NPPES file of Aug 9, 2026

Mark Larsen, DMD

General Practice Dentistry · Tucson, AZ

Mark Larsen, DMD is a general practice dentistry with a practice address in Tucson, Arizona, and NPI 1417110016, issued on Jul 3, 2008. Check the license (Arizona 7536, as entered in NPPES) with the Arizona board that licenses this profession; 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
1417110016
Name
Mark Larsen
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
7536 AZ
Self-reported in NPPES; status is on the state search
Practice location
3773 W Ina RD Ste 180, Tucson, AZ 85741
Phone
(520) 579-8166
Enumerated
Jul 3, 2008
Record last updated
Jul 3, 2008 (not updated in 18 years: call before relying on the address or phone)
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 3773 W Ina RD Ste 180

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

  1. Debapriya Biswas, DDSGeneral Practice Dentistry1033006606

Verify Mark Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 7536
    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
Find 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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37% fewer Medicare Part D claims than the average general practice dentistry in 2024

52 Medicare Part D claims for 45 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Mark Larsen52
  2. Specialty average83

Most prescribed

  1. Amoxicillin23 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.

Mark Larsen among 2,482 general practice dentistry records in Arizona

Mark Larsen, DMD is one of 2,482 general practice dentistry records with a practice address in Arizona. 65% 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 57% of them.

  • NPI issued2008 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2008 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

323 general practice dentistry records list a practice address in Tucson

They are 323 of the 18,788 NPPES records with a practice address in Tucson, and 2,482 general practice dentistry records in Arizona.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jesse Brewer, DDSTucson, AZ 857411679565618
  2. R Burrows, DDSTucson, AZ 857411740379346
  3. Bryan Foulk, DMDTucson, AZ 857411568454726
  4. Bonjung Koo, D.D.S.Tucson, AZ 857411154489870
  5. David Kushner, DDSTucson, AZ 857411265535280
  6. Radd Lukas, D.D.S.Tucson, AZ 857411831129428
  7. Pierre Martin, DDSTucson, AZ 857411427144328
  8. Hossain Nasry, DDSTucson, AZ 857411366510968

Common questions

What is Mark Larsen, DMD's NPI number?

Mark Larsen, DMD's National Provider Identifier (NPI) is 1417110016, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mark Larsen, DMD located?

The NPPES record lists a practice address at 3773 W Ina RD Ste 180, Tucson, AZ, 85741. Phone: (520) 579-8166. Providers update this record themselves, so call before visiting.

How can I verify Mark Larsen, DMD's license?

NPPES lists Arizona license number 7536, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Larsen, DMD prescribe under Medicare Part D?

In 2024, Mark Larsen, DMD had 52 Medicare Part D claims for 45 beneficiaries; the average among general practice dentistry prescribers was 83. 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.