Dr Erin Leigh Dyer, MD - Medicare General Practice in Saint Louis, MO

Dr Erin Leigh Dyer, MD is a medicare enrolled "General Practice" physician in Saint Louis, Missouri. Her current practice location is 4901 Forest Park Ave, Div Im General Med, Ste 241, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 362-5060.

Dr Erin Leigh Dyer is licensed to practice in Missouri (license number 2022049900) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1003431420.

Contact Information

Dr Erin Leigh Dyer, MD
4901 Forest Park Ave, Div Im General Med, Ste 241,
Saint Louis, MO 63108-1495
(314) 362-5060
(314) 362-6959

Map and Direction




Physician's Profile

Full NameDr Erin Leigh Dyer
GenderFemale
SpecialityGeneral Practice
Location4901 Forest Park Ave, 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: 1003431420
  • Provider Enumeration Date: 06/11/2020
  • Last Update Date: 09/21/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7618391558
  • Enrollment ID: I20230815003480

Medical Identifiers

Medical identifiers for Dr Erin Leigh Dyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003431420NPI-NPPES
200084896MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2022049900 (Missouri)Secondary
208M00000XHospitalist 2022049900 (Missouri)Secondary
208D00000XGeneral Practice 2022049900 (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 Erin Leigh Dyer allows following entities to bill medicare on her behalf.
Entity NameWashington University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992746903
PECOS PAC ID: 9830008770
Enrollment ID: O20031119000372

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 Erin Leigh Dyer 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 Erin Leigh Dyer, MD
660 S Euclid Ave, Msc 8121-0022-07,
Saint Louis, MO 63110-1010

Ph: (314) 362-5060
Dr Erin Leigh Dyer, MD
4901 Forest Park Ave, Div Im General Med, Ste 241,
Saint Louis, MO 63108-1495

Ph: (314) 362-5060

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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