NPPES file of Aug 9, 2026

Joseph M. Mortensen, MD

Anesthesiology Physician · Nampa, ID

Joseph M. Mortensen, MD is an anesthesiology physician with a practice address in Nampa, Idaho, and NPI 1942461850, issued on Jun 23, 2008. Check the license (Idaho M-11657, as entered in NPPES) on the Idaho Board of Medicine; 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
1942461850
Name
Joseph M. Mortensen
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
M-11657 ID
Self-reported in NPPES; status is on the state search
Practice location
1512 12TH Ave RD, Nampa, ID 83686
Phone
(866) 263-1223
Enumerated
Jun 23, 2008
Record last updated
Sep 11, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(208) 463-5081
Medicaid ID
1942461850 ID
Medicare enrollment
Enrolled (PECOS I20120814000262); accepts Medicare assignment
Medical or professional school
University Of Utah 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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8 nearest anesthesiology physician records → All 121 in Idaho → Look up another NPI →

Also registered at 1512 12TH Ave RD

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

  1. Randall Black, D.O.Anesthesiology Physician1922028083
  2. Michael Decker, MDAnesthesiology Physician1174511406
  3. James Ineck, PHARMDPharmacist1275772758
  4. Eric Kendall, MDEmergency Medicine Physician1386674976
  5. Joseph Kronz, M.D.Anatomic Pathology & Clinical Pathology Physician1831135581
  6. Mitchell Long, DOEmergency Medicine Physician1760405534

Verify Joseph M. Mortensen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M-11657    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 Idaho 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. Anesthesia Associates OF Boise, P.A.Boise, ID

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

Joseph M. Mortensen among 121 anesthesiology physician records in Idaho

Joseph M. Mortensen, MD is one of 121 anesthesiology physician records with a practice address in Idaho. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 79% of them.

  • NPI issued2008 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2008 · median 2003 among the 68 with a school on file
  • Record last updated2012 · 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Idaho

There are 121 anesthesiology physician records in Idaho.

All 121 in Idaho → Every provider in Nampa → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Randall Black, D.O.Nampa, ID 836861922028083
  2. Michael Decker, MDNampa, ID 836861174511406
  3. Ryan Mecham, MDNampa, ID 836861255423265
  4. Christopher Pierce, DONampa, ID 836861285623876
  5. Curtis Rigby, D.O.Nampa, ID 836861821200742
  6. Steve Roberts, MDNampa, ID 836861013905355
  7. Shawn States, M.D.Nampa, ID 836861144312182
  8. Matthew Wood, MDNampa, ID 836861053481531

Common questions

What is Joseph M. Mortensen, MD's NPI number?

Joseph M. Mortensen, MD's National Provider Identifier (NPI) is 1942461850, issued on Jun 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joseph M. Mortensen, MD located?

The NPPES record lists a practice address at 1512 12TH Ave RD, Nampa, ID, 83686. Phone: (866) 263-1223. Providers update this record themselves, so call before visiting.

How can I verify Joseph M. Mortensen, MD's license?

NPPES lists Idaho license number M-11657, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. 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.