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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: October 18, 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 9 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.