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

Nisar Ahmad, MD

Individual provider Medical Oncology Physician · NPI 1659390045

Nisar Ahmad, MD is a Hematology/Oncology in Harlingen, Texas. Qualified in 1998, 28 years ago. Practices with Berkshire Faculty Services Inc, a 275-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
28
Licensed in
TX
In the registry since
2006
Specialties on file
3
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

1719 Treasure Hills Blvd
Harlingen, TX 78550-8912
Phone: (956) 364-2131
Fax: (956) 364-2141
Show map & directions

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

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence N4887 (TX)
Medical Oncology Physician Taxonomy 207RX0202X · Licence N4887 (TX)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence N4887 (TX)

Record details

NPI number1659390045
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Berkshire Faculty Services Inc — 275 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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