Gareth Thomas Marsh, DO - Medicare Psychiatry in Columbia, MO

Gareth Thomas Marsh, DO is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Columbia, Missouri. He graduated from medical school in 2017 and has 7 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice St Lukes Clinic-treasure Valley Llc and his current practice location is 1 Hospital Dr, Columbia, Missouri. You can reach out to his office (for appointments etc.) via phone at (573) 882-8907.

Gareth Thomas Marsh is licensed to practice in Maryland (license number 2017020205) 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 1124558531.

Contact Information

Gareth Thomas Marsh, DO
1 Hospital Dr,
Columbia, MO 65212-1000
(573) 882-8907
(573) 884-1070

Map and Direction




Physician's Profile

Full NameGareth Thomas Marsh
GenderMale
SpecialityPsychiatry
Experience7 Years
Location1 Hospital Dr, Columbia, 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:
  • Gareth Thomas Marsh graduated from medical school in 2017
  NPI Data:
  • NPI Number: 1124558531
  • Provider Enumeration Date: 06/18/2017
  • Last Update Date: 06/18/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 7719257716
  • Enrollment ID: I20210726002892

Medical Identifiers

Medical identifiers for Gareth Thomas Marsh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124558531NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 2017020205 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Luke's Nampa Medical CenterNampa, IDHospital
St Luke's Regional Medical CenterBoise, IDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St Lukes Clinic-treasure Valley Llc4981878402991

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. Gareth Thomas Marsh allows following entities to bill medicare on his behalf.
Entity NameSt Lukes Clinic-treasure Valley Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326336058
PECOS PAC ID: 4981878402
Enrollment ID: O20111119000045

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. Gareth Thomas Marsh 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
Gareth Thomas Marsh, DO
1 Hospital Drive, Dco67.00,
Columbia, MO 65212

Ph: (573) 882-8907
Gareth Thomas Marsh, DO
1 Hospital Dr,
Columbia, MO 65212-1000

Ph: (573) 882-8907

Reviews and Comments


Psychiatry & Neurology Doctors in Columbia, MO

Dr. Anasseril E Daniel, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 33 E Broadway Ste 115, Columbia, MO 65203
Phone: 573-443-6930    Fax: 573-875-4272
Dr. Joseph J. Parks, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: Family Health Center Of Boone County, 1001 West Worley, Columbia, MO 35203
Phone: 573-214-2314    Fax: 573-814-2784
Dr. Robert Edward Frazier, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 367 Crown Pt, Columbia, MO 65203
Phone: 573-442-4346    Fax: 573-443-2027
Myles Brandon Goble, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 525 N. Keene Street, Suite 301, Columbia, MO 65201
Phone: 573-882-2260    Fax: 573-884-4249
Jeffrey Thiele, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 800 Hospital Dr, Columbia, MO 65201
Phone: 573-814-6000    
Lisa A Lacey, D.O.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 800 Hospital Dr, Columbia, MO 65201
Phone: 573-814-6480    
Katie Detmer,
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 1 Hospital Dr, Columbia, MO 65212
Phone: 573-882-4209    

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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