Sharon Greiner, MSN, CNM,FNP-BC - Medicare Nurse Practitioner in Merrillville, IN

Sharon Greiner, MSN, CNM,FNP-BC is a medicare enrolled "Advanced Practice Midwife" in Merrillville, Indiana. She graduated from nursing school in 2021 and has 3 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Midwest Express Care 4 Llc, Nwi Urgent Care, Llc and her current practice location is 6901 Broadway, Merrillville, Indiana. You can reach out to her office (for appointments etc.) via phone at (219) 763-8112.

Sharon Greiner is licensed to practice in Indiana (license number 09000477A) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1477218444.

Contact Information

Sharon Greiner, MSN, CNM,FNP-BC
6901 Broadway,
Merrillville, IN 46410-3535
(219) 763-8112
Not Available

Map and Direction




Provider's Profile

Full NameSharon Greiner
GenderFemale
SpecialityNurse Practitioner
Experience3 Years
Location6901 Broadway, Merrillville, Indiana
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sharon Greiner graduated from nursing school in 2021
  NPI Data:
  • NPI Number: 1477218444
  • Provider Enumeration Date: 11/04/2021
  • Last Update Date: 09/12/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5890189526
  • Enrollment ID: I20220223001700

Medical Identifiers

Medical identifiers for Sharon Greiner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477218444NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 71012214A (Indiana)Secondary
367A00000XAdvanced Practice Midwife 09000477A (Indiana)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Midwest Express Care 4 Llc428490961558
Nwi Urgent Care, Llc761814297731

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. Sharon Greiner allows following entities to bill medicare on her behalf.
Entity NameNwi Urgent Care, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043596703
PECOS PAC ID: 7618142977
Enrollment ID: O20111214000990

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. Sharon Greiner 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
Sharon Greiner, MSN, CNM,FNP-BC
6901 Broadway,
Merrillville, IN 46410-3535

Ph: (219) 763-8112
Sharon Greiner, MSN, CNM,FNP-BC
6901 Broadway,
Merrillville, IN 46410-3535

Ph: (219) 763-8112

Reviews and Comments


Advanced Practice Midwife Nurses in Merrillville, IN

Colleen Noel Sahy, CNM
Advanced Practice Midwife
Medicare: Medicare Enrolled
Practice Location: 300 W 80th Pl Ste B, Merrillville, IN 46410
Phone: 121-232-6522    Fax: 219-232-6539
Natalia Vera, CNM
Advanced Practice Midwife
Medicare: Medicare Enrolled
Practice Location: 6091 Broadway, Merrillville, IN 46410
Phone: 219-763-8112    

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.