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MAREENI T STANISLAUS MD A MEDICAL CORPORATION
NPI 1922523943
Obstetrics & Gynecology in Templeton, CA

Active since August 10, 2017
350 POSADA LN STE 201, TEMPLETON, CA 93465(805) 434-3000(805) 329-5229 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2025, Mar 10, 2021, Aug 10, 2017 (3 updates tracked since 2017).

About Mareeni T Stanislaus Md A Medical Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAREENI T STANISLAUS MD A MEDICAL CORPORATION (NPI 1922523943) is a healthcare organization registered as an obstetrics & gynecology in Templeton, California and active in the NPI registry since August 2017. The organization lists Mareeni Stanislaus, President, as its authorized official.

NPPES Registry Identity

NPI1922523943
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameMAREENI T STANISLAUS MD A MEDICAL CORPORATION
Location Address350 POSADA LN STE 201Templeton, CA 93465-4060
Mailing Address350 Posada Ln Ste 201Templeton, CA 93465-4060
Phone(805) 434-3000
Fax(805) 329-5229
Organization SubpartNo
Authorized OfficialMareeni StanislausPresident · (805) 434-3000
Enumeration DateAugust 10, 2017
Last NPPES UpdateSeptember 9, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
✔ NPI 1922523943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedPreventive Medicine · Undersea and Hyperbaric MedicineTaxonomy 2083P0011X

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mareeni T Stanislaus Md A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Mareeni T Stanislaus MD A Medical Corporation, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (4)

Jessica Baker- Ballantyne, NM, RN
Certified Nurse Midwife (CNM)
NPI 1669646824
350 POSADA LN STE 201
Templeton, CA 93465
(805) 434-3000
✔ PECOS✔ Accepts Medicare
Kristy Graham, FNP-BC
Nurse Practitioner
NPI 1134749898
1270 N NORTHWOOD CENTER CT
Coeur D Alene, ID 83814
(208) 966-4376
✔ PECOS✔ Accepts Medicare
Annie Claude Sanchis, NP
Nurse Practitioner
NPI 1093091829
685 MORRO AVE SUITE C
Morro Bay, CA 93442
(805) 772-7317
✔ PECOS
Mareeni Stanislaus, MD
Obstetrics/Gynecology
NPI 1730105123
350 POSADA LN STE 201
Templeton, CA 93465
(805) 434-3000
✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mareeni T Stanislaus MD A Medical Corporation's NPI number?

The NPI number for Mareeni T Stanislaus MD A Medical Corporation is 1922523943. It was assigned to this organization in the NPPES registry on August 10, 2017.

Where is Mareeni T Stanislaus MD A Medical Corporation located?

Mareeni T Stanislaus MD A Medical Corporation is located at 350 Posada Ln Ste 201, Templeton, CA 93465. The listed phone number is (805) 434-3000.

What is Mareeni T Stanislaus MD A Medical Corporation's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mareeni T Stanislaus MD A Medical Corporation enrolled in Medicare?

Yes. Mareeni T Stanislaus MD A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mareeni T Stanislaus MD A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Mareeni T Stanislaus MD A Medical Corporation, in Certified Nurse Midwife (CNM), Nurse Practitioner and Obstetrics/Gynecology. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mareeni T Stanislaus MD A Medical Corporation was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.