Jennifer L Martens, FNP - Medicare Nurse Practitioner in O Fallon, IL

Jennifer L Martens, FNP is a medicare enrolled "Nurse Practitioner - Family" in O Fallon, Illinois. She graduated from nursing school in 2014 and has 11 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Cep America-illinois Hospitalists, Llp and her current practice location is 1 Saint Elizabeth Blvd, O Fallon, Illinois. You can reach out to her office (for appointments etc.) via phone at (618) 234-2120.

Jennifer L Martens is licensed to practice in Illinois (license number 209016645) 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 1336659523.

Contact Information

Jennifer L Martens, FNP
1 Saint Elizabeth Blvd,
O Fallon, IL 62269-1099
(618) 234-2120
Not Available

Map and Direction




Provider's Profile

Full NameJennifer L Martens
GenderFemale
SpecialityNurse Practitioner
Experience11 Years
Location1 Saint Elizabeth Blvd, O Fallon, Illinois
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:
  • Jennifer L Martens graduated from nursing school in 2014
  NPI Data:
  • NPI Number: 1336659523
  • Provider Enumeration Date: 10/03/2017
  • Last Update Date: 09/10/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7416214846
  • Enrollment ID: I20171120002437

Medical Identifiers

Medical identifiers for Jennifer L Martens such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336659523NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 209016645 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hshs St Elizabeth's HospitalO fallon, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America-illinois Hospitalists, Llp3274765904111

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. Jennifer L Martens allows following entities to bill medicare on her behalf.
Entity NameCep America-illinois Hospitalists, Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841613403
PECOS PAC ID: 3274765904
Enrollment ID: O20140411001788

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. Jennifer L Martens 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
Jennifer L Martens, FNP
105 Riggs Pl,
Saint Charles, MO 63301-8490

Ph: (314) 348-8436
Jennifer L Martens, FNP
1 Saint Elizabeth Blvd,
O Fallon, IL 62269-1099

Ph: (618) 234-2120

Reviews and Comments


Nurse Practitioner Nurses in O Fallon, IL

Kathy Liefer, NURSE PRACTITIONER
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 3 Saint Elizabeth Blvd, O Fallon, IL 62269
Phone: 618-641-5803    
Megan Elizabeth Gomer, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1512 English Pine Ln, O Fallon, IL 62269
Phone: 309-368-8984    
Annamaria Griffith, DNP, FNP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1405 N Green Mount Rd Ste 240, O Fallon, IL 62269
Phone: 618-632-9000    
Ms. Shambra Cullum, APN
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1 Saint Elizabeth Blvd, O Fallon, IL 62269
Phone: 217-994-1485    
Mrs. Amy Marie Buck, APN
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 670 Pierce Blvd, O Fallon, IL 62269
Phone: 618-206-2070    
Derek Pechacek, FNP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 320 E Highway 50, O Fallon, IL 62269
Phone: 618-624-3368    Fax: 618-624-3387
Mrs. Kimberly Burgess, AGNP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 670 Pierce Blvd, O Fallon, IL 62269
Phone: 618-206-2094    

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.