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YONATAN MAHLLER MD PHD INC
NPI 1063833184
Obstetrics & Gynecology in Newport Beach, CA

Active since December 16, 2013
320 SUPERIOR AVE STE 290, NEWPORT BEACH, CA 92663(949) 375-8244(949) 398-9812 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 11, 2025, Dec 16, 2016 (2 updates tracked since 2016).

About Yonatan Mahller Md Phd Inc NPPES

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

YONATAN MAHLLER MD PHD INC (NPI 1063833184) is a healthcare organization registered as an obstetrics & gynecology in Newport Beach, California and active in the NPI registry since December 2013. The organization lists Yonatan Mahller, Ceo, as its authorized official.

NPPES Registry Identity

NPI1063833184
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameYONATAN MAHLLER MD PHD INC
Location Address320 SUPERIOR AVE STE 290Newport Beach, CA 92663-6140
Mailing Address320 Superior Ave Ste 290Newport Beach, CA 92663-6140 · (949) 375-8244 · Fax (949) 398-9812
Phone(949) 375-8244
Fax(949) 398-9812
Organization SubpartNo
Authorized OfficialYonatan MahllerCeo · (513) 304-1011
Enumeration DateDecember 16, 2013
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
✔ NPI 1063833184 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 · A117135
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.
320 SUPERIOR AVE STE 290, Newport Beach, CA 92663
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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)

Yonatan Mahller Md Phd 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 Yonatan Mahller MD Phd Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Yonatan Mahller, MD, PHD
Obstetrics/Gynecology
NPI 1396977930
320 SUPERIOR AVE STE 290
Newport Beach, CA 92663
(949) 375-8244
✔ PECOSSame address

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 Yonatan Mahller MD Phd Inc's NPI number?

The NPI number for Yonatan Mahller MD Phd Inc is 1063833184. It was assigned to this organization in the NPPES registry on December 16, 2013.

Where is Yonatan Mahller MD Phd Inc located?

Yonatan Mahller MD Phd Inc is located at 320 Superior Ave Ste 290, Newport Beach, CA 92663. The listed phone number is (949) 375-8244.

What is Yonatan Mahller MD Phd Inc's specialty?

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

Is Yonatan Mahller MD Phd Inc enrolled in Medicare?

Yes. Yonatan Mahller MD Phd Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Yonatan Mahller MD Phd Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Yonatan Mahller MD Phd 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 Yonatan Mahller MD Phd Inc was last updated on September 11, 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.