Dr Mervin Nigel Leader, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Fairfield, Illinois. His current practice location is
303 Nw 11th St, Fairfield, Illinois. You can reach out to his office (for appointments etc.) via phone at
(618) 842-4617.
Dr Mervin Nigel Leader is licensed to practice in Illinois (license number 036163562) 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 1255522611.
Physician's Profile
| Full Name | Dr Mervin Nigel Leader |
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| Gender | Male |
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| Speciality | Psychiatry & Neurology - Psychiatry |
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| Location | 303 Nw 11th St, Fairfield, Illinois |
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| Accepts Medicare Assignments | Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs. |
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NPI Data:
- NPI Number: 1255522611
- Provider Enumeration Date: 08/09/2007
- Last Update Date: 03/28/2023
Medicare PECOS Information:
- PECOS PAC ID: 8729175583
- Enrollment ID: I20071026000338
Medical Identifiers
Medical identifiers for Dr Mervin Nigel Leader such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1255522611 | NPI | - | NPPES |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 2084P0800X | Psychiatry & Neurology - Psychiatry | E-5515 (Arkansas) | Secondary |
| 2084P0800X | Psychiatry & Neurology - Psychiatry | 036163562 (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 Mervin Nigel Leader allows following entities to bill medicare on his behalf.
| Entity Name | St. Francis House Nwa, Inc. |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1417197245
PECOS PAC ID: 0042262495
Enrollment ID: O20090526000134 |
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| Entity Name | St. Francis House Nwa, Inc. |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1578214615
PECOS PAC ID: 0042262495
Enrollment ID: O20220527002133 |
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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 Mervin Nigel Leader 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 Mervin Nigel Leader, MD
303 Nw 11th St,
Fairfield, IL 62837-1203
Ph: (618) 842-4617 | Dr Mervin Nigel Leader, MD
303 Nw 11th St,
Fairfield, IL 62837-1203
Ph: (618) 842-4617 |
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