Active NPI
John Michael Callahan, M.D.
- Pediatrics Physician
- Dubuque, IA
National Provider Identifier
1851704480
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- MD-44274
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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
| License | State | Type | Specialty |
|---|---|---|---|
| MD-44274 | IA | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Medical Associates Clinic P C | Current | 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.
-
- General Acute Care Hospital
- Dubuque, IA
- NPI 1659348506
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 5, 2017; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.