Nisar Ahmad, MD - Medicare Hematology/oncology in Harlingen, TX

Nisar Ahmad, MD is a medicare enrolled "Internal Medicine - Hematology" physician in Harlingen, Texas. He graduated from medical school in 1998 and has 26 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Berkshire Faculty Services Inc and his current practice location is 1719 Treasure Hills Blvd, Harlingen, Texas. You can reach out to his office (for appointments etc.) via phone at (956) 364-2131.

Nisar Ahmad is licensed to practice in Texas (license number N4887) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1659390045.

Contact Information

Nisar Ahmad, MD
1719 Treasure Hills Blvd,
Harlingen, TX 78550-8912
(956) 364-2131
(956) 364-2141

Map and Direction




Physician's Profile

Full NameNisar Ahmad
GenderMale
SpecialityHematology/oncology
Experience26 Years
Location1719 Treasure Hills Blvd, Harlingen, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Nisar Ahmad graduated from medical school in 1998
  NPI Data:
  • NPI Number: 1659390045
  • Provider Enumeration Date: 07/18/2006
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5193821338
  • Enrollment ID: I20190226003112

Medical Identifiers

Medical identifiers for Nisar Ahmad such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659390045NPI-NPPES
419512400MedicaidMD
962456-01 & 02OtherMDBLUE CROSS/BLUE SHIELD
S062-0381OtherMDBLUE CROSS/BLUE SHIELD - REGIONAL
374773501MedicaidTX
8HE963OtherTXBLUE CROSS/BLUE SHIELD OF TEXAS
0070245MedicaidOH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology N4887 (Texas)Secondary
207RH0000XInternal Medicine - Hematology N4887 (Texas)Primary
207RH0003XInternal Medicine - Hematology & Oncology N4887 (Texas)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hospicecare In The BerkshiresPittsfield, MAHospice
Berkshire Medical CenterPittsfield, MAHospital
Fairview HospitalGreat barrington, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Berkshire Faculty Services Inc8224068424222

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Nisar Ahmad allows following entities to bill medicare on his behalf.
Entity NameBerkshire Faculty Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548212939
PECOS PAC ID: 8224068424
Enrollment ID: O20050817001122

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Nisar Ahmad is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Nisar Ahmad, MD
1719 Treasure Hills Blvd,
Harlingen, TX 78550-8912

Ph: (956) 364-2131
Nisar Ahmad, MD
1719 Treasure Hills Blvd,
Harlingen, TX 78550-8912

Ph: (956) 364-2131

Reviews and Comments


Internal Medicine Doctors in Harlingen, TX

Alfredo Garcia, MD
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Phone: 956-365-4522    Fax: 956-365-4897
Dr. M. Shereef Hilmy Ii, MD
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Practice Location: 2310 N. Ed Carey Drive, Suite 1a, Harlingen, TX 78550
Phone: 956-428-5522    Fax: 956-430-3400
Linda M Alexander, M.D.
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Hector M Carmona, M.D.
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Practice Location: 2102 Treasure Hills Blvd, Harlingen, TX 78550
Phone: 832-293-0177    
Dr. Robert L. Hatcher, M.D.
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Practice Location: 28528 S Palm Court Dr, Harlingen, TX 78552
Phone: 956-425-3098    
Ariana Barbosa,
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Practice Location: 1806 Runnels St, Harlingen, TX 78550
Phone: 956-230-3181    Fax: 956-230-3182
Luis A Reynoso, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2401 N Ed Carey Dr, Ste C, Harlingen, TX 78550
Phone: 956-425-7800    Fax: 956-425-7801

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.