NPPES file of Aug 9, 2026

Alexander Somers, DO

Pulmonary Disease Physician · Tucson, AZ

Alexander Somers, DO is a pulmonary disease physician with a practice address in Tucson, Arizona, and NPI 1306425582, issued on Apr 6, 2021. Check the license (Arizona R3771, as entered in NPPES) on the Arizona 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
1306425582
Name
Alexander Somers
Credential
DO
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
R3771 AZ
5151015032 MI
Self-reported in NPPES; status is on the state search
Practice location
1501 N Campbell Ave, Tucson, AZ 85724
Phone
(520) 694-8888
Enumerated
Apr 6, 2021
Record last updated
Jul 2, 2025
Fax
(520) 694-2353
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1501 N Campbell Ave

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

  1. Alexa Aaronson, MDPediatrics Physician1427793652
  2. Mohammed Abbas, MDOrthopaedic Surgery Physician1003437872
  3. Josephine Acuna, M.DEmergency Medicine Physician1710325287
  4. Rodney Adam, MDInfectious Disease Physician1548249485
  5. Matthew Adams, D.O.Infectious Disease Physician1578941720
  6. Elana Addis, M.DObstetrics & Gynecology Physician1730150582

Verify Alexander Somers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license R3771
    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 Arizona 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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79% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

306 Medicare Part D claims for 92 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Alexander Somers306
  2. Specialty average1,425

Most prescribed

  1. Amlodipine Besylate32 claims
  2. Lisinopril21 claims
  3. Atorvastatin Calcium17 claims
  4. Metformin Hcl13 claims
  5. Pantoprazole Sodium11 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.

Alexander Somers among 285 pulmonary disease physician records in Arizona

Alexander Somers, DO is one of 285 pulmonary disease physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 96% of them.

  • NPI issued2021 · 96% of these records are older, 3% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Arizona

There are 285 pulmonary disease physician records in Arizona.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Billie Bixby, M.D.Tucson, AZ 857241770801938
  2. John Bloom, MDTucson, AZ 857241659343390
  3. Sammy Campbell, MDTucson, AZ 857241023081288
  4. Ahmed Tammer El-Aini, M.D.Tucson, AZ 857241942407101
  5. Martha Gallegos, MDTucson, AZ 857241427686013
  6. James Knepler, M.D.Tucson, AZ 857241336105311
  7. Steven Knoper, MDTucson, AZ 857241427157718
  8. Kenneth Knox, M.D.Tucson, AZ 857241154386118

Common questions

What is Alexander Somers, DO's NPI number?

Alexander Somers, DO's National Provider Identifier (NPI) is 1306425582, issued on Apr 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Somers, DO located?

The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 694-8888. Providers update this record themselves, so call before visiting.

How can I verify Alexander Somers, DO's license?

NPPES lists Arizona license number R3771, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexander Somers, DO prescribe under Medicare Part D?

In 2024, Alexander Somers, DO had 306 Medicare Part D claims for 92 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.