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

Obstetrics/Gynecology

Mareeni T. Stanislaus, MD

Works at hospitals in Templeton, CA · San Luis Obispo, CA · Northridge, CA · California

Summary

Mareeni T. Stanislaus, MD (Obstetrics/Gynecology) is listed by Medicare at 3 hospitals in Templeton, CA, San Luis Obispo, CA and Northridge, CA. NPI 1730105123. 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 Mareeni T. Stanislaus, 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
YesOffers telehealth
34Years since medical school (graduated 1992)
University Of California, San Diego School Of MedicineMedical school
FemaleGender (as listed)
Mareeni T Stanislaus MD a Medical CorporationGroup practice

Quick answers

Which hospitals does Mareeni T. Stanislaus work at?
Medicare's official clinician data lists Mareeni T. Stanislaus at 3 hospitals: Adventist Health Twin Cities, French Hospital Medical Center and Northridge Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mareeni T. Stanislaus see patients?
Medicare's clinician data lists 1 practice location in Templeton, CA. Call before your visit to confirm the address.
What is Mareeni T. Stanislaus's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Mareeni T. Stanislaus accept Medicare assignment?
Yes. Medicare's clinician data says Mareeni T. Stanislaus 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.
Does Mareeni T. Stanislaus offer telehealth?
Medicare's clinician data says Mareeni T. Stanislaus offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mareeni T. Stanislaus?
(805) 434-3000, as listed in official Medicare / NPI Registry data.
What is Mareeni T. Stanislaus's NPI number?
1730105123. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mareeni T. Stanislaus works

Medicare's Facility Affiliation Data lists Mareeni T. Stanislaus 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 Mareeni T. Stanislaus is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mareeni T. Stanislaus as a member of this group (CMS data updated 2026-10-02).

  • Mareeni T Stanislaus MD a Medical Corporation2 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All OB-GYNs in California →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1730105123
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