P Praxis·MD
● Active Type 1 · Individual

Nisar Ahmad, M.D.

Internal Medicine·Harlingen, TX· NPI 1659390045 · Enumerated 2006 · 19 years on NPI
Ahmad is 1 of 1 internal medicine providers in Harlingen and 1 of 78 in Texas.
NPI age
19 years
Enumerated 2006-07-18
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-07-21
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 78 active internal medicine providers in Texas.

NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
14% of peers hold multiple states
Subspecialties
2
In the 52% of peers with subspecialties

NPI lifetime · 2006 → 2026

2006-07Enumerated in NPPES
2006 2026

Where they practice

Practice location
1719 Treasure Hills Blvd
Harlingen, TX 785508912
📞 9563642131fax 9563642141
Mailing address
1719 Treasure Hills Blvd
Harlingen, TX 785508912
📞 9563642131fax 9563642141

Specialties

  • Internal Medicine Primary
    An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
    TX license #N4887 taxonomy 207RH0000X
  • Internal Medicine
    An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
    TX license #N4887 taxonomy 207RX0202X
  • Internal Medicine
    An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
    TX license #N4887 taxonomy 207RH0003X

Identifiers

TypeValueNotes
05 (MD) 419512400
01 (MD) 962456-01 & 02 BLUE CROSS/BLUE SHIELD
01 (MD) S062-0381 BLUE CROSS/BLUE SHIELD - REGIONAL
05 (TX) 374773501
01 (TX) 8HE963 BLUE CROSS/BLUE SHIELD OF TEXAS
05 (OH) 0070245

Practice context

Part of a multi-provider practice. 6 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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