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

Dr. Holly Geyer, MD

Individual provider Internal Medicine Physician · NPI 1659539609

Dr. Holly Geyer, MD is a Hospitalist in Scottsdale, Arizona. Graduated from University of North Dakota School of Medicine in 2008, 18 years ago. Practices with Mayo Clinic Arizona, a 1,616-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
18
Trained at
University of North Dakota School of Medicine
Licensed in
AZ
In the registry since
2008
Specialties on file
2
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

13400 E Shea Blvd
Scottsdale, AZ 85259
Phone: (480) 301-8000
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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 42175 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 42175 (AZ)

Record details

NPI number1659539609
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 27, 2008
Last updated in NPPESOctober 7, 2020
Certification dateOctober 7, 2020

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Mayo Clinic Arizona — 1616 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients136
Services billed 228 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Mayo Clinic Hospital Hospital · Phoenix, AZ

Colleagues at Mayo Clinic Arizona

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1616 clinicians in the practice; 12 are shown here.

Other providers in Scottsdale