Diane Stierwalt, CNP - Medicare Nurse Practitioner in Saint Louis, MO

Diane Stierwalt, CNP is a medicare enrolled "Nurse Practitioner" in Saint Louis, Missouri. She graduated from nursing school in 2003 and has 21 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Mercy Clinic Cardiovascular And Thoracic Surgery Llc, Pinckneyville Community Hospital and her current practice location is 10012 Kennerly Rd, Suite 403, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 880-6676.

Diane Stierwalt is licensed to practice in Illinois (license number 041321448) 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 1194722645.

Contact Information

Diane Stierwalt, CNP
10012 Kennerly Rd, Suite 403,
Saint Louis, MO 63128-2197
(314) 880-6676
(314) 842-4372

Map and Direction




Provider's Profile

Full NameDiane Stierwalt
GenderFemale
SpecialityNurse Practitioner
Experience21 Years
Location10012 Kennerly Rd, Saint Louis, Missouri
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:
  • Diane Stierwalt graduated from nursing school in 2003
  NPI Data:
  • NPI Number: 1194722645
  • Provider Enumeration Date: 06/30/2005
  • Last Update Date: 04/07/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 4082503602
  • Enrollment ID: I20040312000137

Medical Identifiers

Medical identifiers for Diane Stierwalt such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194722645NPI-NPPES
135330OtherMOLICENSE
041321448OtherILLICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner 041321448 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital St LouisSaint louis, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic Cardiovascular And Thoracic Surgery Llc620483219922
Pinckneyville Community Hospital812392163218

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. Diane Stierwalt allows following entities to bill medicare on her behalf.
Entity NameSsm Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700966207
PECOS PAC ID: 6608776299
Enrollment ID: O20040729001034
Entity NameMercy Clinic Cardiovascular And Thoracic Surgery Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538181466
PECOS PAC ID: 6204832199
Enrollment ID: O20061017000413

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. Diane Stierwalt 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
Diane Stierwalt, CNP
10012 Kennerly Rd, Suite 403,
Saint Louis, MO 63128-2197

Ph: (314) 880-6676
Diane Stierwalt, CNP
10012 Kennerly Rd, Suite 403,
Saint Louis, MO 63128-2197

Ph: (314) 880-6676

Reviews and Comments


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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).

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