Larry C Buck Ii, DO - Medicare Internal Medicine in Saint Louis, MO

Larry C Buck Ii, DO is a medicare enrolled "Internal Medicine" physician in Saint Louis, Missouri. He went to At Still University Of Health Sciences, College Of Osteo Med, Kirksville and graduated in 2016 and has 8 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice American Multispecialty Group Inc and his current practice location is 3409 Union Blvd, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 261-4834.

Larry C Buck Ii is licensed to practice in Missouri (license number 2019024147) 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 1851749139.

Contact Information

Larry C Buck Ii, DO
3409 Union Blvd,
Saint Louis, MO 63115-1127
(314) 261-4834
(314) 383-3970

Map and Direction




Physician's Profile

Full NameLarry C Buck Ii
GenderMale
SpecialityInternal Medicine
Experience8 Years
Location3409 Union Blvd, 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:
  • Larry C Buck Ii attended and graduated from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 2016
  NPI Data:
  • NPI Number: 1851749139
  • Provider Enumeration Date: 05/27/2016
  • Last Update Date: 06/05/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3779907688
  • Enrollment ID: I20200724002190

Medical Identifiers

Medical identifiers for Larry C Buck Ii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851749139NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2019024147 (Missouri)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
American Multispecialty Group Inc1658365572146

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. Larry C Buck Ii allows following entities to bill medicare on his behalf.
Entity NameAmerican Multispecialty Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972559532
PECOS PAC ID: 1658365572
Enrollment ID: O20040413001412

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. Larry C Buck Ii 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
Larry C Buck Ii, DO
Po Box 419052,
Saint Louis, MO 63141-9052

Ph: (314) 851-1000
Larry C Buck Ii, DO
3409 Union Blvd,
Saint Louis, MO 63115-1127

Ph: (314) 261-4834

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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