Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Matthew Larkin Dunn, MD

Individual provider Internal Medicine Physician · NPI 1508068495

Dr. Matthew Larkin Dunn, MD is a Hospitalist in Flagstaff, Arizona. Graduated from University of Maryland School of Medicine in 2007, 19 years ago. Practices with Aspen Valley Hospital District, a 39-clinician group and accepts Medicare assignment. Licensed in Arizona and Delaware.

Years since qualifying
19
Trained at
University of Maryland School of Medicine
Licensed in
AZ, DE
In the registry since
2007
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 N Beaver St
Flagstaff, AZ 86001
Phone: (928) 214-2920
Fax: (928) 214-2925
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 44564 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 44564 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence C7-0003789 (DE)
Pediatrics Physician Taxonomy 208000000X · Licence 44564 (AZ)
Pediatrics Physician Taxonomy 208000000X · Licence C7-0003789 (DE)

Record details

NPI number1508068495
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2007
Last updated in NPPESMarch 30, 2021
Certification dateMarch 30, 2021
Mailing address1200 N Beaver St, Flagstaff, AZ 86001-3118

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Aspen Valley Hospital District — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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