NPPES file of Aug 9, 2026

Nathan Allen, M.D.

Emergency Medicine Physician · Billings, MT

Nathan Allen, M.D. is an emergency medicine physician with a practice address in Billings, Montana, and NPI 1356676878, issued on Oct 16, 2009. Check the license 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356676878
Name
Nathan Allen
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
N9997 TX
125052986 IL
Self-reported in NPPES; status is on the state search
Practice location
2800 10TH Ave N, Billings, MT 59101
Phone
(406) 238-2500
Enumerated
Oct 16, 2009
Record last updated
Feb 8, 2022
Medicare enrollment
Enrolled (PECOS I20150814012662); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2007
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 2800 10TH Ave N

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

  1. Ellen Absher, FNP-CFamily Nurse Practitioner1609709997
  2. Kimberly Ackerman, FNPAdult Health Nurse Practitioner1922032861
  3. Deborah Agnew, MDPediatrics Physician1134178072
  4. Stefan AlinteCertified Registered Nurse Anesthetist1518899053
  5. Erin Allen, MDPediatrics Physician1801052758
  6. Sasha Amiri, M.D., M.S., MPHNeonatal-Perinatal Medicine Physician1679137897

Verify Nathan Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical ExaminersCheck 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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54% fewer Medicare Part D claims than the average emergency medicine physician in 2024

103 Medicare Part D claims for 75 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Nathan Allen103
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 94.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nathan Allen among 243 emergency medicine physician records in Montana

Nathan Allen, M.D. is one of 243 emergency medicine 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 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2007 · median 2009 among the 144 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

44 emergency medicine physician records list a practice address in Billings

They are 44 of the 4,035 NPPES records with a practice address in Billings, and 243 emergency medicine physician records in Montana.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. James Bentler, MDBillings, MT 591011962435198
  2. James Boslough, MDBillings, MT 591011215960448
  3. James Buchan, MDBillings, MT 591011114950342
  4. Michael Bush, MDBillings, MT 591011609892397
  5. Barbara Curry, MDBillings, MT 591011649381203
  6. Corby Freitag, MDBillings, MT 591011376576504
  7. John Kominsky, MDBillings, MT 591011275566416
  8. Curtis Lee, MDBillings, MT 591011891718615

Common questions

What is Nathan Allen, M.D.'s NPI number?

Nathan Allen, M.D.'s National Provider Identifier (NPI) is 1356676878, issued on Oct 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Allen, M.D. located?

The NPPES record lists a practice address at 2800 10TH Ave N, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.

How can I verify Nathan Allen, M.D.'s license?

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.

How much does Nathan Allen, M.D. prescribe under Medicare Part D?

In 2024, Nathan Allen, M.D. had 103 Medicare Part D claims for 75 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Nathan Allen, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.