MARINA MASLOVARIC MD INC
NPI 1437595485
Obstetrics & Gynecology in Orange, CA

Q: What is Marina Maslovaric MD Inc's NPI number?

The NPI number for Marina Maslovaric MD Inc is 1437595485. It was assigned to this organization in the NPPES registry on May 17, 2013. The provider is doing business as OC Woman OB-GYN.

Q: What is Marina Maslovaric MD Inc's specialty?

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

Active since May 17, 2013

1100 W STEWART DR, ORANGE, CA 92868(562) 938-7000(949) 260-7800 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Marina Maslovaric Md Inc NPPES

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

MARINA MASLOVARIC MD INC (NPI 1437595485), doing business as Oc Woman Ob-gyn, is a healthcare organization registered as an obstetrics & gynecology in Orange, California and active in the NPI registry since May 2013. The organization lists Marina Maslovaric, Md, as its authorized official.

NPPES Registry Identity

NPI1437595485

Entity TypeOrganization

Primary Taxonomy207V00000X

Legal Business NameMARINA MASLOVARIC MD INC

Location Address1100 W STEWART DROrange, CA 92868-3849

Mailing Address120 Tustin Ave Ste CNewport Beach, CA 92663-4729 · (310) 986-0497 · Fax (949) 260-7800

Phone(562) 938-7000

Fax(949) 260-7800

Organization SubpartNo

Authorized OfficialMarina MaslovaricMd · (310) 986-0497

Enumeration DateMay 17, 2013

Last NPPES UpdateJune 24, 2026

NPPES CertifiedJune 24, 2026

✔ NPI 1437595485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A103853

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.

1100 W STEWART DR, Orange, CA 92868

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Other Names 1

Doing Business AsOc Woman Ob-gyn

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 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)

Marina Maslovaric Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Marina Maslovaric MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Marina Maslovaric, M.D.

Obstetrics/Gynecology

NPI 1881922060

500 SUPERIOR AVE STE 330
Newport Beach, CA 92663

(949) 646-2800

✔ PECOS✔ Accepts Medicare11 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 Marina Maslovaric MD Inc's NPI number?

The NPI number for Marina Maslovaric MD Inc is 1437595485. It was assigned to this organization in the NPPES registry on May 17, 2013. The provider is doing business as OC Woman OB-GYN.

Where is Marina Maslovaric MD Inc located?

Marina Maslovaric MD Inc is located at 1100 W Stewart Dr, Orange, CA 92868. The listed phone number is (562) 938-7000.

What is Marina Maslovaric MD Inc's specialty?

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

Is Marina Maslovaric MD Inc enrolled in Medicare?

Yes. Marina Maslovaric MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marina Maslovaric MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Marina Maslovaric MD 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Marina Maslovaric MD Inc was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.