Individual provider Active NPI

Maria Lynn Metcalf, ARNP

  • Family Nurse Practitioner
  • Waterloo, IA
National Provider Identifier
1972822393
Registry record updated Jul 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
A087827 Issued in IA
Practice address
110 Plaza Cir Ste a
Waterloo, IA 50701-5139
Phone
(319) 236-7720
Fax
(319) 236-7739
NPI assigned
May 25, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Health Nurse Practitioner 363LA2200X H-087827 IA
Family Nurse Practitioner 363LF0000X A087827 IA Primary
Nurse Practitioner 363L00000X A087827 IA

Addresses

Primary practice location

110 Plaza Cir Ste a
Waterloo, IA 50701-5139

Mailing address

PO Box 2758
Waterloo, IA 50704-2758
Phone (319) 235-5390

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100813000521 IA Practitioner - Nurse Practitioner 7416081393 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Cedar Valley Medical Specialists PCGroup PAC ID 1759291487, 61 clinicians

Practice addresses (Care Compare)

110 Plaza Cir
Suite a
Waterloo, IA 50701-5139
Phone (319) 236-7720

1753 W Ridgeway Ave
Waterloo, IA 50701-4588

1825 Logan Ave
Waterloo, IA 50703-1916
Phone (319) 235-3941

4150 Kimball Ave
Waterloo, IA 50701-9086

Hospital & facility affiliations

  • Allen Hospital Hospital, Waterloo, IA, CCN 160110
  • Mercyone Waterloo Medical Center Hospital, Waterloo, IA, CCN 160067
  • Waverly Health Center Hospital, Waverly, IA, CCN 161339

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
H-087827IAMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Cedar Valley Medical Specialists PC Current Accepting new patients
Unitypoint Health - Marshalltown CurrentSince Jul 13, 2019 Accepting new patients
Salahuddin Syed MD PC Current Accepting new patients
Cedar Valley Medical Specialists PC CurrentSince Jan 2, 2024 Accepting new patients
Cedar Valley Medical Specialists PC CurrentSince Jan 2, 2024 Accepting new patients
Unitypoint Health - Marshalltown CurrentSince Jul 13, 2019 Accepting new patients
Cedar Valley Medical Specialists PC Past Accepting new patients

Locations

55 Unitypoint Way
Marshalltown, IA 50158
Phone (641) 754-5145

152 W Dale St
Waterloo, IA 50703
Phone (319) 235-3540

4150 Kimball Ave
Waterloo, IA 50701
Phone (319) 235-5390

1753 W Ridgeway Ave
Ste 107
Waterloo, IA 50701
Phone (319) 833-5907

1825 Logan Ave
Waterloo, IA 50703
Phone (319) 235-3886

110 Plaza Cir
Ste A
Waterloo, IA 50701
Phone (319) 236-7720

Interoperability endpoints

  • Direct secure messaging: maria.metcalf@cvms.eclinicaldirectplus.com

Organizations & group practices 7

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 3

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": "1274745600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1972822393",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2758",
            "city": "WATERLOO",
            "state": "IA",
            "postal_code": "507042758",
            "telephone_number": "319-235-5390"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 PLAZA CIR STE A",
            "city": "WATERLOO",
            "state": "IA",
            "postal_code": "507015139",
            "telephone_number": "319-236-7720",
            "fax_number": "319-236-7739"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "METCALF",
        "first_name": "MARIA",
        "middle_name": "LYNN",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-05-25",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "IA",
            "license": "H-087827",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IA",
            "license": "A087827",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IA",
            "license": "A087827",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waterloo, IA

Sources for this page

Verify at the official NPI Registry.