Dr Mark W Nielsen, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Sioux City, Iowa. His current practice location is
4630 Singing Hills Blvd, Suite A, Sioux City, Iowa. You can reach out to his office (for appointments etc.) via phone at
(712) 271-8346.
Dr Mark W Nielsen is licensed to practice in Iowa (license number 036115004) 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 1922056894.
Physician's Profile
| Full Name | Dr Mark W Nielsen |
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| Gender | Male |
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| Speciality | Thoracic Surgery (cardiothoracic Vascular Surgery) |
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| Location | 4630 Singing Hills Blvd, Sioux City, Iowa |
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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: 1922056894
- Provider Enumeration Date: 05/04/2006
- Last Update Date: 12/07/2009
Medicare PECOS Information:
- PECOS PAC ID: 5496769077
- Enrollment ID: I20091118000378
Medical Identifiers
Medical identifiers for Dr Mark W Nielsen such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1922056894 | NPI | - | NPPES |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 208G00000X | Thoracic Surgery (cardiothoracic Vascular Surgery) | 036115004 (Iowa) | 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 Mark W Nielsen allows following entities to bill medicare on his behalf.
| Entity Name | Siouxland Vein Center Pc |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1457687782
PECOS PAC ID: 3072651678
Enrollment ID: O20091118000380 |
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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 Mark W Nielsen 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 Mark W Nielsen, MD
4630 Singing Hills Blvd, Suite A,
Sioux City, IA 51106-9702
Ph: (712) 271-8346 | Dr Mark W Nielsen, MD
4630 Singing Hills Blvd, Suite A,
Sioux City, IA 51106-9702
Ph: (712) 271-8346 |
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