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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

HOSPITAL MEDICINE SERVICES OF TX, PLLC
NPI 1821917899
Hospitalist in Conroe, TX

Active since July 14, 2026
504 MEDICAL CENTER BLVD, CONROE, TX 77304(936) 539-1111 Get Directions Write a Review

NPPES record added: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Hospital Medicine Services Of Tx, Pllc NPPES

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

HOSPITAL MEDICINE SERVICES OF TX, PLLC (NPI 1821917899) is a healthcare organization registered as a hospitalist in Conroe, Texas and active in the NPI registry since July 2026. The organization lists Vyvyan Derouen, President, as its authorized official.

NPPES Registry Identity

NPI1821917899
Entity TypeOrganization
Primary Taxonomy208M00000X
Legal Business NameHOSPITAL MEDICINE SERVICES OF TX, PLLC
Location Address504 MEDICAL CENTER BLVDConroe, TX 77304-2808
Mailing Address2000 Health Park DrBrentwood, TN 37027-4525 · (615) 373-7406
Phone(936) 539-1111
Organization SubpartYes
Authorized OfficialVyvyan DerouenPresident · (512) 482-4107
Enumeration DateJuly 14, 2026
NPPES CertifiedJuly 14, 2026
✔ NPI 1821917899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
504 MEDICAL CENTER BLVD, Conroe, TX 77304
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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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEHIK KHAWAJA CAA
Anesthesiologist Assistant
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (936) 539-1111
MICHELLE HEBERT M.D.
Pathology (Hematology)
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (713) 432-1100
DR. PETER WILLIAM HARRIS M.D
Emergency Medicine
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (936) 539-7044
HEENA KHAN MD
Internal Medicine
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (901) 857-3952
ANNE S. WITSON M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (713) 481-3544
EMILIE ROUAH M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (713) 481-3544
IRENE GELMAN MD
Hospitalist
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (713) 269-5483
TIMOTHY J O'BRIEN M.D.
Emergency Medicine
504 MEDICAL CENTER BLVD
CONROE, TX 77304
Montgomery County (409) 539-1111

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 Hospital Medicine Services Of Tx, PLLC's NPI number?

The NPI number for Hospital Medicine Services Of Tx, PLLC is 1821917899. It was assigned to this organization in the NPPES registry on July 14, 2026.

Where is Hospital Medicine Services Of Tx, PLLC located?

Hospital Medicine Services Of Tx, PLLC is located at 504 Medical Center Blvd, Conroe, TX 77304. The listed phone number is (936) 539-1111.

What is Hospital Medicine Services Of Tx, PLLC's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

When was this NPI record last updated?

The NPPES record for Hospital Medicine Services Of Tx, PLLC was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.