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LISA M. MASTERSON MD A PROFESSIONAL CORPORATION
NPI 1619293255
Obstetrics & Gynecology - Gynecology in Santa Monica, CA

Active since April 07, 2010
1333 OCEAN AVE, SANTA MONICA, CA 90401(310) 451-9900 Get Directions Write a Review

NPPES record last updated: October 28, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Lisa M. Masterson Md A Professional Corporation NPPES

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

LISA M. MASTERSON MD A PROFESSIONAL CORPORATION (NPI 1619293255) is a healthcare organization registered as a gynecology in Santa Monica, California and active in the NPI registry since April 2010. The organization lists Lisa M Masterson, Owner, as its authorized official.

NPPES Registry Identity

NPI1619293255
Entity TypeOrganization
Primary Taxonomy207VG0400X
Legal Business NameLISA M. MASTERSON MD A PROFESSIONAL CORPORATION
Location Address1333 OCEAN AVESanta Monica, CA 90401-1023
Mailing Address1333 Ocean AveSanta Monica, CA 90401-1023 · (310) 451-9900 · Fax (310) 294-0739
Phone(310) 451-9900
Organization SubpartNo
Authorized OfficialLisa M MastersonOwner · (310) 451-9900
Enumeration DateApril 7, 2010
Last NPPES UpdateOctober 28, 2016
✔ NPI 1619293255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in CA · G80224
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
1333 OCEAN AVE, Santa Monica, CA 90401
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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)

Lisa M. Masterson Md A Professional Corporation 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 Lisa M. Masterson MD A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Lisa Masterson, MD
Obstetrics/Gynecology
NPI 1497843692
1250 6TH ST STE 404
Santa Monica, CA 90401
(310) 451-9900
✔ PECOS✔ Accepts Medicare0.4 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 Lisa M. Masterson MD A Professional Corporation's NPI number?

The NPI number for Lisa M. Masterson MD A Professional Corporation is 1619293255. It was assigned to this organization in the NPPES registry on April 7, 2010.

Where is Lisa M. Masterson MD A Professional Corporation located?

Lisa M. Masterson MD A Professional Corporation is located at 1333 Ocean Ave, Santa Monica, CA 90401. The listed phone number is (310) 451-9900.

What is Lisa M. Masterson MD A Professional Corporation's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Lisa M. Masterson MD A Professional Corporation enrolled in Medicare?

Yes. Lisa M. Masterson MD A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lisa M. Masterson MD A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Lisa M. Masterson MD A Professional Corporation. 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 Lisa M. Masterson MD A Professional Corporation was last updated on October 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.