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Obstetrics/Gynecology

Maria A. Hwang, DO

Works at hospitals in Santa Maria, CA · California

Summary

Maria A. Hwang, DO (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Santa Maria, CA. NPI 1235668849. 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 Maria A. Hwang, 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
9Years since medical school (graduated 2017)
West Virginia School Of Osteopathic MedicineMedical school
FemaleGender (as listed)
Pacific Central Coast Health CentersGroup practice

Quick answers

Which hospitals does Maria A. Hwang work at?
Medicare's official clinician data lists Maria A. Hwang at 1 hospital: Marian Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Maria A. Hwang see patients?
Medicare's clinician data lists 1 practice location in Santa Maria, CA. Call before your visit to confirm the address.
What is Maria A. Hwang's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Maria A. Hwang accept Medicare assignment?
Yes. Medicare's clinician data says Maria A. Hwang 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 Maria A. Hwang?
(805) 922-0481, as listed in official Medicare / NPI Registry data.
What is Maria A. Hwang's NPI number?
1235668849. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Maria A. Hwang works

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

Group practices

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

  • Pacific Central Coast Health Centers253 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Santa Maria

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

All OB-GYNs in Santa Maria →

Clinician information

CredentialDO
Medical schoolWest Virginia School Of Osteopathic Medicine
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235668849
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