NPPES file of Aug 9, 2026

Dennis L. Thrasher, MD

Occupational Medicine Physician · Tucson, AZ

Dennis L. Thrasher, MD is an occupational medicine physician with a practice address in Tucson, Arizona, and NPI 1861451379, issued on Mar 22, 2006. Check the license (Arizona 14136, 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
1861451379
Name
Dennis L. Thrasher
Credential
MD
Primary taxonomy
Occupational Medicine Physician 2083X0100X
License number
14136 AZ
Self-reported in NPPES; status is on the state search
Practice location
3681 S Palo Verde RD, Tucson, AZ 85713
Phone
(520) 750-8855
Enumerated
Mar 22, 2006
Record last updated
Aug 21, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(520) 750-9703
Medicare enrollment
Enrolled (PECOS I20051005001271); may accept Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 1982
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 3681 S Palo Verde RD

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

  1. John Hitt, M.D.Occupational Medicine Physician1174629307
  2. Leigh Thrasher, M.S.Counselor1457592750

Verify Dennis L. Thrasher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 14136
    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

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71% fewer Medicare Part D claims than the average occupational medicine physician in 2024

230 Medicare Part D claims for 22 beneficiaries, against an average of 794 among the 463 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 49 claims were for opioids.

  1. Dennis Thrasher230
  2. Specialty average794

Most prescribed

  1. Hydrocodone-Acetaminophen24 claims
  2. Amlodipine Besylate14 claims
  3. Levothyroxine Sodium14 claims
  4. Tramadol Hcl13 claims
  5. Gabapentin12 claims
  6. Metformin Hcl12 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.

Dennis L. Thrasher among 56 occupational medicine physician records in Arizona

Dennis L. Thrasher, MD is one of 56 occupational medicine physician records with a practice address in Arizona. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 21% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Record last updated2012 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Medicine Physician providers in Arizona

There are 56 occupational medicine physician records in Arizona.

The 8 occupational medicine physician records with the nearest ZIP codes

  1. John Hitt, M.D.Tucson, AZ 857131174629307
  2. Thomas Futch, M.D.Tucson, AZ 857141891848446
  3. Robert Gavlak, M.D.Tucson, AZ 857141881719615
  4. Carol Hutchinson, DOTucson, AZ 857141992963649
  5. John McCracken, D.O.Tucson, AZ 857141538283866
  6. Wayne Peate, MDTucson, AZ 857121649312224
  7. Russell Simbari, MDTucson, AZ 857141134139074
  8. Stephen Krasner, M.D.Tucson, AZ 857111790807493

Common questions

What is Dennis L. Thrasher, MD's NPI number?

Dennis L. Thrasher, MD's National Provider Identifier (NPI) is 1861451379, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis L. Thrasher, MD located?

The NPPES record lists a practice address at 3681 S Palo Verde RD, Tucson, AZ, 85713. Phone: (520) 750-8855. Providers update this record themselves, so call before visiting.

How can I verify Dennis L. Thrasher, MD's license?

NPPES lists Arizona license number 14136, 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 Dennis L. Thrasher, MD prescribe under Medicare Part D?

In 2024, Dennis L. Thrasher, MD had 230 Medicare Part D claims for 22 beneficiaries; the average among occupational medicine physician prescribers was 794. 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.