Dr Mark W Stolar, MD - Medicare Internal Medicine in Woodstock, IL

Dr Mark W Stolar, MD is a medicare enrolled "Internal Medicine" physician in Woodstock, Illinois. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1979 and has 45 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Central Dupage Physician Group and his current practice location is 3707 Doty Rd Ste E&f, Woodstock, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 338-6600.

Dr Mark W Stolar is licensed to practice in Illinois (license number 036061561) 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 1396784591.

Contact Information

Dr Mark W Stolar, MD
3707 Doty Rd Ste E&f,
Woodstock, IL 60098-7530
(815) 338-6600
(815) 337-1980

Map and Direction




Physician's Profile

Full NameDr Mark W Stolar
GenderMale
SpecialityInternal Medicine
Experience45 Years
Location3707 Doty Rd Ste E&f, Woodstock, 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 Mark W Stolar attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1979
  NPI Data:
  • NPI Number: 1396784591
  • Provider Enumeration Date: 06/05/2006
  • Last Update Date: 03/18/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6507806312
  • Enrollment ID: I20101119001127

Medical Identifiers

Medical identifiers for Dr Mark W Stolar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396784591NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036061561 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Continental Home Health Care, IncWillowbrook, ILHome health agency
Central Dupage HospitalWinfield, ILHospital
Northwestern Memorial HospitalChicago, ILHospital
Northwestern Medicine Mchenry HospitalMchenry, ILHospital
Northwestern Lake Forest HospitalLake forest, ILHospital
Palos Community HospitalPalos heights, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Central Dupage Physician Group58906962311003

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 Mark W Stolar allows following entities to bill medicare on his behalf.
Entity NameCentral Dupage Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033149844
PECOS PAC ID: 5890696231
Enrollment ID: O20040303000601

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 Mark W Stolar 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 Mark W Stolar, MD
3707 Doty Rd Ste E&f,
Woodstock, IL 60098-7530

Ph: (815) 338-6600
Dr Mark W Stolar, MD
3707 Doty Rd Ste E&f,
Woodstock, IL 60098-7530

Ph: (815) 338-6600

Reviews and Comments


Internal Medicine Doctors in Woodstock, IL

Dr. Karen Judy, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3707 Doty Rd Ste D, Woodstock, IL 60098
Phone: 815-338-6600    Fax: 815-206-2802
Mr. Ray Jean Pensinger, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 105 S. Fleming Rd., Woodstock, IL 60098
Phone: 815-338-3427    Fax: 815-338-8653
Dr. Erin C Davis-delay, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3707 Doty Rd Ste E&f, Woodstock, IL 60098
Phone: 815-338-6600    Fax: 815-337-1980
Dr. Bibiano Ronquillo, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2000 Lake Ave, Woodstock, IL 60098
Phone: 815-337-7100    
Dr. Joseph S Emmons, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3707 Doty Rd Ste Candd, Woodstock, IL 60098
Phone: 815-338-6600    Fax: 815-206-1086
Jashan Gill, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3707 Doty Rd Ste Eandf, Woodstock, IL 60098
Phone: 815-338-6600    

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.