Dr Jeffrey George Geohas, MD - Medicare Internal Medicine in Evanston, IL

Dr Jeffrey George Geohas, MD is a medicare enrolled "Internal Medicine" physician in Evanston, Illinois. He went to Northwestern University Feinberg Medical School and graduated in 1993 and has 31 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 2500 Ridge Ave, Suite 104, Evanston, Illinois. You can reach out to his office (for appointments etc.) via phone at (847) 869-1192.

Dr Jeffrey George Geohas is licensed to practice in Illinois (license number 036093330) 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 1609846351.

Contact Information

Dr Jeffrey George Geohas, MD
2500 Ridge Ave, Suite 104,
Evanston, IL 60201-2455
(847) 869-1192
(847) 869-8354

Map and Direction




Physician's Profile

Full NameDr Jeffrey George Geohas
GenderMale
SpecialityInternal Medicine
Experience31 Years
Location2500 Ridge Ave, Evanston, Illinois
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 Jeffrey George Geohas attended and graduated from Northwestern University Feinberg Medical School in 1993
  NPI Data:
  • NPI Number: 1609846351
  • Provider Enumeration Date: 01/25/2006
  • Last Update Date: 10/04/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 4486664166
  • Enrollment ID: I20060426000227

Medical Identifiers

Medical identifiers for Dr Jeffrey George Geohas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609846351NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036093330 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Central Dupage HospitalWinfield, ILHospital
Northshore University Healthsystem - Evanston HospitalEvanston, ILHospital
Presence Saint Francis HospitalEvanston, ILHospital

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 Jeffrey George Geohas allows following entities to bill medicare on his behalf.
Entity NameEvanston Premier Healthcare Research Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508124744
PECOS PAC ID: 5799938064
Enrollment ID: O20130117000271

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 Jeffrey George Geohas 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 Jeffrey George Geohas, MD
2500 Ridge Ave, Suite 104,
Evanston, IL 60201-2455

Ph: (847) 869-1192
Dr Jeffrey George Geohas, MD
2500 Ridge Ave, Suite 104,
Evanston, IL 60201-2455

Ph: (847) 869-1192

Reviews and Comments


Internal Medicine Doctors in Evanston, IL

James Francis Kelly, DO
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Phone: 847-570-1010    Fax: 847-733-5108
Ashley Rachel Mohan, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 2650 Ridge Ave., Im/icu Hospitalists, Evanston, IL 60201
Phone: 847-570-1010    Fax: 847-733-5108
Andie Kwon, MD
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Practice Location: 2650 Ridge Ave Ste 1304, Evanston, IL 60201
Phone: 847-570-2700    Fax: 847-570-2822
Adela Kola, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 2650 Ridge Ave Ste 4210, Evanston, IL 60201
Phone: 847-570-1010    Fax: 847-733-5108
Matthew R. Sherwood, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 2650 Ridge Ave, Division Of Internal Medicine Rm 4324, Evanston, IL 60201
Phone: 847-570-1010    Fax: 847-733-5128
Dipika Oberoi, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 2650 Ridge Ave, Evanston, IL 60201
Phone: 847-570-2700    
Neal N. Dodia, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2650 Ridge Ave, Evanston, IL 60201
Phone: 847-982-3171    

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.