Dr Mary S Maish, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Lake Forest, Illinois. She went to Rush Medical College Of Rush University and graduated in 1999 and has 26 years of diverse experience with area of expertise as Thoracic Surgery. She is a member of the group practice Bronson Methodist Hospital and her current practice location is
800 N Westmoreland Rd Ste 100, Lake Forest, Illinois. You can reach out to her office (for appointments etc.) via phone at
(224) 271-4650.
Dr Mary S Maish is licensed to practice in Illinois (license number 036147674) and she also participates in the medicare program. She
accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1750316774.
Physician's Profile
| Full Name | Dr Mary S Maish |
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| Gender | Female |
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| Speciality | Thoracic Surgery |
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| Experience | 26 Years |
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| Location | 800 N Westmoreland Rd Ste 100, Lake Forest, Illinois |
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| Accepts Medicare Assignments | Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Dr Mary S Maish attended and graduated from Rush Medical College Of Rush University in 1999
NPI Data:
- NPI Number: 1750316774
- Provider Enumeration Date: 07/11/2006
- Last Update Date: 08/25/2025
Medicare PECOS Information:
- PECOS PAC ID: 0547226789
- Enrollment ID: I20250107003029
Medical Identifiers
Medical identifiers for Dr Mary S Maish such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1750316774 | NPI | - | NPPES |
| 00G868960 | Medicaid | CA | |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 208G00000X | Thoracic Surgery (cardiothoracic Vascular Surgery) | 4301513301 (Michigan) | Secondary |
| 208G00000X | Thoracic Surgery (cardiothoracic Vascular Surgery) | 01096488A (Indiana) | Secondary |
| 208G00000X | Thoracic Surgery (cardiothoracic Vascular Surgery) | 036147674 (Illinois) | Primary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
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| Bronson Methodist Hospital | 0244148633 | 657 |
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 Mary S Maish allows following entities to bill medicare on her behalf.
| Entity Name | Bronson Methodist Hospital |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1417961137
PECOS PAC ID: 0244148633
Enrollment ID: O20031208000832 |
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| Entity Name | Bronson Battle Creek Hospital |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1093119638
PECOS PAC ID: 0547173478
Enrollment ID: O20041103000774 |
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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 Mary S Maish 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 Address | Practice Location Address |
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Dr Mary S Maish, MD
800 N Westmoreland Rd Ste 100,
Lake Forest, IL 60045-1671
Ph: (224) 271-4650 | Dr Mary S Maish, MD
800 N Westmoreland Rd Ste 100,
Lake Forest, IL 60045-1671
Ph: (224) 271-4650 |
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