IVAN N MEFFORD MD PHD PA
NPI 1598858391
Family Medicine in Richmond, TX

Q: What is Ivan N Mefford MD Phd PA's NPI number?

The NPI number for Ivan N Mefford MD Phd PA is 1598858391. It was assigned to this organization in the NPPES registry on October 2, 2006.

Q: What is Ivan N Mefford MD Phd PA's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since October 02, 2006CLIA 45D1056309 · Waiver

1505 LIBERTY ST, RICHMOND, TX 77469(281) 342-9500(281) 342-6667 Get Directions Write a Review

NPPES record last updated: February 13, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Ivan N Mefford Md Phd Pa NPPES

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

IVAN N MEFFORD MD PHD PA (NPI 1598858391) is a healthcare organization registered as a family medicine in Richmond, Texas and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through July 11, 2028 and lists Ivan Newton Mefford, Owner, as its authorized official.

NPPES Registry Identity

NPI1598858391

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameIVAN N MEFFORD MD PHD PA

Location Address1505 LIBERTY STRichmond, TX 77469-3218

Mailing Address1505 Liberty StRichmond, TX 77469-3218 · (281) 342-9500 · Fax (281) 342-6667

Phone(281) 342-9500

Fax(281) 342-6667

Organization SubpartNo

Authorized OfficialIvan Newton MeffordOwner · (281) 342-9500

Enumeration DateOctober 2, 2006

Last NPPES UpdateFebruary 13, 2025

NPPES CertifiedFebruary 13, 2025

✔ NPI 1598858391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in TX · K0524

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1505 LIBERTY ST, Richmond, TX 77469

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Other Identifiers 1

OtherDF3269TX · Medicare Railroad

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

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ivan N Mefford Md Phd Pa 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 Ivan N Mefford MD Phd PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ivan Mefford, MD

Family Practice

NPI 1184672404

1505 LIBERTY ST
Richmond, TX 77469

(281) 342-9500

✔ 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.

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 45D1056309

Ivan N Mefford MD Phd PA · Richmond, TX

Active · expires Jul 11, 2028

CLIA Number45D1056309

Laboratory TypePhysician Office

Certificate Effective DateJuly 12, 2026

Certificate Expiration DateJuly 11, 2028

Laboratory DirectorIvan N. Mefford MD

Laboratory Phone(281) 342-9500

Laboratory LocationIvan N Mefford MD Phd PA1505 Liberty Street, Richmond, TX 77469

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only 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 Ivan N Mefford MD Phd PA's NPI number?

The NPI number for Ivan N Mefford MD Phd PA is 1598858391. It was assigned to this organization in the NPPES registry on October 2, 2006.

Where is Ivan N Mefford MD Phd PA located?

Ivan N Mefford MD Phd PA is located at 1505 Liberty St, Richmond, TX 77469. The listed phone number is (281) 342-9500.

What is Ivan N Mefford MD Phd PA's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ivan N Mefford MD Phd PA enrolled in Medicare?

Yes. Ivan N Mefford MD Phd PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ivan N Mefford MD Phd PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Ivan N Mefford MD Phd PA. 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.

Does Ivan N Mefford MD Phd PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1056309) is associated with this NPI, valid through July 11, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Ivan N Mefford MD Phd PA accept?

Health plans from WellPoint list Ivan N Mefford MD Phd PA 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 Ivan N Mefford MD Phd PA was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.