JAMES LESHER MD
NPI 1821600537
Surgery in Castro Valley, CA

Q: What is James Lesher MD's NPI number?

The NPI number for James Lesher MD is 1821600537. It was assigned to this organization in the NPPES registry on August 24, 2020.

Q: What is James Lesher MD's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for James Lesher MD was last updated on August 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since August 24, 2020

19845 LAKE CHABOT RD STE 200, CASTRO VALLEY, CA 94546(510) 538-5500(510) 538-5505 Get Directions Write a Review

NPPES record last updated: August 24, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About James Lesher Md NPPES

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

JAMES LESHER MD (NPI 1821600537) is a healthcare organization registered as a surgery in Castro Valley, California and active in the NPI registry since August 2020. The organization lists James Lesher, Owner, as its authorized official.

NPPES Registry Identity

NPI1821600537

Entity TypeOrganization

Primary Taxonomy208600000X

Legal Business NameJAMES LESHER MD

Location Address19845 LAKE CHABOT RD STE 200Castro Valley, CA 94546-4055

Mailing Address19845 Lake Chabot Rd Ste 200Castro Valley, CA 94546-4055 · (510) 538-5500 · Fax (510) 538-5505

Phone(510) 538-5500

Fax(510) 538-5505

Organization SubpartNo

Authorized OfficialJames LesherOwner · (510) 538-5500

Enumeration DateAugust 24, 2020

NPPES CertifiedAugust 24, 2020

✔ NPI 1821600537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

19845 LAKE CHABOT RD STE 200, Castro Valley, CA 94546

Open in Google Maps ↗

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)

James Lesher Md 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 James Lesher MD, which bills Medicare for the services this clinician delivers.

Clinician (1)

James Lesher, MD

General Surgery

NPI 1689963118

19845 LAKE CHABOT RD STE 200
Castro Valley, CA 94546

(510) 538-5500

✔ 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 James Lesher MD's NPI number?

The NPI number for James Lesher MD is 1821600537. It was assigned to this organization in the NPPES registry on August 24, 2020.

Where is James Lesher MD located?

James Lesher MD is located at 19845 Lake Chabot Rd Ste 200, Castro Valley, CA 94546. The listed phone number is (510) 538-5500.

What is James Lesher MD's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is James Lesher MD enrolled in Medicare?

Yes. James Lesher MD is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through James Lesher MD?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to James Lesher MD. 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 James Lesher MD was last updated on August 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.