Individual provider Active NPI

Aric Anson Runzheimer, MD

  • Anesthesiology Physician
  • Grand Rapids, MI
National Provider Identifier
1144740507
Registry record updated Dec 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
4301508177 Issued in MI
Practice address
100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone
(616) 391-1510
NPI assigned
Jun 26, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 8, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 35.144857 OH
Anesthesiology Physician 207L00000X 4301508177 MI Primary

Addresses

Primary practice location

100 Michigan St NE
Grand Rapids, MI 49503-2560

Mailing address

100 Michigan St NE
MC 845
Grand Rapids, MI 49503-2560

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/
Direct Messaging Address arunzheimer1253790@epic00.shdirect.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH, MI2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220804003031 OH Practitioner - Anesthesiology 9133499577 Reassigns benefits to 1 organization
I20221010002777 MI Practitioner - Anesthesiology 9133499577 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Medical College of Wisconsin, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Spectrum Health Primary Care PartnersGroup PAC ID 4587568647, 2,283 clinicians

Practice addresses (Care Compare)

100 Michigan Ave NE
Grand Rapids, MI 49503-2560

100 Michigan St NE RM
280 Corewell Health Medical Group West
Grand Rapids, MI 49503-2560
Phone (616) 267-0115

4444 Kalamazoo Ave SE
200 Corewell Health Medical Group West
Kentwood, MI 49508-4600
Phone (616) 391-5600

Hospital & facility affiliations

  • Spectrum Health Hospital, Grand Rapids, MI, CCN 230038

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301508177MIMDAnesthesiology Physician
35.144857OHMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northstar Anesthesia of Michigan III PLLC CurrentSince Sep 19, 2022 Accepting new patients
Southwest Ohio Anesthesia Consultants LLC Anesthesiology CurrentSince Jul 1, 2022 Accepting new patients

Locations

13500 Powers Ct
Ste 230
Fort Myers, FL 33912
Phone (239) 610-0784

33155 Annapolis St
Wayne, MI 48184
Phone (734) 467-4042

3000 Hospital Dr
Batavia, OH 45103
Phone (513) 557-3209

7500 State Rd
Cincinnati, OH 45255
Phone (513) 624-4034

Organizations & group practices 3

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 2

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": "1498435200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1144740507",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "address_2": "MC 845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-391-1510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUNZHEIMER",
        "first_name": "ARIC",
        "middle_name": "ANSON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-06-26",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OH",
            "license": "35.144857",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301508177",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "arunzheimer1253790@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.