, M.D. located?

The NPPES record lists a practice address at 500 W Broadway St, Missoula, MT, 59802. Phone: (406) 543-7271. Providers update this record themselves, so call before visiting.

How can I verify Eric Brian Fox, M.D.'s license?

NPPES lists Montana license number MED-PHYS-LIC-67087, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. 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.