Rachel Ruth Grenier, ARNP, DNP

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A170258 Issued in IA

Practice address

450 Monroe St
Pella, IA 50219

Phone

(641) 621-2200

Fax

(641) 621-2654

NPI assigned

Jul 29, 2022

Last updated

Oct 24, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 1

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

Specialty

Nurse Practitioner

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Haus Therapy ServicesGroup PAC ID 2163953316, 4 clinicians

Pella Regional Health CenterGroup PAC ID 9931005873, shared by 10 NPIs, 96 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pella Regional Health Center Hospital, Pella, IA, CCN 161367
• Mercyone Des Moines Medical Center Hospital, Des Moines, IA, CCN 160083

Merit-based Incentive Payment System (MIPS)

Final score

91.84 of 100Reported as group

Quality

91.13

Promoting interoperability

100

Improvement activities

40

Cost

81.67

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rgrenier@pellahealth.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Haus Therapy Services

  • Mental Health Counselor
  • Ankeny, IA
  • NPI 1508630435
  Medicare reassignment Care Compare group NPD
• Pella Regional Health Center

  dba Pella Medical Clinic

  • Multi-Specialty Clinic/Center
  • Pella, IA
  • NPI 1053369405

  Family Medicine

  Medicare reassignment NPD
• Pella Regional Health Center

  • Critical Access Hospital
  • Pella, IA
  • NPI 1578520888
  Medicare reassignment NPD
• Pella Regional Health Center

  dba Pella Regional Prairie City Pharmacy

  • Community/Retail Pharmacy
  • Prairie City, IA
  • NPI 1033787445
  NPD

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

• Catholic Health Initiatives - Iowa Corp

  dba MercyOne West Des Moines Medical Center

  • General Acute Care Hospital
  • West Des Moines, IA
  • NPI 1538395975
  Care Compare affiliation
• Catholic Health Initiatives-Iowa Corp

  dba MercyOne Des Moines Laboratory

  • Clinical Medical Laboratory
  • Des Moines, IA
  • NPI 1104982743

  Hospital

  Care Compare affiliation
• Catholic Health Initiatives-Iowa Corp

  dba MercyOne Des Moines Medical Center

  • General Acute Care Hospital
  • Des Moines, IA
  • NPI 1508964883
  Care Compare affiliation
• Catholic Health Initiatives, Ia-Corp

  dba Mercy Medical Mammography Center

  • Mammography Clinic/Center
  • Des Moines, IA
  • NPI 1477984367

  Hospital

  Care Compare affiliation
• Pella Regional Health Center

  • Critical Access Hospital
  • Pella, IA
  • NPI 1578520888
  Care Compare affiliation

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

{
    "created_epoch": "1659052800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1386370443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 MONROE ST",
            "city": "PELLA",
            "state": "IA",
            "postal_code": "50219",
            "telephone_number": "641-621-2200",
            "fax_number": "641-621-2654"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 MONROE ST",
            "city": "PELLA",
            "state": "IA",
            "postal_code": "50219",
            "telephone_number": "641-621-2200",
            "fax_number": "641-621-2654"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRENIER",
        "first_name": "RACHEL",
        "middle_name": "RUTH",
        "name_prefix": "Dr.",
        "credential": "ARNP, DNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-07-29",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "A170258",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1407836513",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Rgrenier@pellahealth.org",
            "affiliation": "N",
            "endpointDescription": "Hippa compliant professional email address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "450 Monroe St",
            "city": "Pella",
            "state": "IA",
            "country_code": "US",
            "postal_code": "50219",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Good News Counseling Professional Limited Liability Company
• Edison Goodlow
• Grace Counseling, Inc.
• Joseph Thomas Graybill
• Jordan Lea Greiner, PA-C
• Beth Nichole Grimes
• Matthew A. Gritters, M.D.
• Kara J Groenenboom, COTA
• Ross Aaron Groenendyk, D.C.
• Matthew Gronewold, D.C.

• Family Medicine Physician in Pella, IA
• Providers in Pella, IA by specialty
• Family Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2025; 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.

Verify at the official NPI Registry.