NPPES file of Aug 9, 2026

Nathan Hemmer, MD

Emergency Medicine Physician · Anchorage, AK

Nathan Hemmer, MD is an emergency medicine physician with a practice address in Anchorage, Alaska, and NPI 1144450107, issued on Jul 23, 2009. Check the license (Alaska 7491, as entered in NPPES) on the Alaska State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144450107
Name
Nathan Hemmer
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
7491 AK
MD443577 PA
Self-reported in NPPES; status is on the state search
Practice location
4315 Diplomacy Dr, Anchorage, AK 99508
Phone
(907) 729-1729
Enumerated
Jul 23, 2009
Record last updated
Aug 7, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190819001813); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 2009
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 4315 Diplomacy Dr

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

  1. Allyssa Abel, MDEmergency Medicine Physician1235715251
  2. James Akers, PTPhysical Therapist1063559847
  3. Katherine Alexander, PA-CPhysician Assistant1770201329
  4. Mary Anderson, M.D.Pediatrics Physician1912385840
  5. Staci AndrewsCase Manager/Care Coordinator1568021905
  6. Kelly Arkell, FNPFamily Nurse Practitioner1710498845

Verify Nathan Hemmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlaska State Medical Board
    Search for license 7491
    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 Alaska 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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65% fewer Medicare Part D claims than the average emergency medicine physician in 2024

79 Medicare Part D claims for 63 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Nathan Hemmer79
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Copley Hospital IncMorrisville, VT

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

Nathan Hemmer among 183 emergency medicine physician records in Alaska

Nathan Hemmer, MD is one of 183 emergency medicine physician records with a practice address in Alaska. 79% 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 53% of them.

  • NPI issued2009 · 53% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2009 · median 2012 among the 100 with a school on file
  • Record last updated2014 · 50% 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 Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Alaska

There are 183 emergency medicine physician records in Alaska.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Sami Ali, MDAnchorage, AK 995081265429211
  2. Susan Dietz, MDAnchorage, AK 995081902893951
  3. John Hall, MDAnchorage, AK 995081003803222
  4. Meganne Hendricks, MDAnchorage, AK 995081861489072
  5. Vincent Imbriani, MDAnchorage, AK 995081457340739
  6. Matthew Madden, MDAnchorage, AK 995081932197142
  7. Clifford Merchant, MDAnchorage, AK 995081730176942
  8. Frank Moore, MDAnchorage, AK 995081104812825

Common questions

What is Nathan Hemmer, MD's NPI number?

Nathan Hemmer, MD's National Provider Identifier (NPI) is 1144450107, issued on Jul 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Hemmer, MD located?

The NPPES record lists a practice address at 4315 Diplomacy Dr, Anchorage, AK, 99508. Phone: (907) 729-1729. Providers update this record themselves, so call before visiting.

How can I verify Nathan Hemmer, MD's license?

NPPES lists Alaska license number 7491, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathan Hemmer, MD prescribe under Medicare Part D?

In 2024, Nathan Hemmer, MD had 79 Medicare Part D claims for 63 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.