Dr Nicholas W Frederickson, MD - Medicare Gastroenterology in Washington, MO

Dr Nicholas W Frederickson, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Washington, Missouri. He went to Saint Louis University School Of Medicine and graduated in 2010 and has 14 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Mercy Clinic Gastroenterology Llc and his current practice location is 901 Patients First Drive Suite 3300, Washington, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 239-7344.

Dr Nicholas W Frederickson is licensed to practice in Missouri (license number 2016012330) 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 1154640225.

Contact Information

Dr Nicholas W Frederickson, MD
901 Patients First Drive Suite 3300,
Washington, MO 63090
(636) 239-7344
(636) 239-9436

Map and Direction




Physician's Profile

Full NameDr Nicholas W Frederickson
GenderMale
SpecialityGastroenterology
Experience14 Years
Location901 Patients First Drive Suite 3300, Washington, 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:
  • Dr Nicholas W Frederickson attended and graduated from Saint Louis University School Of Medicine in 2010
  NPI Data:
  • NPI Number: 1154640225
  • Provider Enumeration Date: 05/27/2010
  • Last Update Date: 01/14/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2264734680
  • Enrollment ID: I20160707001341

Medical Identifiers

Medical identifiers for Dr Nicholas W Frederickson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154640225NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine R-8906 (Iowa)Secondary
207RG0100XInternal Medicine - Gastroenterology 2016012330 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital WashingtonWashington, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic Gastroenterology Llc862812179555

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 Nicholas W Frederickson allows following entities to bill medicare on his behalf.
Entity NameMercy Clinic Gastroenterology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528295334
PECOS PAC ID: 8628121795
Enrollment ID: O20090806000762

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 Nicholas W Frederickson 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 Nicholas W Frederickson, MD
901 Patients First Drive Suite 3300,
Washington, MO 63090

Ph: (636) 239-7344
Dr Nicholas W Frederickson, MD
901 Patients First Drive Suite 3300,
Washington, MO 63090

Ph: (636) 239-7344

Reviews and Comments


Internal Medicine Doctors in Washington, MO

Dr. Isaac I Cohen, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 901 Patients First Drive, Washington, MO 63090
Phone: 636-390-1600    Fax: 636-390-1601
Sudhanshu Gogia, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr, Washington, MO 63090
Phone: 636-239-7344    Fax: 636-239-9436
Rashid Mahmood Qureshi, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 901 E 5th St, Washington, MO 63090
Phone: 636-239-8231    
Dr. John R Douglas Peterson, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr Ste 3300, Washington, MO 63090
Phone: 636-239-7344    
Mohan Mallikarjuna Edupuganti, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr Ste 2500, Washington, MO 63090
Phone: 636-239-2711    
Dr. Roberto Pacheco-coronado, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr Ste 2500, Washington, MO 63090
Phone: 636-239-2711    

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.