1. Home
  2. Directory
  3. California
  4. Lakeside
  5. General Practice
  6. NPI Profile

LARRY J MARSHALL MD A PROFESSIONAL CORPORATION
NPI 1689884942
General Practice in Lakeside, CA

Active since May 23, 2007
12517 LAKESHORE DR, LAKESIDE, CA 92040(619) 443-3843(619) 390-1810 Get Directions Write a Review

NPPES record last updated: December 10, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Larry J Marshall Md A Professional Corporation NPPES

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

LARRY J MARSHALL MD A PROFESSIONAL CORPORATION (NPI 1689884942) is a healthcare organization registered as a general practice in Lakeside, California and active in the NPI registry since May 2007. The organization lists Larry J Marshall, President, as its authorized official.

NPPES Registry Identity

NPI1689884942
Entity TypeOrganization
Primary Taxonomy208D00000X
Legal Business NameLARRY J MARSHALL MD A PROFESSIONAL CORPORATION
Location Address12517 LAKESHORE DRLakeside, CA 92040-3103
Mailing Address12517 Lakeshore DrLakeside, CA 92040-3103 · (619) 443-3843 · Fax (619) 390-1810
Phone(619) 443-3843
Fax(619) 390-1810
Organization SubpartNo
Authorized OfficialLarry J MarshallPresident · (619) 443-3843
Enumeration DateMay 23, 2007
Last NPPES UpdateDecember 10, 2010
✔ NPI 1689884942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · A52344
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
12517 LAKESHORE DR, Lakeside, CA 92040
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedW14224ACA
MedicaidGR0081780CA
Other00A523440CA · Blue Cross Blue Shield

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)

Larry J Marshall 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 Larry J Marshall MD A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Larry Marshall, MD
Family Practice
NPI 1114018132
12517 LAKESHORE DR
Lakeside, CA 92040
(619) 443-3843
✔ 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 Larry J Marshall MD A Professional Corporation's NPI number?

The NPI number for Larry J Marshall MD A Professional Corporation is 1689884942. It was assigned to this organization in the NPPES registry on May 23, 2007.

Where is Larry J Marshall MD A Professional Corporation located?

Larry J Marshall MD A Professional Corporation is located at 12517 Lakeshore Dr, Lakeside, CA 92040. The listed phone number is (619) 443-3843.

What is Larry J Marshall MD A Professional Corporation's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Larry J Marshall MD A Professional Corporation enrolled in Medicare?

Yes. Larry J Marshall MD A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Larry J Marshall MD A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Larry J Marshall 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 Larry J Marshall MD A Professional Corporation was last updated on December 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.