Individual provider Active NPI

Mark L Hopp, CRNA

  • Certified Registered Nurse Anesthetist
  • Marshalltown, IA
National Provider Identifier
1184606881
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
41129 Issued in IA
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, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
0168815MedicaidIA
41908OtherIAWBCBS OF IA
A006OtherTRIWEST
IA0104OtherIAJOHN 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

LicenseStateTypeSpecialty
41129IAMDCertified Registered Nurse Anesthetist
D056492IAMDCertified 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.

Verify at the official NPI Registry.