Active NPI
Mark L Hopp, CRNA
- Certified Registered Nurse Anesthetist
- Marshalltown, IA
National Provider Identifier
1184606881
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 41129
- Practice address
- 312 E Main St
Ste 2300, Marshalltown Anesthesiologists PLC
Marshalltown, IA 50158-1888 - Phone
- (641) 752-7149
- Fax
- (641) 752-6320
- NPI assigned
- Nov 17, 2005
- Last updated
- Jul 13, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | 41129 | IA | Primary |
| Certified Registered Nurse Anesthetist | 367500000X | 056492 | IA | |
| Certified Registered Nurse Anesthetist | 367500000X | D056492 | IA |
Addresses
Primary practice location
312 E Main St
Ste 2300, Marshalltown Anesthesiologists PLC
Marshalltown, IA 50158-1888
Mailing address
312 E Main St
Ste 2300, Marshalltown Anesthesiologists PLC
Marshalltown, IA 50158-1888
Phone (641) 752-7149
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0168815 | Medicaid | IA | |
| 41908 | Other | IA | WBCBS OF IA |
| A006 | Other | TRIWEST | |
| IA0104 | Other | IA | JOHN DEERE HEALTH |
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
- Certified Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 41129 | IA | MD | Certified Registered Nurse Anesthetist |
| D056492 | IA | MD | Certified Registered Nurse Anesthetist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1132185600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1184606881",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "312 E MAIN ST",
"address_2": "STE 2300, MARSHALLTOWN ANESTHESIOLOGISTS PLC",
"city": "MARSHALLTOWN",
"state": "IA",
"postal_code": "501581888",
"telephone_number": "641-752-7149",
"fax_number": "641-752-6320"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "312 E MAIN ST",
"address_2": "STE 2300, MARSHALLTOWN ANESTHESIOLOGISTS PLC",
"city": "MARSHALLTOWN",
"state": "IA",
"postal_code": "501581888",
"telephone_number": "641-752-7149",
"fax_number": "641-752-6320"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOPP",
"first_name": "MARK",
"middle_name": "L",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-17",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "IA",
"license": "41129",
"primary": true
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "IA",
"license": "056492",
"primary": false
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "IA",
"license": "D056492",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0168815",
"state": "IA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "WBCBS OF IA",
"identifier": "41908",
"state": "IA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "TRIWEST",
"identifier": "A006",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "JOHN DEERE HEALTH",
"identifier": "IA0104",
"state": "IA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Marshalltown, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.