Johnathan Schnee Fagg, MD - Medicare Internal Medicine in Saint Louis, MO

Johnathan Schnee Fagg, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Saint Louis, Missouri. His current practice location is 621 S New Ballas Rd Ste 228a, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 251-4968.

Johnathan Schnee Fagg is licensed to practice in Missouri (license number 2023032929) 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 1811427636.

Contact Information

Johnathan Schnee Fagg, MD
621 S New Ballas Rd Ste 228a,
Saint Louis, MO 63141-8256
(314) 251-4968
(217) 545-4734

Map and Direction




Physician's Profile

Full NameJohnathan Schnee Fagg
GenderMale
SpecialityInternal Medicine - Pulmonary Disease
Location621 S New Ballas Rd Ste 228a, 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: 1811427636
  • Provider Enumeration Date: 06/14/2017
  • Last Update Date: 10/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2961771563
  • Enrollment ID: I20231010000275

Medical Identifiers

Medical identifiers for Johnathan Schnee Fagg such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811427636NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 036153001 (Illinois)Secondary
207RP1001XInternal Medicine - Pulmonary Disease 2023032929 (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. Johnathan Schnee Fagg allows following entities to bill medicare on his behalf.
Entity NameMercy Clinic Pulmonology - St. Louis, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821137886
PECOS PAC ID: 2365599925
Enrollment ID: O20090416000577

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. Johnathan Schnee Fagg 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
Johnathan Schnee Fagg, MD
Po Box 19627,
Springfield, IL 62794-9627

Ph: (217) 545-8000
Johnathan Schnee Fagg, MD
621 S New Ballas Rd Ste 228a,
Saint Louis, MO 63141-8256

Ph: (314) 251-4968

Reviews and Comments


Internal Medicine Doctors in Saint Louis, MO

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Phone: 314-362-1700    Fax: 314-362-9878
Dr. Erin Leigh Dyer, MD
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Practice Location: 4901 Forest Park Ave, Div Im General Med, Ste 241, Saint Louis, MO 63108
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.

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.