Active NPI
Mark W Nielsen, M.D.
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Sioux City, IA
National Provider Identifier
1922056894
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- License
- 036115004
- Practice address
- 4630 Singing Hills Blvd
Suite a
Sioux City, IA 51106-9702 - Phone
- (712) 271-8346
- Fax
- (712) 271-8347
- NPI assigned
- May 4, 2006
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | 208G00000X | 036115004 | IA | Primary |
Addresses
Primary practice location
4630 Singing Hills Blvd
Suite a
Sioux City, IA 51106-9702
Mailing address
4630 Singing Hills Blvd
Suite a
Sioux City, IA 51106-9702
Phone (712) 271-8346
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036115004 | IA | MD | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Illinois Cardiovascular & Thoracic Surgery, LTD | Thoracic Surgery (Cardiothoracic Vascular Surgery) | Past | Accepting new patients |
| Cardiovascular Associates PC | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Cardiovascular Disease Physician
- Sioux City, IA
- NPI 1043284094
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Bloomington, IL
- NPI 1962450734
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146700800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1260144000000",
"number": "1922056894",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4630 SINGING HILLS BLVD",
"address_2": "SUITE A",
"city": "SIOUX CITY",
"state": "IA",
"postal_code": "511069702",
"telephone_number": "712-271-8346",
"fax_number": "712-271-8347"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4630 SINGING HILLS BLVD",
"address_2": "SUITE A",
"city": "SIOUX CITY",
"state": "IA",
"postal_code": "511069702",
"telephone_number": "712-271-8346",
"fax_number": "712-271-8347"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NIELSEN",
"first_name": "MARK",
"middle_name": "W",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-05-04",
"last_updated": "2009-12-07",
"status": "A"
},
"taxonomies": [
{
"code": "208G00000X",
"taxonomy_group": "",
"desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
"state": "IA",
"license": "036115004",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Sioux City, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 7, 2009; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.