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MARY C KERR, M.D. INC
NPI 1154520229
Specialist in Los Angeles, CA

Active since July 17, 2007
822 S ROBERTSON BLVD STE 304, LOS ANGELES, CA 90035(310) 275-3440(310) 275-3452 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary C Kerr, M.d. Inc NPPES

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

MARY C KERR, M.D. INC (NPI 1154520229) is a healthcare organization registered as a specialist in Los Angeles, California and active in the NPI registry since July 2007. The organization lists Mary C Kerr, Owner/director, as its authorized official.

NPPES Registry Identity

NPI1154520229
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameMARY C KERR, M.D. INC
Location Address822 S ROBERTSON BLVD STE 304Los Angeles, CA 90035-1632
Mailing Address822 S Robertson Blvd Ste 304Los Angeles, CA 90035-1632 · (310) 275-3440 · Fax (310) 275-3452
Phone(310) 275-3440
Fax(310) 275-3452
Organization SubpartNo
Authorized OfficialMary C KerrOwner/director · (310) 275-3440
Enumeration DateJuly 17, 2007
Last NPPES UpdateJune 16, 2025
NPPES CertifiedJune 16, 2025
✔ NPI 1154520229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A65874
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
822 S ROBERTSON BLVD STE 304, Los Angeles, CA 90035
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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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary C Kerr, M.d. Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20080212000469Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mary C Kerr, M.D. Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mary Kerr, M.D.
Obstetrics/Gynecology
NPI 1700900917
822 S ROBERTSON BLVD STE 304
Los Angeles, CA 90035
(310) 275-3440
✔ 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 Mary C Kerr, M.D. Inc's NPI number?

The NPI number for Mary C Kerr, M.D. Inc is 1154520229. It was assigned to this organization in the NPPES registry on July 17, 2007.

Where is Mary C Kerr, M.D. Inc located?

Mary C Kerr, M.D. Inc is located at 822 S Robertson Blvd Ste 304, Los Angeles, CA 90035. The listed phone number is (310) 275-3440.

What is Mary C Kerr, M.D. Inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Mary C Kerr, M.D. Inc enrolled in Medicare?

Yes. Mary C Kerr, M.D. Inc is registered in the Medicare PECOS enrollment system.

When is Mary C Kerr, M.D. Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Mary C Kerr, M.D. Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Mary C Kerr, M.D. 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 Mary C Kerr, M.D. Inc was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.