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Hospitalist

Daniel Merrill, DO

Works at hospitals in Flagstaff, AZ · Arizona

Summary

Daniel Merrill, DO (Hospitalist) is listed by Medicare at 1 hospital in Flagstaff, AZ. NPI 1467914291. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Daniel Merrill, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
MaleGender (as listed)
Northern Arizona Healthcare CorporationGroup practice

Quick answers

Which hospitals does Daniel Merrill work at?
Medicare's official clinician data lists Daniel Merrill at 1 hospital: Flagstaff Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Daniel Merrill see patients?
Medicare's clinician data lists 7 practice locations, including Flagstaff, AZ and Cottonwood, AZ. Call before your visit to confirm the address.
What is Daniel Merrill's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine and Pediatric Medicine.
Does Daniel Merrill accept Medicare assignment?
Yes. Medicare's clinician data says Daniel 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 Daniel Merrill?
(928) 779-3366, as listed in official Medicare / NPI Registry data.
What is Daniel Merrill's NPI number?
1467914291. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Daniel Merrill works

Medicare's Facility Affiliation Data lists Daniel Merrill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Daniel Merrill is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Daniel Merrill as a member of this group (CMS data updated 2026-10-02).

  • Northern Arizona Healthcare Corporation385 clinicians in the group

Specialties

Find other Hospitalist doctors in Arizona →

Other hospitalists in Flagstaff

Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.

All hospitalists in Flagstaff →

Clinician information

CredentialDO
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467914291
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians