Dr Joseph P So, MD - Medicare Internal Medicine in Mattoon, IL

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Dr Joseph P So, MD is a medicare enrolled "Internal Medicine" physician in Mattoon, Illinois. His current practice location is 1000 Health Center Dr, Mattoon, Illinois. You can reach out to his office (for appointments etc.) via phone at (217) 238-4325.

Dr Joseph P So is licensed to practice in Illinois (license number 036-127806) 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 1598087025.

Contact Information

Dr Joseph P So, MD
1000 Health Center Dr,
Mattoon, IL 61938-9261
(217) 238-4325
(217) 238-4320

Map and Direction




Physician's Profile

Full NameDr Joseph P So
GenderMale
SpecialityInternal Medicine
Location1000 Health Center Dr, Mattoon, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1598087025
  • Provider Enumeration Date: 02/25/2010
  • Last Update Date: 01/08/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 3274700364
  • Enrollment ID: I20120112000274

Medical Identifiers

Medical identifiers for Dr Joseph P So such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598087025NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 036-127806 (Illinois)Secondary
207R00000XInternal Medicine 036-127806 (Illinois)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. Dr Joseph P So allows following entities to bill medicare on his behalf.
Entity NameSarah Bush Lincoln Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669564662
PECOS PAC ID: 5092614867
Enrollment ID: O20031231000478

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 Joseph P So 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 Joseph P So, MD
1005 Health Center Dr Ste 201,
Mattoon, IL 61938-4693

Ph: (217) 238-6055		Dr Joseph P So, MD
1000 Health Center Dr,
Mattoon, IL 61938-9261

Ph: (217) 238-4325

Reviews and Comments


Internal Medicine Doctors in Mattoon, IL

Julian Vassay, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 Professional Plaza, Mattoon, IL 61938
Phone: 217-258-2110    Fax: 217-238-3434
Kiran Joag, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 200 Richmond Ave E, Mattoon, IL 61938
Phone: 217-234-7400    Fax: 217-234-7011
Dr. Alexis Ayonote, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Health Center Dr, Mattoon, IL 61938
Phone: 217-258-4155    
Dr. Sathya Subbiah, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 200 Richmond Ave E Ste 3, Mattoon, IL 61938
Phone: 217-234-7000    Fax: 217-234-2060
Ashish Moonat, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Health Center Dr, Mattoon, IL 61938
Phone: 217-238-4325    Fax: 217-348-4290
Ashley Jean Smith Nunez, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Health Center Dr, Mattoon, IL 61938
Phone: 217-238-4960    Fax: 217-238-4951
David Winograd, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 Professional Plz, Mattoon, IL 61938
Phone: 217-238-3730    Fax: 217-238-3732

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.