Individual provider Active NPI

Mitchell Amos Ahrens, MD

  • Pulmonary Disease Physician
  • Springfield, MO
National Provider Identifier
1407967235
Registry record updated Apr 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
2008003417 Issued in MO
Practice address
3800 S National Ave Ste 510
Springfield, MO 65807-5284
Phone
(417) 875-3160
NPI assigned
Aug 31, 2006
Last updated
Apr 8, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 8, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 26659 AL
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 2008003417 MO
Pulmonary Disease Physician 207RP1001X 2008003417 MO Primary

Addresses

Primary practice location

3800 S National Ave Ste 510
Springfield, MO 65807-5284

Mailing address

PO Box 9007
Springfield, MO 65807-9007
Phone (417) 823-3462

Other identifiers 1

IdentifierTypeStateIssuer
204940704MedicaidMO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, AR2 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
I20080430000896 MO Practitioner - Pulmonary DiseasePractitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 9931288073 Reassigns benefits to 3 organizations
I20120207000231 AR Practitioner - Pulmonary DiseasePractitioner - Other (Physician) 9931288073 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Critical Care (Intensivists), Internal Medicine
Education
University of Arkansas College of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lester E Cox Medical CentersGroup PAC ID 1254248917, shared by 28 NPIs, 336 clinicians

Practice addresses (Care Compare)

1630 E Primrose St
Springfield, MO 65804-7929
Phone (417) 885-4700

1660 W Garton Rd
Ozark, MO 65721-6637
Phone (417) 551-9669

3800 S National Ave
Suite 510
Springfield, MO 65807-5284
Phone (417) 875-3000

520 N Pine St
Harrison, AR 72601-3442
Phone (417) 875-3000

620 N Mail St
Harrison, AR 72601-2911

620 N Main St
Suite 2B
Harrison, AR 72601-2911
Phone (870) 414-4000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
26659ALMDInternal Medicine Physician
2008003417MOMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lester E Cox Medical Centers CurrentSince Jul 1, 2022 Accepting new patients
Post-Acute Physicians of Missouri PC CurrentSince Jan 27, 2026 Accepting new patients
Lester E Cox Medical Centers Pulmonary Disease CurrentSince Jul 1, 2022 Accepting new patients
Michael S. Clarke, M.D., P.a. Current Accepting new patients
North Arkansas Regional Medical Center CurrentSince Nov 20, 2012 Accepting new patients
North Arkansas Regional Medical Center Internal Medicine CurrentSince Nov 20, 2012 Accepting new patients
Lester E Cox Medical Centers Current Accepting new patients
North Arkansas Regional Medical Center Current Accepting new patients
Lester E Cox Medical Centers Internal Medicine CurrentSince Jan 27, 2026 Accepting new patients
Lester E Cox Medical Centers Past Accepting new patients
Ferrell Duncan Clinic, Inc Past Accepting new patients
Lester E Cox Medical Centers Past Accepting new patients
Ozarks Medical Center Past Accepting new patients

Locations

520 N Pine St
Harrison, AR 72601
Phone (870) 414-4000

620 N Main St
Harrison, AR 72601
Phone (870) 365-2000

620 N Main St
Ste 2B
Harrison, AR 72601
Phone (870) 414-4000

1500 N Oakland Ave
Bolivar, MO 65613
Phone (417) 326-6000

1660 W Garton Rd
Ozark, MO 65721
Phone (417) 551-9669

1660 W Garton Rd
Ozark, MO 65721
Phone (417) 551-9669

1000 E Primrose St
Ste 360
Springfield, MO 65807
Phone (417) 269-4037

1001 E Primrose St
Springfield, MO 65807
Phone (417) 875-3434

1630 E Primrose St
Springfield, MO 65804
Phone (417) 885-4700

3800 S National Ave
Ste 400
Springfield, MO 65807
Phone (417) 269-9842

3800 S National Ave
Ste 510
Springfield, MO 65807
Phone (417) 875-3114

Interoperability endpoints

  • Direct secure messaging: mitchell.ahrens@cernerdirect.coxhealth.com

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Belleview Valley Nursing HomeBelleview, MO, CCN 265258 Skilled nursing facility 5% Or Greater Security Interest (11.25%) Jan 31, 2020

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 15

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.

View all 15

Hospital & facility affiliations 8

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": "1156982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1407967235",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9007",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658079007",
            "telephone_number": "417-823-3462"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 S NATIONAL AVE STE 510",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658075284",
            "telephone_number": "417-875-3160"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AHRENS",
        "first_name": "MITCHELL",
        "middle_name": "AMOS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-31",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AL",
            "license": "26659",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MO",
            "license": "2008003417",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MO",
            "license": "2008003417",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "204940704",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MO

Sources for this page

Verify at the official NPI Registry.