Benjamin R Rezny, D.O.

Individual provider Active NPI Critical Care Medicine (Anesthesiology) Physician · Iowa City, IA

NPI 1457715047 · NPPES record last updated Jun 30, 2026

Key facts

NPI
1457715047
Entity type
Individual (NPI type 1)
Primary specialty
Critical Care Medicine (Anesthesiology) Physician 207LC0200X
License
DO-05342 (IA)
Practice address
200 Hawkins Dr
Iowa City, IA 52242-1009
Phone
(319) 356-2633
Fax
(319) 356-2940
NPI assigned
Apr 8, 2016
Sex
Male
Sole proprietor
No

Organizations & group practices 4

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.

Medicare Care Compare profile

Specialty
Critical Care (Intensivists)
Also: Emergency Medicine
Education
Des Moines University of Osteopathic Medicine and Health Sciences, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rutherford Intensivist Group PC (20 clinicians)

Practice addresses (Care Compare)

1700 Medical Ctr Pkwy
Murfreesboro, TN 37129-2245
Phone (675) 396-4100

Hospital & facility affiliations

  • Saint Thomas Rutherford Hospital Hospital · Murfreesboro, TN · CCN 440053
  • Saint Thomas River Park Hospital Hospital · McMinnville, TN · CCN 440151
  • Southern Tennessee Regional Health System Winchest Hospital · Winchester, TN · CCN 440058
  • Dekalb Community Hospital Hospital · Smithville, TN · CCN 440148
  • Lincoln Medical Center Hospital · Fayetteville, TN · CCN 440102

Medicare participation

Medicare fee-for-service enrollment
Enrolled in TN
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20230123002150 TN Practitioner - Critical Care (Intensivists)
Practitioner - Emergency Medicine
7810287539 Reassigns benefits to 3 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
DO-05342IAMDCritical Care Medicine (Anesthesiology) Physician
5035TNMDPhysical Therapy Assistant
5305TNMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
Havely Springs Physician Services, PC Current
since Jul 19, 2024
Accepting new patients
Saint Thomas Medical Partners Neurology Current
since Jan 18, 2023
Accepting new patients
Rutherford Intensivist Group PC Current
since Jan 6, 2025
Accepting new patients
Middle Tennessee Center for Lung Disease, PC Current
since Mar 26, 2023
Accepting new patients

Locations

1559 Sparta St
McMinnville, TN 37110
Phone (615) 406-9544

1800 Medical Center Pkwy
Ste 400
Murfreesboro, TN 37129
Phone (615) 396-6800

1700 Medical Center Pkwy
Murfreesboro, TN 37129
Phone (615) 396-4100

1800 Medical Center Pkwy
Ste 310
Murfreesboro, TN 37129
Phone (615) 849-9868

300 20th Ave N
Fl 9
Nashville, TN 37203

300 20th Ave N
Ste 403
Nashville, TN 37203
Phone (615) 284-4088

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Anesthesiology) Physician 207LC0200X 5305 TN
Critical Care Medicine (Anesthesiology) Physician 207LC0200X DO-05342 IA Yes
Emergency Medicine Physician 207P00000X DO-05342 IA
Neurology Physician 2084N0400X DO-05342 IA

Addresses

Primary practice location

200 Hawkins Dr
Iowa City, IA 52242-1009

Mailing address

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

Other practice location 1

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

Other identifiers

IdentifierTypeStateIssuer
Q042836MedicaidTN

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Jun 30, 2026.

{
    "created_epoch": "1460073600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1457715047",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-2633",
            "fax_number": "319-356-2940"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-2633",
            "fax_number": "319-356-2940"
        }
    ],
    "practiceLocations": [
        {
            "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": "REZNY",
        "first_name": "BENJAMIN",
        "middle_name": "R",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-08",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "TN",
            "license": "5305",
            "primary": false
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "IA",
            "license": "DO-05342",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IA",
            "license": "DO-05342",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "IA",
            "license": "DO-05342",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q042836",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Iowa City, IA

All providers in Iowa City, IA · Critical Care Medicine (Anesthesiology) Physician in Iowa

Sources for this page

Verify at the official NPI Registry.