Tanveer Ahmad, MD - Medicare Internal Medicine in Marengo, IL

Tanveer Ahmad, MD is a medicare enrolled "Internal Medicine" physician in Marengo, Illinois. He graduated from medical school in 1980 and has 44 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 21807 W Grant Hwy, Marengo, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 568-1074.

Tanveer Ahmad is licensed to practice in Illinois (license number 036072630) 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 1093811374.

Contact Information

Tanveer Ahmad, MD
21807 W Grant Hwy,
Marengo, IL 60152-2944
(815) 568-1074
(815) 568-0134

Map and Direction




Physician's Profile

Full NameTanveer Ahmad
GenderMale
SpecialityInternal Medicine
Experience44 Years
Location21807 W Grant Hwy, Marengo, Illinois
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:
  • Tanveer Ahmad graduated from medical school in 1980
  NPI Data:
  • NPI Number: 1093811374
  • Provider Enumeration Date: 09/15/2006
  • Last Update Date: 02/07/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 5395646640
  • Enrollment ID: I20040119000623

Medical Identifiers

Medical identifiers for Tanveer Ahmad such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093811374NPI-NPPES
036072630MedicaidIL
05600319OtherILBCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036072630 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Evergreen Home Health Care/astra Health WestGlenview, ILHome health agency
Heartland Hospice Services, IncRockford, ILHospice
Central Dupage HospitalWinfield, ILHospital
Northwestern Medicine Mchenry HospitalMchenry, ILHospital
Florence Nursing HomeMarengo, ILNursing home

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. Tanveer Ahmad allows following entities to bill medicare on his behalf.
Entity NameT Ahmad Md Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790078111
PECOS PAC ID: 5294906624
Enrollment ID: O20110915000464

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. Tanveer 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
Tanveer Ahmad, MD
Po Box 1527,
Woodstock, IL 60098-1527

Ph: (815) 338-0900
Tanveer Ahmad, MD
21807 W Grant Hwy,
Marengo, IL 60152-2944

Ph: (815) 568-1074

Reviews and Comments


Internal Medicine Doctors in Marengo, IL

Jerry Ward Cargill, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 556 E Grant Hwy, Marengo, IL 60152
Phone: 815-568-7313    Fax: 815-568-0151
Indu Yogesh Vaidya, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 556 E Grant Hwy, Marengo, IL 60152
Phone: 815-568-7313    Fax: 815-568-0151

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.