Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Mary C. Tanner, MD

Sees patients in Wailuku, HI · Hawaii

Summary

Mary C. Tanner, MD (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in Wailuku, HI. NPI 1205404449. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary C. Tanner, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)
Hawaii Permanente Medical Group IncGroup practice

Quick answers

Where does Mary C. Tanner see patients?
Medicare's clinician data lists 1 practice location in Wailuku, HI. Call before your visit to confirm the address.
What is Mary C. Tanner's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Mary C. Tanner accept Medicare assignment?
Yes. Medicare's clinician data says Mary C. Tanner 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 Mary C. Tanner?
(808) 243-6000, as listed in official Medicare / NPI Registry data.
What is Mary C. Tanner's NPI number?
1205404449. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mary C. Tanner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary C. Tanner as a member of this group (CMS data updated 2026-10-02).

  • Hawaii Permanente Medical Group Inc704 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Hawaii →

Other OB-GYNs in Wailuku

Clinicians with the same Medicare primary specialty in Wailuku, HI — not a recommendation.

All OB-GYNs in Wailuku →

Clinician information

CredentialMD
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205404449
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians