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BAYLOR ST. LUKE'S MEDICAL GROUP
NPI 1740485879
Internal Medicine in The Woodlands, TX

Active since June 19, 2007CLIA Certified · 4 labs
17350 ST LUKES WAY STE 400, THE WOODLANDS, TX 77384(936) 266-3513(936) 266-8568 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 12, 2024, Jan 24, 2017 (2 updates tracked since 2017).

About Baylor St. Luke's Medical Group NPPES

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

BAYLOR ST. LUKE'S MEDICAL GROUP (NPI 1740485879), doing business as St. Luke's Medical Group, is a healthcare organization registered as an internal medicine in The Woodlands, Texas and active in the NPI registry since June 2007. The organization holds 4 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Stephanie Valentine, Vp Finance Physician Enterprise, as its authorized official.

NPPES Registry Identity

NPI1740485879
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameBAYLOR ST. LUKE'S MEDICAL GROUP
Location Address17350 ST LUKES WAY STE 400The Woodlands, TX 77384-4167
Mailing Address17521 St Lukes Way Ste 180The Woodlands, TX 77384-8040 · (936) 266-3513 · Fax (936) 266-8568
Phone(936) 266-3513
Fax(936) 266-8568
Organization SubpartNo
Authorized OfficialStephanie ValentineVp Finance Physician Enterprise · (936) 676-3163
Enumeration DateJune 19, 2007
Last NPPES UpdateJune 30, 20262 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
✔ NPI 1740485879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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 ListedAnesthesiologyTaxonomy 207L00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Clinical Cardiac ElectrophysiologyTaxonomy 207RC0001X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X
Also ListedHospitalistTaxonomy 208M00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X
Also ListedNurse PractitionerTaxonomy 363L00000X
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X
Also ListedNurse Practitioner · Critical Care MedicineTaxonomy 363LC0200X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
17350 ST LUKES WAY STE 400, The Woodlands, TX 77384
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Other Names 1

Former Legal Business NameSt. Luke's Medical Group

Secondary Practice Locations 2

Location 1208 Oak Dr S Ste 200Lake Jackson, TX 77566-5640 · Phone (936) 266-3513 · Fax (936) 266-8568
Location 22255 E Mossy Oaks Rd Ste 320Spring, TX 77389-1812 · Phone (936) 266-3513 · Fax (936) 266-8568

Other Identifiers 1

OtherCE1701TX · Medicare Railroad

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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)

Baylor St. Luke's Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

167

Medicare enrollment records show 167 clinicians reassign Medicare billing to Baylor St. Luke's Medical Group, which bills Medicare for the services they deliver. Of these, 29 practice at this address and 73 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 26

Family Practice33
Nurse Practitioner30
Obstetrics/Gynecology17
Cardiovascular Disease (Cardiology)14
Internal Medicine14
Interventional Cardiology14
Orthopedic Surgery9
General Surgery6
18 other specialties30

Nearest to this location (20)

See all 167
Robert Aertker
Interventional Cardiology
NPI 1477843290
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Chacko Alexander, M.D.
Interventional Cardiology
NPI 1033110200
17350 ST LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Jessica Brown, M.D.
Advanced Heart Failure and Transplant Cardiology
NPI 1326391293
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Yong Choi, MD
General Surgery
NPI 1639235328
17350 ST LUKES WAY STE 200
The Woodlands, TX 77384
(936) 266-2690
✔ PECOS✔ Accepts MedicareSame address
Bernardo De La Guardia, M.D.
Interventional Cardiology
NPI 1225039498
17350 ST LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
David Kuten, M.D.
Interventional Cardiology
NPI 1881993236
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Bruce Lachterman, MD
Interventional Cardiology
NPI 1215938899
17350 ST LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Margit Nemeth, MD
Cardiovascular Disease (Cardiology)
NPI 1184678310
17350 ST LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Sandra Puga, AGACNP-BC
Nurse Practitioner
NPI 1871298380
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Christina Quiroga, NP
Nurse Practitioner
NPI 1144734682
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Brenda Peabody, M.D.
Cardiovascular Disease (Cardiology)
NPI 1861493389
17350 ST LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Christopher Lavergne, MD
Cardiovascular Disease (Cardiology)
NPI 1881695302
17350 ST LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Vincent Aquino, M.D.
Cardiovascular Disease (Cardiology)
NPI 1750382313
17350 ST. LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Debbie Arenstein, N.P
Nurse Practitioner
NPI 1104359819
17350 ST LUKES WAY SUITE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Cheyenne Benton, APRN, AGACNP-BC
Nurse Practitioner
NPI 1225773351
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Cheryl Brown, ACAGNP
Nurse Practitioner
NPI 1275957516
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Salim Cheriyan, M.D.
Urology
NPI 1265790554
17350 ST LUKES WAY STE 200
The Woodlands, TX 77384
(936) 266-2668
✔ PECOS✔ Accepts MedicareSame address
Efthymios Gkotsoulias, D.P.M.
Podiatry
NPI 1346506631
17350 ST LUKES WAY STE 200
The Woodlands, TX 77384
(832) 299-6311
✔ PECOS✔ Accepts MedicareSame address
Scott Greenberg, M.D.
Cardiac Electrophysiology
NPI 1588806566
17350 ST LUKES WAY STE 400
The Woodlands, TX 77384
(281) 444-3278
✔ PECOS✔ Accepts MedicareSame address
Christopher Kosarek, MD
Urology
NPI 1528445855
17350 ST LUKES WAY STE 200
The Woodlands, TX 77384
(936) 266-2000
✔ PECOS✔ Accepts MedicareSame address
See all 167 clinicians

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 4

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 45D2026404

Baylor St Luke's Medical Group Lake Jackson Fmc · Lake Jackson, TX
Active · expires Jun 29, 2027
CLIA Number45D2026404
Laboratory TypeFamily Medicine Center
Certificate Effective DateJune 30, 2025
Certificate Expiration DateJune 29, 2027
Laboratory DirectorMitesh Patel
Laboratory Phone(979) 285-3633
Laboratory LocationBaylor St Luke's Medical Group Lake Jackson Fmc208 Oak Drive South, Suite 200, Lake Jackson, TX 77566
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2140145

Baylor St Luke's Medical Group Brazosport Urology · Lake Jackson, TX
Active · expires Nov 14, 2027
CLIA Number45D2140145
Laboratory TypePhysician Office
Certificate Effective DateNovember 15, 2025
Certificate Expiration DateNovember 14, 2027
Laboratory DirectorMitesh Patel
Laboratory Phone(979) 299-0011
Laboratory LocationBaylor St Luke's Medical Group Brazosport Urology210 Lake Road, Suite 200, Lake Jackson, TX 77566
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2319305

Baylor St Luke's Medical Group Mac II Multispecialty · The Woodlands, TX
Active · expires Feb 25, 2027
CLIA Number45D2319305
Laboratory TypePhysician Office
Certificate Effective DateFebruary 26, 2025
Certificate Expiration DateFebruary 25, 2027
Laboratory DirectorChristopher Kosarek
Laboratory Phone(936) 266-5327
Laboratory LocationBaylor St Luke's Medical Group Mac II Multispecialty17350 St Luke's Way, Ste 200, The Woodlands, TX 77384
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2091279

Baylor St Luke's Medical Group Lake Road Fmc · Lake Jackson, TX
Active · expires Feb 9, 2027
CLIA Number45D2091279
Laboratory TypeFamily Medicine Center
Certificate Effective DateFebruary 10, 2025
Certificate Expiration DateFebruary 9, 2027
Laboratory DirectorMitesh Patel
Laboratory Phone(979) 285-9455
Laboratory LocationBaylor St Luke's Medical Group Lake Road Fmc210 Lake Road B-300, Lake Jackson, TX 77566
CLIA data matches this NPI record on: Name
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 Baylor St. Luke's Medical Group's NPI number?

The NPI number for Baylor St. Luke's Medical Group is 1740485879. It was assigned to this organization in the NPPES registry on June 19, 2007. The provider was formerly known as St. Luke's Medical Group.

Where is Baylor St. Luke's Medical Group located?

Baylor St. Luke's Medical Group is located at 17350 St Lukes Way Ste 400, The Woodlands, TX 77384. The listed phone number is (936) 266-3513.

What is Baylor St. Luke's Medical Group's specialty?

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

Is Baylor St. Luke's Medical Group enrolled in Medicare?

Yes. Baylor St. Luke's Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Baylor St. Luke's Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 167 clinicians in 26 Medicare specialties reassign their Medicare billing to Baylor St. Luke's 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 Family Practice (33), Nurse Practitioner (30) and Obstetrics/Gynecology (17). Of these, 29 practice at this address and 73 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Baylor St. Luke's Medical Group hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Baylor St. Luke's Medical Group accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Baylor St. Luke's Medical Group 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 Baylor St. Luke's Medical Group was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.