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MARY J. KOTOB, MD, INC
NPI 1083400220
Clinic/Center - Medical Specialty in Newport Beach, CA

Active since April 15, 2025
400 NEWPORT CENTER DR STE 202, NEWPORT BEACH, CA 92660(949) 520-7774(949) 520-7731 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary J. Kotob, Md, Inc NPPES

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

MARY J. KOTOB, MD, INC (NPI 1083400220), doing business as Dr Mary J Kotob, is a healthcare organization registered as a medical specialty in Newport Beach, California and active in the NPI registry since April 2025. The organization lists Mary J Kotob, Owner, as its authorized official.

NPPES Registry Identity

NPI1083400220
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameMARY J. KOTOB, MD, INC
Location Address400 NEWPORT CENTER DR STE 202Newport Beach, CA 92660-7639
Mailing Address400 Newport Center Dr Ste 202Newport Beach, CA 92660-7639 · (949) 520-7774 · Fax (949) 520-7731
Phone(949) 520-7774
Fax(949) 520-7731
Organization SubpartNo
Authorized OfficialMary J KotobOwner · (714) 357-3202
Enumeration DateApril 15, 2025
NPPES CertifiedApril 7, 2025
✔ NPI 1083400220 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
400 NEWPORT CENTER DR STE 202, Newport Beach, CA 92660
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Other Names 1

Doing Business AsDr Mary J Kotob

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary J. Kotob, 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 Mary J. Kotob, MD, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mary Kotob, MD
Obstetrics/Gynecology
NPI 1447301965
1441 AVOCADO AVE STE 608
Newport Beach, CA 92660
(949) 644-7433
✔ PECOS✔ Accepts Medicare0.2 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 Mary J. Kotob, MD, Inc's NPI number?

The NPI number for Mary J. Kotob, MD, Inc is 1083400220. It was assigned to this organization in the NPPES registry on April 15, 2025. The provider is doing business as Dr Mary J Kotob.

Where is Mary J. Kotob, MD, Inc located?

Mary J. Kotob, MD, Inc is located at 400 Newport Center Dr Ste 202, Newport Beach, CA 92660. The listed phone number is (949) 520-7774.

What is Mary J. Kotob, MD, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Mary J. Kotob, MD, Inc enrolled in Medicare?

Yes. Mary J. Kotob, MD, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mary J. Kotob, MD, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Mary J. Kotob, 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 Mary J. Kotob, MD, Inc was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.