Individual provider Active NPI

Darin Lee Frerichs, D.O.

  • Anesthesiology Physician
  • Des Moines, IA
National Provider Identifier
1285687111
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
3699 Issued in IA
Practice address
411 Laurel St
Suite 3170
Des Moines, IA 50314-3017
Phone
(515) 283-0463
Fax
(515) 283-0794
NPI assigned
May 19, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 3699 IA Primary

Addresses

Primary practice location

411 Laurel St
Suite 3170
Des Moines, IA 50314-3017

Mailing address

411 Laurel St Ste 3170
Des Moines, IA 50314-3005
Phone (515) 283-0463

Other practice location 1

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-2633

Other practice location 2

701 W Forevergreen Rd
North Liberty, IA 52317-9848
Phone (319) 356-2633

Other identifiers 1

IdentifierTypeStateIssuer
0490458MedicaidIA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060925000053 IA Practitioner - Anesthesiology 6305850603 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cep America - Anesthesia PCGroup PAC ID 3678897915, 849 clinicians
State University of IowaGroup PAC ID 7618884230, 1,886 clinicians
Mercy Medical CenterGroup PAC ID 4183535271, 295 clinicians

Practice addresses (Care Compare)

1111 6TH Ave
Des Moines, IA 50314-2613
Phone (515) 247-3121

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-1616

701 10TH St SE
Cedar Rapids, IA 52403-1251

701 10TH St SE
Cedar Rapids, IA 52403-1292

701 10TH St SE J Edward Lundy
Mercy Pediatric Clinic
Cedar Rapids, IA 52403-1251
Phone (319) 832-2328

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
67.35 of 100Reported as group
Quality
60.03
Improvement activities
40
Cost
64.44

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
3699IAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cep America - Anesthesia PC Anesthesiology CurrentSince Dec 1, 2025 Accepting new patients
Northwest Iowa Hospital Corporation CurrentSince Mar 1, 2026 Accepting new patients
State University of Iowa CurrentSince Oct 1, 2025 Accepting new patients
Cep America - Anesthesia PC Anesthesiology CurrentSince Dec 1, 2025 Accepting new patients
Mercy Medical Center CurrentSince Jul 1, 2025 Accepting new patients
Mercy Medical Center Current Accepting new patients
Medical Center Anesthesiologists, P.C. CurrentSince May 1, 2006 Accepting new patients
Medical Center Anesthesiologists, P.C. Anesthesiology CurrentSince May 1, 2006 Accepting new patients
Mercy Medical Center CurrentSince Jul 1, 2025 Accepting new patients
MHC Anesthesia Services Anesthesiology Past Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

701 10th St SE
Cedar Rapids, IA 52403
Phone (319) 398-6011

1111 6th Ave
Des Moines, IA 50314
Phone (515) 247-3121

411 Laurel St
Ste 3170
Des Moines, IA 50314
Phone (515) 283-0463

200 Hawkins Dr
#H
Iowa City, IA 52242
Phone (319) 356-1616

200 Hawkins Dr
Iowa City, IA 52242
Phone (319) 356-1616

701 W Forevergreen Rd
North Liberty, IA 52317
Phone (319) 356-2223

801 5th St
Sioux City, IA 51101
Phone (712) 279-2010

1225 Jordan Creek Pkwy
Ste 180
West Des Moines, IA 50266
Phone (515) 283-0463

1755 59th Pl
West Des Moines, IA 50266
Phone (515) 247-4240

Interoperability endpoints

  • Direct secure messaging: dfrerichs3944870@direct.trinity-health.org

Organizations & group practices 11

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1285687111",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "411 LAUREL ST STE 3170",
            "city": "DES MOINES",
            "state": "IA",
            "postal_code": "503143005",
            "telephone_number": "515-283-0463",
            "fax_number": "515-283-0794"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "411 LAUREL ST",
            "address_2": "SUITE 3170",
            "city": "DES MOINES",
            "state": "IA",
            "postal_code": "503143017",
            "telephone_number": "515-283-0463",
            "fax_number": "515-283-0794"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 Hawkins Dr",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522421009",
            "country_code": "US",
            "telephone_number": "319-356-2633",
            "fax_number": "319-356-2940",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "701 W Forevergreen Rd",
            "address_purpose": "LOCATION",
            "city": "North Liberty",
            "state": "IA",
            "postal_code": "523179848",
            "country_code": "US",
            "telephone_number": "319-356-2633",
            "fax_number": "319-356-2940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FRERICHS",
        "first_name": "DARIN",
        "middle_name": "LEE",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IA",
            "license": "3699",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0490458",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Des Moines, IA

Sources for this page

Verify at the official NPI Registry.