Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nathan John Hallier, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1740920735

Nathan John Hallier, MD is an Obstetrics/Gynecology in Houston, Texas. Qualified in 2022, 4 years ago. Licensed in Texas.

Years since qualifying
4
Licensed in
TX
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6410 Fannin St Ste 350
Houston, TX 77030-3004
Phone: (806) 773-6805
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence V0414 (TX)

Record details

NPI number1740920735
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2022
Last updated in NPPESJuly 10, 2026
Certification dateJuly 10, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Houston