Michael William Nash, MD - Medicare Family Practice in Saint Louis, MO

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Michael William Nash, MD is a medicare enrolled "Family Medicine" physician in Saint Louis, Missouri. He went to Saint Louis University School Of Medicine and graduated in 2003 and has 23 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Mercy Clinic East Communities and his current practice location is 3637 S Geyer Rd, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 525-1887.

Michael William Nash is licensed to practice in Missouri (license number 2017029652) 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 1376577825.

Contact Information

Michael William Nash, MD
3637 S Geyer Rd,
Saint Louis, MO 63127-1203
(314) 525-1887
(314) 525-1868

Map and Direction




Physician's Profile

Full NameMichael William Nash
GenderMale
SpecialityFamily Practice
Experience23 Years
Location3637 S Geyer Rd, Saint Louis, 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 William Nash attended and graduated from Saint Louis University School Of Medicine in 2003
  NPI Data:
  • NPI Number: 1376577825
  • Provider Enumeration Date: 07/10/2006
  • Last Update Date: 07/21/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 8325040942
  • Enrollment ID: I20170907000777

Medical Identifiers

Medical identifiers for Michael William Nash such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376577825NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 2017029652 (Missouri)Primary
207Q00000XFamily Medicine 036-115521 (Illinois)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Delmar Gardens Home Care IncChesterfield, MOHome health agency
Mercy HospiceSaint louis, MOHospice
Preferred Hospice Of Missouri (northeast)Ballwin, MOHospice
New Haven Hospice Care, IncNew haven, MOHospice
Alternative Hospice, LlcFenton, MOHospice
St Croix HospiceSaint peters, MOHospice
Missouri Baptist Sullivan HospitalSullivan, MOHospital
Mercy Hospital JeffersonFestus, MOHospital
Christian Hospital Northeast-northwestSaint louis, MOHospital
Crystal OaksFestus, MONursing home
Meramec NursingSullivan, MONursing home
Grandview Healthcare CenterWashington, MONursing home
Cuba Manor IncCuba, MONursing home
Bethesda SouthgateSaint louis, MONursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic East Communities7214827922573

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 William Nash allows following entities to bill medicare on his behalf.
Entity NamePhysician Groups LC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285664268
PECOS PAC ID: 3072421254
Enrollment ID: O20040220001157
Entity NameMercy Clinic East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851335228
PECOS PAC ID: 7214827922
Enrollment ID: O20070521000006
Entity NameMercy Clinic East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043574940
PECOS PAC ID: 7214827922
Enrollment ID: O20070521000058

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 William Nash 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 William Nash, MD
3637 S Geyer Rd,
Saint Louis, MO 63127-1203

Ph: (314) 525-1887		Michael William Nash, MD
3637 S Geyer Rd,
Saint Louis, MO 63127-1203

Ph: (314) 525-1887

Reviews and Comments


Family Medicine Doctors in Saint Louis, MO

Alexander Keenan Holbrook, DO
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Mrs. Jetuan L Rowley-herron, M.D.
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Phone: 314-367-5820    Fax: 314-367-7010
Christopher Brian Espana, M.D.
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Dr. Sumera Younus, M.D.
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Practice Location: 3009 N Ballas Rd Ste 387c, Saint Louis, MO 63131
Phone: 314-996-5900    
Mrs. Teresita Agustin Cometa, MD
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Phone: 314-367-5820    Fax: 314-367-6326
Dr. Michael T Railey, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 6125 Clayton Ave, Ste 222, Saint Louis, MO 63139
Phone: 314-768-3685    Fax: 314-768-3940
Dr. Alan Valente A Padua, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 13303 Tesson Ferry Rd Ste 100, Saint Louis, MO 63128
Phone: 314-722-4741    Fax: 314-722-4731

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.