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MADISON OB/GYN ASSOCIATES LLC
NPI 1699068775
Obstetrics & Gynecology in Madison, MS

Active since May 23, 2011CLIA 25D2026453 · Microscopy
115 FOUNTAINS BLVD, SUITE A, MADISON, MS 39110(601) 853-0100(601) 853-3999 Get Directions Write a Review

NPPES record last updated: December 13, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 13, 2022, Jun 23, 2016 (2 updates tracked since 2016).

About Madison Ob/gyn Associates Llc NPPES

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

MADISON OB/GYN ASSOCIATES LLC (NPI 1699068775) is a healthcare organization registered as an obstetrics & gynecology in Madison, Mississippi and active in the NPI registry since May 2011. The organization holds a CLIA Microscopy certificate valid through June 29, 2027 and lists Leslie F Mason, Partner, as its authorized official.

NPPES Registry Identity

NPI1699068775
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameMADISON OB/GYN ASSOCIATES LLC
Location Address115 FOUNTAINS BLVD, SUITE AMadison, MS 39110-6344
Mailing Address115 Fountains Blvd, Suite AMadison, MS 39110-6344 · (601) 853-0100 · Fax (601) 853-3999
Phone(601) 853-0100
Fax(601) 853-3999
Organization SubpartNo
Authorized OfficialLeslie F MasonPartner · (601) 853-0100
Enumeration DateMay 23, 2011
Last NPPES UpdateDecember 13, 20222 updates tracked since enumeration
NPPES CertifiedDecember 13, 2022
✔ NPI 1699068775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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.
Also ListedSpecialistTaxonomy 174400000X
115 FOUNTAINS BLVD, Madison, MS 39110
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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)

Madison Ob/gyn Associates Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Madison Ob/Gyn Associates LLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Leslie Mason, M.D.
Obstetrics/Gynecology
NPI 1275731929
115 FOUNTAINS BLVD SUITE A
Madison, MS 39110
(601) 853-0100
✔ PECOS0.1 mi
Erika Tanner, M.D.
Obstetrics/Gynecology
NPI 1679732788
115 FOUNTAINS BLVD SUITE A
Madison, MS 39110
(601) 853-0100
✔ PECOS0.1 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 for Provider-Performed Microscopy Procedures (PPMP) 25D2026453

Madison Ob/Gyn Associates LLC · Madison, MS
Active · expires Jun 29, 2027
CLIA Number25D2026453
Laboratory TypePhysician Office
Certificate Effective DateJune 30, 2025
Certificate Expiration DateJune 29, 2027
Laboratory DirectorErika L. Tanner
Laboratory Phone(601) 855-4321
Laboratory LocationMadison Ob/Gyn Associates LLC115 Fountains Blvd, Suite A, Madison, MS 39110
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Madison Ob/Gyn Associates LLC's NPI number?

The NPI number for Madison Ob/Gyn Associates LLC is 1699068775. It was assigned to this organization in the NPPES registry on May 23, 2011.

Where is Madison Ob/Gyn Associates LLC located?

Madison Ob/Gyn Associates LLC is located at 115 Fountains Blvd Suite A, Madison, MS 39110. The listed phone number is (601) 853-0100.

What is Madison Ob/Gyn Associates LLC's specialty?

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

Is Madison Ob/Gyn Associates LLC enrolled in Medicare?

Yes. Madison Ob/Gyn Associates LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Madison Ob/Gyn Associates LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to Madison Ob/Gyn Associates LLC. 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Madison Ob/Gyn Associates LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 25D2026453) is associated with this NPI, valid through June 29, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Madison Ob/Gyn Associates LLC was last updated on December 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.