DR. YONATAN MAHLLER MD, PHD
NPI 1396977930
Obstetrics & Gynecology in Newport Beach, CA

Q: What is Yonatan Mahller's NPI number?

The NPI number for Yonatan Mahller is 1396977930. It was assigned to this individual provider in the NPPES registry on August 16, 2009.

Q: What is Yonatan Mahller's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Yonatan Mahller 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.

Active since August 16, 2009PECOS Enrolled

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).

On this page

About Dr. Yonatan Mahller Md, Phd NPPES

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

DR. YONATAN MAHLLER MD, PHD (NPI 1396977930) is an individual obstetrics & gynecology provider in Newport Beach, California, licensed in California (A117135) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (2009).

NPPES Registry Identity

NPI1396977930

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDR. YONATAN MAHLLERCredential: MD, PHD

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

Sole ProprietorYes

Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 2009

Enumeration DateAugust 16, 2009

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2025

✔ NPI 1396977930 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

Open in Google Maps ↗

Other Identifiers 1

OtherA117135CA · Ca License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Yonatan Mahller Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4880823657

PECOS Enrollment IDI20140514001491

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Yonatan Mahller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yonatan Mahller MD Phd Inc

Same address

Obstetrics & Gynecology

320 SUPERIOR AVE STE 290
Newport Beach, CA 92663

Reassigned Medicare billing, California enrollment

NPI 1063833184 (949) 375-8244

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

14 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YONATAN MAHLLER MD PHD INC

Obstetrics & Gynecology

320 SUPERIOR AVE STE 290
NEWPORT BEACH, CA 92663

Orange County (949) 375-8244

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's NPI number?

The NPI number for Yonatan Mahller is 1396977930. It was assigned to this individual provider in the NPPES registry on August 16, 2009.

Where is Yonatan Mahller located?

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

What is Yonatan Mahller's specialty?

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

Is Yonatan Mahller enrolled in Medicare?

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

Which organization bills Medicare for Yonatan Mahller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yonatan Mahller reassigns Medicare benefits to Yonatan Mahller MD Phd Inc (Newport Beach, CA). The 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 Yonatan Mahller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Yonatan Mahller 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.