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

Individual provider Hematology (Internal Medicine) Physician · NPI 1689767261

Dr. Siddhartha Ganguly, MD is a Hematology in Houston, Texas. Qualified in 1987, 39 years ago. Practices with Tmh Physician Associates PLLC, a 1,899-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
39
Licensed in
TX
In the registry since
2006
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

6445 Main Street Opc Fl 24
Houston, TX 77030
Phone: (713) 441-9948
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence S6620 (TX)

Record details

NPI number1689767261
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 2, 2006
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Tmh Physician Associates Pllc — 1899 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations10 on file with Medicare

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