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

Dr. Ruby Samuel John, MD

Individual provider Internal Medicine Physician · NPI 1629224118

Dr. Ruby Samuel John, MD is an Internal Medicine in The Woodlands, Texas. Qualified in 2005, 21 years ago. Practices with Westwood Primary Care, PLLC, a 19-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
21
Licensed in
TX
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10020 Research Forest Dr
The Woodlands, TX 77354-6780
Phone: (281) 356-1945
Fax: (281) 356-1978
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence P1334 (TX)

Record details

NPI number1629224118
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2008
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Westwood Primary Care, Pllc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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