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Family Practice

Herbert A. Day, DO

Works at hospitals in Fairbanks, AK · Alaska

Summary

Herbert A. Day, DO (Family Practice) is listed by Medicare at 1 hospital in Fairbanks, AK. NPI 1609841006. 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 Herbert A. Day, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
At Still University Of Health Sciences, College Of Osteo Med, KirksvilleMedical school
MaleGender (as listed)
Tanana Valley Clinic LLCGroup practice

Quick answers

Which hospitals does Herbert A. Day work at?
Medicare's official clinician data lists Herbert A. Day at 1 hospital: Fairbanks Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Herbert A. Day see patients?
Medicare's clinician data lists 2 practice locations, including Fairbanks, AK. Call before your visit to confirm the address.
What is Herbert A. Day's specialty?
Medicare lists Family Practice as the primary specialty.
Does Herbert A. Day accept Medicare assignment?
Yes. Medicare's clinician data says Herbert A. Day 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 Herbert A. Day?
(907) 459-3500, as listed in official Medicare / NPI Registry data.
What is Herbert A. Day's NPI number?
1609841006. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Herbert A. Day works

Medicare's Facility Affiliation Data lists Herbert A. Day 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 Herbert A. Day is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Herbert A. Day as a member of this group (CMS data updated 2026-10-02).

  • Tanana Valley Clinic LLC146 clinicians in the group

Specialties

Find other Family Practice doctors in Alaska →

Other family doctors in Fairbanks

Clinicians with the same Medicare primary specialty in Fairbanks, AK — not a recommendation.

All family doctors in Fairbanks →

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609841006
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