Individual provider Active NPI

John Michael Callahan, M.D.

  • Pediatrics Physician
  • Dubuque, IA
National Provider Identifier
1851704480
Registry record updated Jul 5, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
MD-44274 Issued in IA
Practice address
1000 Langworthy St
Dubuque, IA 52001-7313
Phone
(563) 584-3440
Fax
(563) 584-3009
NPI assigned
Jun 11, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 5, 2017

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X MD-44274 IA Primary

Addresses

Primary practice location

1000 Langworthy St
Dubuque, IA 52001-7313

Mailing address

1500 Associates Dr.
Dubuque, IA 52002-2201
Phone (563) 584-4100

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170811000797 IA Practitioner - Pediatric Medicine 2062638950 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD-44274IAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medical Associates Clinic P C CurrentSince Jul 31, 2017 Accepting new patients
Mercy Medical Center-Dubuque Past Accepting new patients

Locations

1500 Associates Dr
Dubuque, IA 52002
Phone (563) 584-4100

1000 Langworthy St
Dubuque, IA 52001
Phone (563) 584-3455

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1402444800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1499212800000",
    "number": "1851704480",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 ASSOCIATES DR.",
            "city": "DUBUQUE",
            "state": "IA",
            "postal_code": "520022201",
            "telephone_number": "563-584-4100",
            "fax_number": "563-584-4110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 LANGWORTHY ST",
            "city": "DUBUQUE",
            "state": "IA",
            "postal_code": "520017313",
            "telephone_number": "563-584-3440",
            "fax_number": "563-584-3009"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-11",
        "last_updated": "2017-07-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IA",
            "license": "MD-44274",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dubuque, IA

Sources for this page

Verify at the official NPI Registry.