Matthew Larkin Dunn, MD
Hospitalist Physician · Flagstaff, AZ
Matthew Larkin Dunn, MD is a hospitalist physician with a practice address in Flagstaff, Arizona, and NPI 1508068495, issued on Jun 3, 2007. Check the license (Arizona 44564, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Larkin Dunn
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 44564 AZ
C7-0003789 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N Beaver St, Flagstaff, AZ 86001
- Phone
- (928) 214-2920
- Enumerated
- Jun 3, 2007
- Record last updated
- Mar 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (928) 214-2925
- Medicaid ID
- 638692 AZ
- Medicare enrollment
- Enrolled (PECOS I20220511000669); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 775 in Arizona → Look up another NPI →
Also registered at 1200 N Beaver St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Muhammad Ali, MDCritical Care Medicine (Internal Medicine) Physician1801264353
- Kim AllenSpeech-Language Pathologist1356580484
- Bianca Anderson, MS, RDRegistered Dietitian1548609431
Verify Matthew Larkin Dunn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 44564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average hospitalist physician in 2024
88 Medicare Part D claims for 36 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 11 claims were for opioids.
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
- Aspen Valley Hospital DistrictAspen, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Larkin Dunn among 775 hospitalist physician records in Arizona
Matthew Larkin Dunn, MD is one of 775 hospitalist physician records with a practice address in Arizona. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 72% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2007 · median 2011 among the 618 with a school on file
- Record last updated2021 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 hospitalist physician records list a practice address in Flagstaff
They are 31 of the 2,419 NPPES records with a practice address in Flagstaff, and 775 hospitalist physician records in Arizona.
All 775 in Arizona → Every provider in Flagstaff → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jairo Castrolondono, MDFlagstaff, AZ 860011730239310
- Kathryn Feuquay, MDFlagstaff, AZ 860011689878530
- Derek Feuquay, M.D.Flagstaff, AZ 860011306040258
- Elizabeth Harding, M.D.Flagstaff, AZ 860011700871688
- Duane Lambert, MDFlagstaff, AZ 860011932137486
- Edward Markman, D.O.Flagstaff, AZ 860011033327119
- Matthew Rydberg, MDFlagstaff, AZ 860011649285446
- Donna Sassaman, MDFlagstaff, AZ 860011568429256
Common questions
What is Matthew Larkin Dunn, MD's NPI number?
Matthew Larkin Dunn, MD's National Provider Identifier (NPI) is 1508068495, issued on Jun 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Larkin Dunn, MD located?
The NPPES record lists a practice address at 1200 N Beaver St, Flagstaff, AZ, 86001. Phone: (928) 214-2920. Providers update this record themselves, so call before visiting.
How can I verify Matthew Larkin Dunn, MD's license?
NPPES lists Arizona license number 44564, 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 Matthew Larkin Dunn, MD prescribe under Medicare Part D?
In 2024, Matthew Larkin Dunn, MD had 88 Medicare Part D claims for 36 beneficiaries; the average among hospitalist physician prescribers was 521. 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.