JAMES S. BROWN, III, M. D. PLLC
NPI 1689703324
Ophthalmology in Starkville, MS

Active since March 05, 2007CLIA 25D2065044 · Waiver
100 WALKER WAY, STARKVILLE, MS 39759(662) 320-6555 Get Directions Write a Review

NPPES record last updated: November 29, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About James S. Brown, Iii, M. D. Pllc NPPES

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

JAMES S. BROWN, III, M. D. PLLC (NPI 1689703324) is a healthcare organization registered as an ophthalmology in Starkville, Mississippi and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through September 2, 2027 and lists James Samuel Brown, Owner, as its authorized official.

NPPES Registry Identity

NPI1689703324
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameJAMES S. BROWN, III, M. D. PLLC
Location Address100 WALKER WAYStarkville, MS 39759-6607
Mailing AddressPo Box 1368Starkville, MS 39760-1368 · (662) 320-6555
Organization SubpartNo
Authorized OfficialJames Samuel BrownOwner · (662) 320-6555
Enumeration DateMarch 5, 2007
Last NPPES UpdateNovember 29, 2023
NPPES CertifiedNovember 29, 2023
✔ NPI 1689703324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MS · 16037
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
100 WALKER WAY, Starkville, MS 39759

Other Identifiers 2

Medicaid09016143MS
Other425085737MS · Blue Cross Of Ms

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

Accepted Insurance

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)

James S. Brown, Iii, M. D. Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

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
StateMississippiEnrollment IDO20100930024491DME · Physician - OptometristDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to James S. Brown, III, M. D. PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Ophthalmology
NPI 1336231489
100 WALKER WAY
Starkville, MS 39759
(662) 320-6555
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1184997926
301 NORTHLAKE AVE STE 101
Ridgeland, MS 39157
(601) 707-5255
✔ PECOS✔ Accepts Medicare100 mi
Optometry
NPI 1407102288
100 HOSPITAL DR W
Hattiesburg, MS 39402
(601) 268-5910
✔ PECOS✔ Accepts Medicare148 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 25D2065044

James S Brown, III, MD, PLLC · Starkville, MS
Active · expires Sep 2, 2027
CLIA Number25D2065044
Laboratory TypePhysician Office
Certificate Effective DateSeptember 3, 2025
Certificate Expiration DateSeptember 2, 2027
Laboratory DirectorJames S. Brown III
Laboratory Phone(662) 320-6555
Laboratory LocationJames S Brown, III, MD, PLLC100 Walker Way, Starkville, MS 39759
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Medical Equipment Supplier Medicare DMEPOS 3

Medicare supplier enrollment and the product categories James S. Brown, Lll, M. D. PLLC carries, from the Medicare DMEPOS supplier directory.

James S. Brown, Lll, M. D. PLLC

DMEPOS supplier · Starkville, MSOperated by James S. Brown, III, M. D. PLLC
✔

Accepts Medicare assignment

James S. Brown, Lll, M. D. PLLC agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.

PTAN (Medicare Supplier Number)21611145
Medicare Participant SinceOctober 1, 2001
Supplier Location100 Walker WayStarkville, MS 39759
Supplier Specialties
Optometrist

Medicare Product Categories

Prosthetic Lenses: Conventional Eyeglasses
Conventional Eyeglasses
Prosthetic Lenses: Conventional Contact Lenses
Conventional Contact Lenses
Prosthetic Lenses: Prosthetics Cataract Lenses
Cataract Eyeglasses
Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

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 S. Brown, III, M. D. PLLC's NPI number?

The NPI number for James S. Brown, III, M. D. PLLC is 1689703324. It was assigned to this organization in the NPPES registry on March 5, 2007.

Where is James S. Brown, III, M. D. PLLC located?

James S. Brown, III, M. D. PLLC is located at 100 Walker Way, Starkville, MS 39759. The listed phone number is (662) 320-6555.

What is James S. Brown, III, M. D. PLLC's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is James S. Brown, III, M. D. PLLC enrolled in Medicare?

Yes. James S. Brown, III, M. D. PLLC is registered in the Medicare PECOS enrollment system.

When is James S. Brown, III, M. D. PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (Mississippi, Physician - Optometrist) is due for revalidation by February 28, 2027. 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 James S. Brown, III, M. D. PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to James S. Brown, III, M. D. PLLC, in Ophthalmology and Optometry. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does James S. Brown, III, M. D. PLLC accept Medicare assignment for medical equipment?

Yes. As a Medicare medical equipment supplier, James S. Brown, Lll, M. D. PLLC accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.

Does James S. Brown, III, M. D. PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 25D2065044) is associated with this NPI, valid through September 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does James S. Brown, III, M. D. PLLC accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 4 other insurers list James S. Brown, III, M. D. PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James S. Brown, III, M. D. PLLC was last updated on November 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.