Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARK D FRANCIS M.D.
NPI 1689662322
Specialist in Houston, TX

Q: What is Mark Francis's NPI number?

The NPI number for Mark Francis is 1689662322. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Q: What is Mark Francis's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Francis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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 October 06, 2005CLIA 45D0973219 · Waiver

12025 LOUETTA RD, HOUSTON, TX 77070(281) 370-0484(281) 251-7626 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mark D Francis M.d. NPPES

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

MARK D FRANCIS M.D. (NPI 1689662322) is an individual specialist in Houston, Texas, licensed in Texas (G3367) and active in the NPI registry since October 2005. He holds a CLIA Waiver certificate valid through April 27, 2028.

NPPES Registry Identity

NPI1689662322

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameMARK D FRANCISCredential: M.D.

Location Address12025 LOUETTA RDHouston, TX 77070-1149

Mailing Address12025 Louetta RdHouston, TX 77070-1149 · (281) 370-0484 · Fax (281) 251-7626

Phone(281) 370-0484

Fax(281) 251-7626

Sole ProprietorNo

Enumeration DateOctober 6, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1689662322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in TX · G3367

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

12025 LOUETTA RD, Houston, TX 77070

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Other Identifiers 1

OtherG3367TX · Medical License

Accepted Insurance

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

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 45D0973219

Mark D Francis, MD · Houston, TX

Active · expires Apr 27, 2028

CLIA Number45D0973219

Laboratory TypeCommunity Clinic

Certificate Effective DateApril 28, 2026

Certificate Expiration DateApril 27, 2028

Laboratory DirectorMark D. Francis

Laboratory Phone(281) 370-0484

Laboratory LocationMark D Francis, MD12025 Louetta #a, Houston, TX 77070

CLIA data matches this NPI record on: 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 Mark Francis's NPI number?

The NPI number for Mark Francis is 1689662322. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Where is Mark Francis located?

Mark Francis practices at 12025 Louetta Rd, Houston, TX 77070. The listed phone number is (281) 370-0484.

What is Mark Francis's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Does Mark Francis hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D0973219) is associated with this NPI, valid through April 27, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mark Francis accept?

Health plans from UnitedHealthcare list Mark Francis 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 Mark Francis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.