Dr Ahmad Basil Nasir, MD - Medicare Hospitalist in Saint Louis, MO

Dr Ahmad Basil Nasir, MD is a medicare enrolled "Hospitalist" physician in Saint Louis, Missouri. His current practice location is 1402 S Grand Blvd Rm M260, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 617-2359.

Dr Ahmad Basil Nasir is licensed to practice in Missouri (license number 2024041686) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1194345579.

Contact Information

Dr Ahmad Basil Nasir, MD
1402 S Grand Blvd Rm M260,
Saint Louis, MO 63104-1004
(314) 617-2359
Not Available

Map and Direction




Physician's Profile

Full NameDr Ahmad Basil Nasir
GenderMale
SpecialityHospitalist
Location1402 S Grand Blvd Rm M260, Saint Louis, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1194345579
  • Provider Enumeration Date: 04/25/2020
  • Last Update Date: 04/23/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4284168378
  • Enrollment ID: I20241210002112

Medical Identifiers

Medical identifiers for Dr Ahmad Basil Nasir such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194345579NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 35765 (Oklahoma)Secondary
208M00000XHospitalist 2024041686 (Missouri)Primary

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. Dr Ahmad Basil Nasir allows following entities to bill medicare on his behalf.
Entity NameEmergency Medicine Physicians Of Tulsa County Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003098773
PECOS PAC ID: 8628140225
Enrollment ID: O20080626000116
Entity NameUsacs Observation Medicine Services Of Oklahoma, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326739111
PECOS PAC ID: 9931562956
Enrollment ID: O20230823004181

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. Dr Ahmad Basil Nasir 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
Dr Ahmad Basil Nasir, MD
1008 S Spring Ave,
Saint Louis, MO 63110-2520

Ph: (314) 617-3177
Dr Ahmad Basil Nasir, MD
1402 S Grand Blvd Rm M260,
Saint Louis, MO 63104-1004

Ph: (314) 617-2359

Reviews and Comments


Hospitalist Doctors in Saint Louis, MO

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Dr. Patrick Hodge White, MD
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Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110
Phone: 314-362-1700    Fax: 314-362-9878

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.