1. Home
  2. Directory
  3. California
  4. San Diego
  5. Specialist
  6. NPI Profile

SOUTH COAST GYNECOLOGIC ONCOLOGY, INC
NPI 1881639946
Specialist in San Diego, CA

Active since June 20, 2006
9095 RIO SAN DIEGO DR STE 425, SAN DIEGO, CA 92108(858) 455-5524(858) 587-9377 Get Directions Write a Review

NPPES record last updated: March 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 28, 2025, Dec 29, 2022, Dec 22, 2020 (3 updates tracked since 2020).

About South Coast Gynecologic Oncology, Inc NPPES

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

SOUTH COAST GYNECOLOGIC ONCOLOGY, INC (NPI 1881639946) is a healthcare organization registered as a specialist in San Diego, California and active in the NPI registry since June 2006. The organization lists Annmarie Carlisle, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1881639946
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameSOUTH COAST GYNECOLOGIC ONCOLOGY, INC
Location Address9095 RIO SAN DIEGO DR STE 425San Diego, CA 92108-1679
Mailing Address9095 Rio San Diego Dr Ste 425San Diego, CA 92108-1679 · (858) 455-5524 · Fax (858) 480-3910
Phone(858) 455-5524
Fax(858) 587-9377
Organization SubpartNo
Authorized OfficialAnnmarie CarlislePractice Administrator · (858) 455-5524
Enumeration DateJune 20, 2006
Last NPPES UpdateMarch 28, 20253 updates tracked since enumeration
NPPES CertifiedMarch 28, 2025
✔ NPI 1881639946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Licenses✔ Licensed in CA · A65396✔ Licensed in CA · G66287
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
9095 RIO SAN DIEGO DR STE 425, San Diego, CA 92108
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE 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)

South Coast Gynecologic Oncology, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to South Coast Gynecologic Oncology, Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Afshin Bahador, MD
Gynecological Oncology
NPI 1316963713
9095 RIO SAN DIEGO DR STE 425
San Diego, CA 92108
(858) 455-5524
✔ PECOS✔ Accepts MedicareSame address
Crista Hickey, FNP-C
Nurse Practitioner
NPI 1932769122
9095 RIO SAN DIEGO DR STE 425
San Diego, CA 92108
(858) 455-5524
✔ PECOS✔ Accepts MedicareSame address
Phoebe Tabaranza, NP-C
Nurse Practitioner
NPI 1295474468
9095 RIO SAN DIEGO DR STE 425
San Diego, CA 92108
(858) 455-5524
✔ PECOSSame address
Julia Ritchie
Gynecological Oncology
NPI 1346745296
9095 RIO SAN DIEGO DR STE 425
San Diego, CA 92108
(858) 455-5524
✔ PECOSSame address
Bridgette Duggan, MD
Gynecological Oncology
NPI 1841212081
5030 CAMINO DE LA SIESTA STE 204
San Diego, CA 92108
(858) 455-5524
✔ PECOS1.6 mi
Natsai Nyakudarika, M.D.
Obstetrics/Gynecology
NPI 1154740751
127 S SAN VICENTE BLVD FL 7
Los Angeles, CA 90048
(310) 423-5800
✔ PECOS✔ Accepts Medicare115 mi
Heidi Chang, MD
Obstetrics/Gynecology
NPI 1649681982
2637 SHADELANDS DR
Walnut Creek, CA 94598
(925) 393-0033
✔ PECOS✔ Accepts Medicare450 mi

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 South Coast Gynecologic Oncology, Inc's NPI number?

The NPI number for South Coast Gynecologic Oncology, Inc is 1881639946. It was assigned to this organization in the NPPES registry on June 20, 2006.

Where is South Coast Gynecologic Oncology, Inc located?

South Coast Gynecologic Oncology, Inc is located at 9095 Rio San Diego Dr Ste 425, San Diego, CA 92108. The listed phone number is (858) 455-5524.

What is South Coast Gynecologic Oncology, Inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is South Coast Gynecologic Oncology, Inc enrolled in Medicare?

Yes. South Coast Gynecologic Oncology, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through South Coast Gynecologic Oncology, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to South Coast Gynecologic Oncology, Inc. 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. The largest specialties are Gynecological Oncology (3), Nurse Practitioner (2) and Obstetrics/Gynecology (2). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for South Coast Gynecologic Oncology, Inc was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.