Dr John J Budd Iii, MD - Medicare Rheumatology in Saint Louis, MO

Dr John J Budd Iii, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Saint Louis, Missouri. He went to Saint Louis University School Of Medicine and graduated in 1982 and has 42 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Clayton Medical Associates Pc and his current practice location is 520 S Elm Ave, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 645-4434.

Dr John J Budd Iii is licensed to practice in Missouri (license number R2D17) 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 1669425989.

Contact Information

Dr John J Budd Iii, MD
520 S Elm Ave,
Saint Louis, MO 63119-3845
(314) 645-4434
(314) 645-3801

Map and Direction




Physician's Profile

Full NameDr John J Budd Iii
GenderMale
SpecialityRheumatology
Experience42 Years
Location520 S Elm Ave, 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:
  • Dr John J Budd Iii attended and graduated from Saint Louis University School Of Medicine in 1982
  NPI Data:
  • NPI Number: 1669425989
  • Provider Enumeration Date: 05/18/2006
  • Last Update Date: 02/25/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 4284767369
  • Enrollment ID: I20100727000945

Medical Identifiers

Medical identifiers for Dr John J Budd Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669425989NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology R2D17 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Barnes-jewish West County HospitalCreve coeur, MOHospital
Ssm Health St Mary's Hospital - St LouisRichmond heights, MOHospital
Missouri Baptist Medical CenterTown and country, MOHospital
Barnes Jewish HospitalSaint louis, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Clayton Medical Associates Pc91331775873

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 John J Budd Iii allows following entities to bill medicare on his behalf.
Entity NameClayton Medical Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891774329
PECOS PAC ID: 9133177587
Enrollment ID: O20050112000353

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 John J Budd Iii 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 John J Budd Iii, MD
520 S Elm Ave,
Saint Louis, MO 63119-3845

Ph: (314) 645-4434
Dr John J Budd Iii, MD
520 S Elm Ave,
Saint Louis, MO 63119-3845

Ph: (314) 645-4434

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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