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

Obstetrics/Gynecology

Tabetha R. Harken, MD

Works at hospitals in Orange, CA · California

Summary

Tabetha R. Harken, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Orange, CA. NPI 1821100983. 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 Tabetha R. Harken, 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
24Years since medical school (graduated 2002)
University Of Colorado School Of Medicine, DenverMedical school
FemaleGender (as listed)
Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Tabetha R. Harken work at?
Medicare's official clinician data lists Tabetha R. Harken at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tabetha R. Harken see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Tabetha R. Harken's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Tabetha R. Harken accept Medicare assignment?
Yes. Medicare's clinician data says Tabetha R. Harken 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 Tabetha R. Harken?
(714) 456-7002, as listed in official Medicare / NPI Registry data.
What is Tabetha R. Harken's NPI number?
1821100983. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tabetha R. Harken works

Medicare's Facility Affiliation Data lists Tabetha R. Harken 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 Tabetha R. Harken is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Tabetha R. Harken as a member of this group (CMS data updated 2026-10-02).

  • Regents of the University of California52 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

All OB-GYNs in Orange →

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821100983
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