Dr Michael G Koenig, MD - Medicare Pediatrics in Saint Louis, MO

Dr Michael G Koenig, MD is a medicare enrolled "Pediatrics" physician in Saint Louis, Missouri. His current practice location is 621 S New Ballas Rd Ste 2003b, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 251-5811.

Dr Michael G Koenig is licensed to practice in Illinois (license number 036136533) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1720171093.

Contact Information

Dr Michael G Koenig, MD
621 S New Ballas Rd Ste 2003b,
Saint Louis, MO 63141-8265
(314) 251-5811
(314) 251-5812

Map and Direction




Physician's Profile

Full NameDr Michael G Koenig
GenderMale
SpecialityPediatrics
Location621 S New Ballas Rd Ste 2003b, Saint Louis, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1720171093
  • Provider Enumeration Date: 10/01/2006
  • Last Update Date: 05/06/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2466432307
  • Enrollment ID: I20100806000888

Medical Identifiers

Medical identifiers for Dr Michael G Koenig such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720171093NPI-NPPES
1720171093MedicaidMO
2484440MedicaidOH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 2010003226 (Missouri)Secondary
2080P0214XPediatrics - Pediatric Pulmonology 2010003226 (Missouri)Secondary
208000000XPediatrics 036136533 (Illinois)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 Michael G Koenig allows following entities to bill medicare on his behalf.
Entity NameSsm Health Care St Louis
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275586174
PECOS PAC ID: 7810800737
Enrollment ID: O20031118000393
Entity NameCarestl Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376685529
PECOS PAC ID: 1557269289
Enrollment ID: O20031219000441

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 Michael G Koenig 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 Michael G Koenig, MD
Po Box 776084,
Chicago, IL 60677-6084

Ph: (314) 251-5811
Dr Michael G Koenig, MD
621 S New Ballas Rd Ste 2003b,
Saint Louis, MO 63141-8265

Ph: (314) 251-5811

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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