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

Dr. Suresh Ratnam, MD

Individual provider Medical Oncology Physician · NPI 1649217639

Dr. Suresh Ratnam, MD is a Medical Oncology in McAllen, Texas. Qualified in 1990, 36 years ago. Practices with Texas Oncology PA, a 1,005-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
36
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

1901 S 2nd St
McAllen, TX 78503-1271
Phone: (956) 687-5150
Fax: (956) 687-9546
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence K0165 (TX)

Record details

NPI number1649217639
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESDecember 9, 2021
Certification dateDecember 9, 2021
Mailing addressPo Box 911230, Dallas, TX 75391-1230

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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