Andrew Dawson, DO - Medicare Neurology in Lake Saint Louis, MO

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Andrew Dawson, DO is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Lake Saint Louis, Missouri. He graduated from medical school in 2016 and has 9 years of diverse experience with area of expertise as Neurology. He is a member of the group practice Hannibal Regional Healthcare System Inc, Hope Headache And Neurology Llc and his current practice location is 2300 Hrc Plaza Dr, Lake Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 425-4673.

Andrew Dawson is licensed to practice in Missouri (license number 2021011023) 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 1912353533.

Contact Information

Andrew Dawson, DO
2300 Hrc Plaza Dr,
Lake Saint Louis, MO 63367-2367
(636) 425-4673
(636) 898-8198

Map and Direction




Physician's Profile

Full NameAndrew Dawson
GenderMale
SpecialityNeurology
Experience9 Years
Location2300 Hrc Plaza Dr, Lake Saint Louis, 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:
  • Andrew Dawson graduated from medical school in 2016
  NPI Data:
  • NPI Number: 1912353533
  • Provider Enumeration Date: 05/12/2016
  • Last Update Date: 09/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0042502478
  • Enrollment ID: I20211008002688

Medical Identifiers

Medical identifiers for Andrew Dawson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912353533NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology 05-47677 (Kansas)Secondary
2084N0400XPsychiatry & Neurology - Neurology 2021011023 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hannibal Regional HospitalHannibal, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hannibal Regional Healthcare System Inc1254236300227
Hope Headache And Neurology Llc14567002022

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. Andrew Dawson allows following entities to bill medicare on his behalf.
Entity NameMercy Hospitals East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851431738
PECOS PAC ID: 1658276811
Enrollment ID: O20031218000107
Entity NameHannibal Regional Healthcare System Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134311392
PECOS PAC ID: 1254236300
Enrollment ID: O20071004000422
Entity NameHinton Healthcare Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760626147
PECOS PAC ID: 8123178753
Enrollment ID: O20090602000628
Entity NameHope Headache And Neurology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831971829
PECOS PAC ID: 1456700202
Enrollment ID: O20231206000451

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. Andrew Dawson 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
Andrew Dawson, DO
2300 Hrc Plaza Dr,
Lake Saint Louis, MO 63367-2367

Ph: (636) 425-4673		Andrew Dawson, DO
2300 Hrc Plaza Dr,
Lake Saint Louis, MO 63367-2367

Ph: (636) 425-4673

Reviews and Comments


Psychiatry & Neurology Doctors in Lake Saint Louis, MO

Divya Sivakumar, D.O., M.A.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 2300 Hrc Plaza Dr, Lake Saint Louis, MO 63367
Phone: 636-425-4673    

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.