Michael O Johnson, MD - Medicare Critical Care (intensivists) in Saint Charles, MO

Michael O Johnson, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Saint Charles, Missouri. He went to University Of Nebraska College Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Critical Care (intensivists). He is a member of the group practice Ssm Health Care St Louis and his current practice location is 300 1st Capitol Dr, Saint Charles, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 947-5000.

Michael O Johnson is licensed to practice in Missouri (license number R7N07) 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 1205874476.

Contact Information

Michael O Johnson, MD
300 1st Capitol Dr,
Saint Charles, MO 63301-2844
(636) 947-5000
Not Available

Map and Direction




Physician's Profile

Full NameMichael O Johnson
GenderMale
SpecialityCritical Care (intensivists)
Experience36 Years
Location300 1st Capitol Dr, Saint Charles, 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:
  • Michael O Johnson attended and graduated from University Of Nebraska College Of Medicine in 1988
  NPI Data:
  • NPI Number: 1205874476
  • Provider Enumeration Date: 06/02/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 3476688003
  • Enrollment ID: I20100320000237

Medical Identifiers

Medical identifiers for Michael O Johnson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205874476NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine R7N07 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ssm St Joseph Hospital WestLake saint louis, MOHospital
Ssm St Joseph Health CenterSaint charles, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ssm Health Care St Louis7810800737122

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. Michael O Johnson 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

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. Michael O Johnson 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
Michael O Johnson, MD
1836 Lackland Hill Pkwy, Attn: Credentialing,
Saint Louis, MO 63146-3572

Ph: (314) 989-0300
Michael O Johnson, MD
300 1st Capitol Dr,
Saint Charles, MO 63301-2844

Ph: (636) 947-5000

Reviews and Comments


Internal Medicine Doctors in Saint Charles, MO

Lawrence Stephen Tierney, M.D.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 1st Capitol Dr Ste 201, Saint Charles, MO 63301
Phone: 636-669-2332    
Syed A Khalid, M.D.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 1st Capitol Dr, Saint Charles, MO 63301
Phone: 636-647-5000    Fax: 636-947-5090
Dr. Stephen M Comens, M.D.
Critical Care Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1551 Wall St, 4th Floor, Saint Charles, MO 63303
Phone: 636-669-2220    Fax: 636-669-2401
Dr. Shephali Himanshu Wulff, D.O
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 330 1st Capitol Dr Ste 260, Saint Charles, MO 63301
Phone: 636-925-0900    
Jerome E Thurman, M.D.,F.A.C.E.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 711 Veterans Memorial Pkwy Ste 200, Saint Charles, MO 63303
Phone: 636-669-2219    Fax: 636-669-2380
Dr. Hari H Diwakaran, M.D.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 1st Capitol Dr Ste 201, Saint Charles, MO 63301
Phone: 636-669-2332    Fax: 636-669-2401

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.