J. WILLIAM GROVES, JR., M.D., L.L.C.
NPI 1740545466
Obstetrics & Gynecology in Lake Charles, LA

Active since July 09, 2012
1890 W GAUTHIER RD STE 130, LAKE CHARLES, LA 70605(337) 480-5530(337) 480-5531 Get Directions Write a Review

NPPES record last updated: August 15, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About J. William Groves, Jr., M.d., L.l.c. NPPES

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

J. WILLIAM GROVES, JR., M.D., L.L.C. (NPI 1740545466) is a healthcare organization registered as an obstetrics & gynecology in Lake Charles, Louisiana and active in the NPI registry since July 2012. The organization lists James William Groves, Owner, as its authorized official.

NPPES Registry Identity

NPI1740545466
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameJ. WILLIAM GROVES, JR., M.D., L.L.C.
Location Address1890 W GAUTHIER RD STE 130Lake Charles, LA 70605-7179
Mailing Address1890 W Gauthier Rd Ste 130Lake Charles, LA 70605-7179 · (337) 480-5530 · Fax (337) 480-5531
Fax(337) 480-5531
Organization SubpartNo
Authorized OfficialJames William GrovesOwner · (337) 480-5530
Enumeration DateJuly 9, 2012
Last NPPES UpdateAugust 15, 2022
NPPES CertifiedAugust 15, 2022
✔ NPI 1740545466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in LA · MD.201254
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1890 W GAUTHIER RD STE 130, Lake Charles, LA 70605

Other Identifiers 1

Medicaid1014826LA

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)

J. William Groves, Jr., M.d., L.l.c. 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
StateLouisianaEnrollment IDO20121025000219Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to J. William Groves, Jr., M.D., L.L.C., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Nurse Practitioner
NPI 1588368682
1890 W GAUTHIER RD STE 130
Lake Charles, LA 70605
(337) 480-5530
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1386859106
1890 W GAUTHIER RD SUITE 130
Lake Charles, LA 70605
(337) 480-5530
✔ PECOS✔ Accepts Medicare0.5 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 J. William Groves, Jr., M.D., L.L.C.'s NPI number?

The NPI number for J. William Groves, Jr., M.D., L.L.C. is 1740545466. It was assigned to this organization in the NPPES registry on July 9, 2012.

Where is J. William Groves, Jr., M.D., L.L.C. located?

J. William Groves, Jr., M.D., L.L.C. is located at 1890 W Gauthier Rd Ste 130, Lake Charles, LA 70605. The listed phone number is (337) 480-5530.

What is J. William Groves, Jr., M.D., L.L.C.'s specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is J. William Groves, Jr., M.D., L.L.C. enrolled in Medicare?

Yes. J. William Groves, Jr., M.D., L.L.C. is registered in the Medicare PECOS enrollment system.

When is J. William Groves, Jr., M.D., L.L.C.'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 (Louisiana, 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 J. William Groves, Jr., M.D., L.L.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to J. William Groves, Jr., M.D., L.L.C., in Nurse Practitioner and Obstetrics/Gynecology. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for J. William Groves, Jr., M.D., L.L.C. was last updated on August 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.