MICHAEL A STONE MD A PROFESSIONAL CORPORATION
NPI 1194617050
Orthopaedic Surgery in Marina Del Rey, CA

Active since July 16, 2025
4553 GLENCOE AVE STE 140, MARINA DEL REY, CA 90292(424) 786-1379(310) 943-6584 Get Directions Write a Review

NPPES record last updated: January 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 19, 2026, Aug 4, 2025 (2 updates tracked since 2025).

About Michael A Stone Md A Professional Corporation NPPES

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

MICHAEL A STONE MD A PROFESSIONAL CORPORATION (NPI 1194617050) is a healthcare organization registered as an orthopaedic surgery in Marina Del Rey, California and active in the NPI registry since July 2025. The organization lists Michael Allan Stone, Owner, as its authorized official.

NPPES Registry Identity

NPI1194617050
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameMICHAEL A STONE MD A PROFESSIONAL CORPORATION
Location Address4553 GLENCOE AVE STE 140Marina Del Rey, CA 90292-7906
Mailing Address4553 Glencoe Ave Ste 140Marina Del Rey, CA 90292-7906 · (424) 786-1379 · Fax (310) 943-6584
Fax(310) 943-6584
Organization SubpartNo
Authorized OfficialMichael Allan StoneOwner · (424) 786-1379
Enumeration DateJuly 16, 2025
Last NPPES UpdateJanuary 19, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 19, 2026
✔ NPI 1194617050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
4553 GLENCOE AVE STE 140, Marina Del Rey, CA 90292

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)

Michael A Stone 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 Michael A Stone MD A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Orthopedic Surgery
NPI 1336550656
8700 BEVERLY BLVD
West Hollywood, CA 90048
(310) 423-5000
✔ PECOS✔ Accepts Medicare7.1 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 Michael A Stone MD A Professional Corporation's NPI number?

The NPI number for Michael A Stone MD A Professional Corporation is 1194617050. It was assigned to this organization in the NPPES registry on July 16, 2025.

Where is Michael A Stone MD A Professional Corporation located?

Michael A Stone MD A Professional Corporation is located at 4553 Glencoe Ave Ste 140, Marina Del Rey, CA 90292. The listed phone number is (424) 786-1379.

What is Michael A Stone MD A Professional Corporation's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Michael A Stone MD A Professional Corporation enrolled in Medicare?

Yes. Michael A Stone MD A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael A Stone MD A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Michael A Stone 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 Michael A Stone MD A Professional Corporation was last updated on January 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.