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

David Merrill, DO

Individual provider Internal Medicine Physician · NPI 1306266796

David Merrill, DO is an Internal Medicine in Prescott, Arizona. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2014, 12 years ago. Practices with Naz Hospitalists Inc, a 28-clinician group and accepts Medicare assignment. Licensed in Arizona and Ohio.

Years since qualifying
12
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
AZ, OH
In the registry since
2014
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1003 Willow Creek Rd
Prescott, AZ 86301-1641
Phone: (928) 445-2700
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 007207 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 00000000000000000000 (OH)

Record details

NPI number1306266796
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 23, 2014
Last updated in NPPESMarch 20, 2018
Mailing address1003 Willow Creek Rd, Prescott, AZ 86301-1641

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2014 (12 years in practice)
Group practice Naz Hospitalists Inc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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