Active NPI
Maria Lynn Metcalf, ARNP
- Family Nurse Practitioner
- Waterloo, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- A087827
- 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
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 |
|---|---|---|---|---|
| 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
Enrollment records 1
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
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
- Mercyone Waterloo Medical Center
- Waverly Health Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| H-087827 | IA | MD | Adult Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cedar Valley Medical Specialists PC | Current | Accepting new patients | |
| Unitypoint Health - Marshalltown | Current | Accepting new patients | |
| Salahuddin Syed MD PC | Current | Accepting new patients | |
| Cedar Valley Medical Specialists PC | Current | Accepting new patients | |
| Cedar Valley Medical Specialists PC | Current | Accepting new patients | |
| Unitypoint Health - Marshalltown | Current | 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
- 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.
-
- Orthopaedic Surgery Physician
- Waterloo, IA
- NPI 1497794242
-
- Emergency Medicine Physician
- Marshalltown, IA
- NPI 1164957593
-
- Durable Medical Equipment & Medical Supplies
- Vinton, IA
- NPI 1659934180
-
- Radiology Clinic/Center
- Waterloo, IA
- NPI 1841245586
-
- Anatomic Pathology & Clinical Pathology Physician
- Marshalltown, IA
- NPI 1083054464
-
- Rural Health Clinic/Center
- Waverly, IA
- NPI 1124655006
-
- Durable Medical Equipment & Medical Supplies
- Waverly, IA
- NPI 1073567780
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Waterloo, IA
- NPI 1336231091
-
- General Acute Care Hospital
- Waterloo, IA
- NPI 1700827896
-
- Critical Access Hospital
- Waverly, IA
- NPI 1447299953
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.