Dr Shirley S Joo, MD - Medicare Allergy/immunology in Saint Louis, MO

Dr Shirley S Joo, MD is a medicare enrolled "Internal Medicine - Allergy & Immunology" physician in Saint Louis, Missouri. She went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Allergy/immunology. Her current practice location is 615 S New Ballas Rd, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 251-6382.

Dr Shirley S Joo is licensed to practice in Missouri (license number 2001009169) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1144262825.

Contact Information

Dr Shirley S Joo, MD
615 S New Ballas Rd,
Saint Louis, MO 63141-8221
(314) 251-6382
Not Available

Map and Direction




Physician's Profile

Full NameDr Shirley S Joo
GenderFemale
SpecialityAllergy/immunology
Experience25 Years
Location615 S New Ballas Rd, Saint Louis, Missouri
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Shirley S Joo attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1144262825
  • Provider Enumeration Date: 06/10/2006
  • Last Update Date: 06/19/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9830285618
  • Enrollment ID: I20071010000492

Medical Identifiers

Medical identifiers for Dr Shirley S Joo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144262825NPI-NPPES
205801004MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RA0201XInternal Medicine - Allergy & Immunology 2001009169 (Missouri)Primary

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 Shirley S Joo allows following entities to bill medicare on her behalf.
Entity NameS&j Of South County Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053691709
PECOS PAC ID: 2567636293
Enrollment ID: O20111115000631

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 Shirley S Joo 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 Shirley S Joo, MD
615 S New Ballas Rd,
Saint Louis, MO 63141-8221

Ph: (314) 251-6382
Dr Shirley S Joo, MD
615 S New Ballas Rd,
Saint Louis, MO 63141-8221

Ph: (314) 251-6382

Reviews and Comments


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Phone: 314-362-5060    Fax: 314-362-6959

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.

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