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SPECIALTY OBSTETRICS OF SAN DIEGO
NPI 1447583570
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Diego, CA

Active since September 08, 2009CLIA 05D2024918 · Waiver
3750 CONVOY ST STE 200, SAN DIEGO, CA 92111(858) 794-7700(858) 794-7744 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Specialty Obstetrics Of San Diego NPPES

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

SPECIALTY OBSTETRICS OF SAN DIEGO (NPI 1447583570) is a healthcare organization registered as a maternal & fetal medicine in San Diego, California and active in the NPI registry since September 2009. The organization holds a CLIA Waiver certificate valid through May 25, 2027 and lists Deborah C Malone, Director Of Operations, as its authorized official.

NPPES Registry Identity

NPI1447583570
Entity TypeOrganization
Primary Taxonomy207VM0101X
Legal Business NameSPECIALTY OBSTETRICS OF SAN DIEGO
Location Address3750 CONVOY ST STE 200San Diego, CA 92111-3770
Mailing Address3750 Convoy St Ste 200San Diego, CA 92111-3770 · (858) 794-7700 · Fax (858) 794-7744
Phone(858) 794-7700
Fax(858) 794-7744
Organization SubpartNo
Authorized OfficialDeborah C MaloneDirector Of Operations · (858) 794-7700
Enumeration DateSeptember 8, 2009
Last NPPES UpdateOctober 20, 2025
NPPES CertifiedOctober 20, 2025
✔ NPI 1447583570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
Licenses✔ Licensed in CA · G80714✔ Licensed in CA · G47611
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
3750 CONVOY ST STE 200, San Diego, CA 92111
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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)

Specialty Obstetrics Of San Diego is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Specialty Obstetrics Of San Diego, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (5)

Michelle Nguyen, MD
Obstetrics/Gynecology
NPI 1104364017
3750 CONVOY ST STE 200
San Diego, CA 92111
(858) 794-7700
✔ PECOS✔ Accepts MedicareSame address
Jennifer Ahn, M.D.
Obstetrics/Gynecology
NPI 1972673879
12264 EL CAMINO REAL STE 204
San Diego, CA 92130
(858) 794-7700
✔ PECOS✔ Accepts Medicare10 mi
David Dowling, MD
Obstetrics/Gynecology
NPI 1083785844
12264 EL CAMINO REAL STE. 204
San Diego, CA 92130
(858) 794-7700
✔ PECOS✔ Accepts Medicare10 mi
Yvonne Gollin, M.D.
Obstetrics/Gynecology
NPI 1790899300
11370 ANDERSON ST STE 3900
Loma Linda, CA 92354
(909) 558-2806
✔ PECOS✔ Accepts Medicare85 mi
Janet Horenstein, MD
Obstetrics/Gynecology
NPI 1588759062
1400 S. GRAND AVENUE SUITE 711
Los Angeles, CA 90015
(213) 741-1406
✔ PECOS106 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2024918

Specialty Obstetrics Of San Diego · San Diego, CA
Active · expires May 25, 2027
CLIA Number05D2024918
Laboratory TypePhysician Office
Certificate Effective DateMay 26, 2025
Certificate Expiration DateMay 25, 2027
Laboratory DirectorDavid Dowling
Laboratory Phone(858) 794-7700
Laboratory LocationSpecialty Obstetrics Of San Diego12264 El Camino Real Ste. 204, San Diego, CA 92130
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Specialty Obstetrics Of San Diego's NPI number?

The NPI number for Specialty Obstetrics Of San Diego is 1447583570. It was assigned to this organization in the NPPES registry on September 8, 2009.

Where is Specialty Obstetrics Of San Diego located?

Specialty Obstetrics Of San Diego is located at 3750 Convoy St Ste 200, San Diego, CA 92111. The listed phone number is (858) 794-7700.

What is Specialty Obstetrics Of San Diego's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Specialty Obstetrics Of San Diego enrolled in Medicare?

Yes. Specialty Obstetrics Of San Diego is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Specialty Obstetrics Of San Diego?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to Specialty Obstetrics Of San Diego. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Specialty Obstetrics Of San Diego hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2024918) is associated with this NPI, valid through May 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Specialty Obstetrics Of San Diego was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.