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RUAN MEDICAL GROUP
NPI 1407394844
Internal Medicine in Houston, TX

Active since February 06, 2017CLIA 45D2163501 · Waiver
333 WEST LOOP N STE 250, HOUSTON, TX 77024(713) 690-1991(713) 690-1980 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 20, 2026, Jul 18, 2024, Jul 5, 2023 and 10 more (13 updates tracked since 2017).

About Ruan Medical Group NPPES

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

RUAN MEDICAL GROUP (NPI 1407394844) is a healthcare organization registered as an internal medicine in Houston, Texas and active in the NPI registry since February 2017. The organization holds a CLIA Waiver certificate valid through November 10, 2026 and lists Cristina Frausto, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1407394844
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameRUAN MEDICAL GROUP
Location Address333 WEST LOOP N STE 250Houston, TX 77024-7767
Mailing Address333 West Loop N Ste 250Houston, TX 77024-1751 · (713) 690-1991 · Fax (713) 690-1980
Phone(713) 690-1991
Fax(713) 690-1980
Organization SubpartNo
Authorized OfficialCristina FraustoPractice Administrator · (713) 690-1991
Enumeration DateFebruary 6, 2017
Last NPPES UpdateMay 20, 202613 updates tracked since enumeration
NPPES CertifiedMay 20, 2026
✔ NPI 1407394844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · P5884
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedDietitian, RegisteredTaxonomy 133V00000X
Also ListedHealth and Wellness CoachTaxonomy 171400000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedClinic/Center · Infusion TherapyTaxonomy 261QI0500X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
333 WEST LOOP N STE 250, Houston, TX 77024
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Other Names 2

Doing Business AsRuan Medical Group
Doing Business AsTexas Center For Lifestyle Medicine

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Ruan Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Ruan Medical Group, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Deema Farah, MD
Family Practice
NPI 1669887295
333 WEST LOOP N STE 250
Houston, TX 77024
(713) 690-1991
✔ PECOS✔ Accepts MedicareSame address
Cheng-Huai Ruan, M.D.
Internal Medicine
NPI 1629210927
333 WEST LOOP N STE 250
Houston, TX 77024
(713) 690-1991
✔ PECOS✔ Accepts MedicareSame address
Gardner Mack, MSN, APRN, FNP-C
Nurse Practitioner
NPI 1609612605
333 WEST LOOP N STE 250
Houston, TX 77024
(713) 690-1991
✔ PECOSSame address
Cynthia Obiofuma
Nurse Practitioner
NPI 1750066817
333 WEST LOOP N STE 250
Houston, TX 77024
(713) 690-1991
✔ PECOSSame address
Michelle Rodriguez, NP-C
Nurse Practitioner
NPI 1346623790
7200 CAMBRIDGE ST FL 8
Houston, TX 77030
(713) 798-0950
✔ PECOS✔ Accepts Medicare6.3 mi
Alexander Landfield, M.D.
Neurology
NPI 1447451463
225 HOSPITAL DR STE 210
Winchester, KY 40391
(597) 457-7008
✔ PECOS✔ Accepts Medicare859 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 45D2163501

Ruan Medical Group · Houston, TX
Active · expires Nov 10, 2026
CLIA Number45D2163501
Laboratory TypePhysician Office
Certificate Effective DateNovember 11, 2024
Certificate Expiration DateNovember 10, 2026
Laboratory DirectorCheng H. Ruan
Laboratory Phone(713) 690-1991
Laboratory LocationRuan Medical Group333 West Loop N Suite 250, Houston, TX 77024
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 Ruan Medical Group's NPI number?

The NPI number for Ruan Medical Group is 1407394844. It was assigned to this organization in the NPPES registry on February 6, 2017. The provider is doing business as Texas Center For Lifestyle Medicine.

Where is Ruan Medical Group located?

Ruan Medical Group is located at 333 West Loop N Ste 250, Houston, TX 77024. The listed phone number is (713) 690-1991.

What is Ruan Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ruan Medical Group enrolled in Medicare?

Yes. Ruan Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ruan Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 4 Medicare specialties reassign their Medicare billing to Ruan Medical Group. 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. The largest specialties are Nurse Practitioner (3), Family Practice (1) and Internal Medicine (1). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Ruan Medical Group hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2163501) is associated with this NPI, valid through November 10, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ruan Medical Group was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.