Ruben Ricardo Aymerich, MD - Medicare Gastroenterology in Saint Louis, MO

Ruben Ricardo Aymerich, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Saint Louis, Missouri. He went to University Of Puerto Rico School Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Ssm Medical Group Inc and his current practice location is 6400 Clayton Rd Ste 216, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 646-7848.

Ruben Ricardo Aymerich is licensed to practice in Missouri (license number 111010) 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 1609858562.

Contact Information

Ruben Ricardo Aymerich, MD
6400 Clayton Rd Ste 216,
Saint Louis, MO 63117-1850
(314) 646-7848
Not Available

Map and Direction




Physician's Profile

Full NameRuben Ricardo Aymerich
GenderMale
SpecialityGastroenterology
Experience28 Years
Location6400 Clayton Rd Ste 216, 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:
  • Ruben Ricardo Aymerich attended and graduated from University Of Puerto Rico School Of Medicine in 1996
  NPI Data:
  • NPI Number: 1609858562
  • Provider Enumeration Date: 11/16/2005
  • Last Update Date: 11/19/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 6901079243
  • Enrollment ID: I20111101000475

Medical Identifiers

Medical identifiers for Ruben Ricardo Aymerich such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609858562NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 111010 (Missouri)Primary
207RI0008XInternal Medicine - Hepatology 111010 (Missouri)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ssm St Clare Health CenterFenton, MOHospital
Ssm Health St Mary's Hospital - St LouisRichmond heights, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ssm Medical Group Inc6608776299496

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. Ruben Ricardo Aymerich allows following entities to bill medicare on his behalf.
Entity NameSsm Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700966207
PECOS PAC ID: 6608776299
Enrollment ID: O20040729001034

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. Ruben Ricardo Aymerich 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
Ruben Ricardo Aymerich, MD
Po Box 955534,
Saint Louis, MO 63195-5534

Ph: () -
Ruben Ricardo Aymerich, MD
6400 Clayton Rd Ste 216,
Saint Louis, MO 63117-1850

Ph: (314) 646-7848

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).

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.