DR. SIDDHARTHA GANGULY M.D.
NPI 1689767261
Internal Medicine - Hematology in Houston, TX
About Dr. Siddhartha Ganguly M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIDDHARTHA GANGULY M.D. (NPI 1689767261) is an individual hematology provider in Houston, Texas, licensed in Texas (S6620) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Siddhartha Ganguly M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXHouston Methodist Baytown Hospital
Acute Care Hospitals · Baytown, TXHouston Methodist Sugarland Hospital
Acute Care Hospitals · Sugar Land, TXHouston Methodist West Hospital
Acute Care Hospitals · Houston, TXHouston Methodist The Woodlands Hospital
Acute Care Hospitals · The Woodlands, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Siddhartha Ganguly's NPI number?
The NPI number for Siddhartha Ganguly is 1689767261. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Siddhartha Ganguly located?
Siddhartha Ganguly practices at 6445 Main Street Opc Floor 24, Houston, TX 77030. The listed phone number is (713) 441-9948.
What is Siddhartha Ganguly's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Siddhartha Ganguly enrolled in Medicare?
Yes. Siddhartha Ganguly is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Siddhartha Ganguly accept?
Health plans from Community Health Choice, Molina Healthcare, Oscar Insurance Company and WellPoint list Siddhartha Ganguly 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.
Is Siddhartha Ganguly affiliated with any hospitals?
According to CMS data, Siddhartha Ganguly is affiliated with Houston Methodist Hospital, Houston Methodist Baytown Hospital, Houston Methodist Sugarland Hospital, Houston Methodist West Hospital and Houston Methodist The Woodlands Hospital.
When was this NPI record last updated?
The NPPES record for Siddhartha Ganguly was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.