Nadia Zia, MD - Medicare Internal Medicine in O Fallon, MO

Nadia Zia, MD is a medicare enrolled "Internal Medicine" physician in O Fallon, Missouri. Her current practice location is 2 Progress Point Ct, O Fallon, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 317-0600.

Nadia Zia is licensed to practice in Missouri (license number 2004023371) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1134164825.

Contact Information

Nadia Zia, MD
2 Progress Point Ct,
O Fallon, MO 63368-2208
(314) 317-0600
(314) 317-0606

Map and Direction




Physician's Profile

Full NameNadia Zia
GenderFemale
SpecialityInternal Medicine
Location2 Progress Point Ct, O Fallon, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1134164825
  • Provider Enumeration Date: 06/18/2006
  • Last Update Date: 06/19/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 6709844277
  • Enrollment ID: I20050314000026

Medical Identifiers

Medical identifiers for Nadia Zia such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134164825NPI-NPPES
1134164825MedicaidMO
1134164825MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2004023371 (Missouri)Primary
208M00000XHospitalist 2004023371 (Missouri)Secondary

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. Nadia Zia allows following entities to bill medicare on her behalf.
Entity NameSoutheastern Physician Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083835441
PECOS PAC ID: 0042307852
Enrollment ID: O20160809000235

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. Nadia Zia 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
Nadia Zia, MD
12101 Woodcrest Executive Dr, Suite 210,
Saint Louis, MO 63141-5047

Ph: (314) 317-0600
Nadia Zia, MD
2 Progress Point Ct,
O Fallon, MO 63368-2208

Ph: (314) 317-0600

Reviews and Comments


Internal Medicine Doctors in O Fallon, MO

Brian A Grus, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20 Progress Point Pkwy Ste 108, O Fallon, MO 63368
Phone: 636-344-2400    
Dr. Amy Kathleen Davis, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1008 Rock Creek Elementary School Dr, O Fallon, MO 63366
Phone: 636-281-4410    Fax: 636-281-4412
Dr. Saadia Taufiq Raza, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 6704 Keaton Corp Pkwy, O Fallon, MO 63368
Phone: 636-300-9596    Fax: 636-300-9598
Neal Holzum, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Ct, Ste 101a, O Fallon, MO 63368
Phone: 636-236-9945    
Kent Alexander Neil Cassmeyer, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 Winding Woods Dr Ste 214, O Fallon, MO 63366
Phone: 636-614-3289    Fax: 636-272-3680
Mei Huang, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20 Progress Point Pkwy Ste 206, O Fallon, MO 63368
Phone: 636-344-1073    

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.