Dr Michael Scott Unnerstall, DC - Medicare Chiropractor in Ballwin, MO

Dr Michael Scott Unnerstall, DC is a medicare enrolled "Chiropractor" provider in Ballwin, Missouri. He went to Logan College Of Chiropractic and graduated in 1997 and has 27 years of diverse experience with area of expertise as Chiropractic. He is a member of the group practice Mercy Hospitals East Communities, Mercy Hospital South and his current practice location is 15945 Clayton Rd Ste 230c, Ballwin, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 256-5200.

Dr Michael Scott Unnerstall is licensed to practice in Missouri (license number 006570) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1043210222.

Contact Information

Dr Michael Scott Unnerstall, DC
15945 Clayton Rd Ste 230c,
Ballwin, MO 63011-2491
(636) 256-5200
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameDr Michael Scott Unnerstall
GenderMale
SpecialityChiropractic
Experience27 Years
Location15945 Clayton Rd Ste 230c, Ballwin, Missouri
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Michael Scott Unnerstall attended and graduated from Logan College Of Chiropractic in 1997
  NPI Data:
  • NPI Number: 1043210222
  • Provider Enumeration Date: 07/28/2005
  • Last Update Date: 10/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2567359946
  • Enrollment ID: I20040923000871

Medical Identifiers

Medical identifiers for Dr Michael Scott Unnerstall such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043210222NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
111N00000XChiropractor 006570 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital SouthSaint louis, MOHospital
Mercy Hospital St LouisSaint louis, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Hospitals East Communities165827681191
Mercy Hospital South842696255627

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 Michael Scott Unnerstall allows following entities to bill medicare on his behalf.
Provider NameMercy Hospital South
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1568481984
PECOS PAC ID: 8426962556
Enrollment ID: O20031113000592
Provider NameMercy Hospitals East Communities
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1790720282
PECOS PAC ID: 1658276811
Enrollment ID: O20041004000044

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 Michael Scott Unnerstall 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 Michael Scott Unnerstall, DC
1503 Zero Ave,
Washington, MO 63090-4714

Ph: (636) 239-0037
Dr Michael Scott Unnerstall, DC
15945 Clayton Rd Ste 230c,
Ballwin, MO 63011-2491

Ph: (636) 256-5200

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).

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.