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GWEN M. ALLEN MD INC
NPI 1326051806
Obstetrics & Gynecology - Gynecology in Gardena, CA

Active since August 14, 2006
1045 W REDONDO BEACH BLVD, SUITE 500, GARDENA, CA 90247(310) 329-9492(310) 329-3799 Get Directions Write a Review

NPPES record last updated: May 5, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gwen M. Allen Md Inc NPPES

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

GWEN M. ALLEN MD INC (NPI 1326051806) is a healthcare organization registered as a gynecology in Gardena, California and active in the NPI registry since August 2006. The organization lists Gwen Maria Allen, President/ Ceo, as its authorized official.

NPPES Registry Identity

NPI1326051806
Entity TypeOrganization
Primary Taxonomy207VG0400X
Legal Business NameGWEN M. ALLEN MD INC
Location Address1045 W REDONDO BEACH BLVD, SUITE 500Gardena, CA 90247-4128
Mailing Address1141 W Redondo Beach Blvd Ste 402Gardena, CA 90247-3582 · (310) 329-9492 · Fax (310) 329-6314
Phone(310) 329-9492
Fax(310) 329-3799
Organization SubpartNo
Authorized OfficialGwen Maria AllenPresident/ Ceo · (310) 329-9492
Enumeration DateAugust 14, 2006
Last NPPES UpdateMay 5, 2023
NPPES CertifiedMay 5, 2023
✔ NPI 1326051806 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 · A061790
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
1045 W REDONDO BEACH BLVD, Gardena, CA 90247
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Other Identifiers 1

Medicaid00A617900CA

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)

Gwen M. Allen 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 Gwen M. Allen MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gwen Allen, M.D.
Obstetrics/Gynecology
NPI 1306942909
1045 W REDONDO BEACH BLVD #500
Gardena, CA 90247
(310) 329-9492
✔ PECOS✔ Accepts MedicareSame 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 Gwen M. Allen MD Inc's NPI number?

The NPI number for Gwen M. Allen MD Inc is 1326051806. It was assigned to this organization in the NPPES registry on August 14, 2006.

Where is Gwen M. Allen MD Inc located?

Gwen M. Allen MD Inc is located at 1045 W Redondo Beach Blvd Suite 500, Gardena, CA 90247. The listed phone number is (310) 329-9492.

What is Gwen M. Allen MD Inc's specialty?

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

Is Gwen M. Allen MD Inc enrolled in Medicare?

Yes. Gwen M. Allen MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gwen M. Allen MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Gwen M. Allen 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 Gwen M. Allen MD Inc was last updated on May 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.