Quick answers
- Which hospitals does David B. Merrill work at?
- Medicare's official clinician data lists David B. Merrill at 2 hospitals: St Josephs Hospital and Medical Center and Yavapai Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David B. Merrill see patients?
- Medicare's clinician data lists 1 practice location in Prescott, AZ. Call before your visit to confirm the address.
- What is David B. Merrill's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does David B. Merrill accept Medicare assignment?
- Yes. Medicare's clinician data says David B. Merrill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for David B. Merrill?
- (928) 771-5470, as listed in official Medicare / NPI Registry data.
- What is David B. Merrill's NPI number?
- 1306266796. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David B. Merrill works
Medicare's Facility Affiliation Data lists David B. Merrill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Josephs Hospital and Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030024
- Yavapai Regional Medical CenterPrescott, AZ · Acute Care Hospital · CCN 030012
Practice locations
Addresses where David B. Merrill is enrolled with Medicare (CMS data updated 2026-10-02).
- 1003 Willow Creek RdPrescott, AZ 86301 (928) 771‑5470
Group practices
Medicare enrollment lists David B. Merrill as a member of this group (CMS data updated 2026-10-02).
- Naz Hospitalists Inc30 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Prescott
Clinicians with the same Medicare primary specialty in Prescott, AZ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306266796 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians