Daniel Choyce Callahan, MD
Individual provider Active NPI Pain Medicine (Psychiatry & Neurology) Physician · Sullivan, IN
NPI 1255580593 · NPPES record last updated Jan 30, 2026
Key facts
- NPI
- 1255580593
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Pain Medicine (Psychiatry & Neurology) Physician 2084P2900X
- License
- 01080614A (IN)
- Practice address
- 2120 N Section St
Sullivan, IN 47882-7518 - Phone
- (812) 268-2556
- NPI assigned
- Sep 11, 2008
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 8
Hospital & facility affiliations 6
Medicare Care Compare profile
- Specialty
- Pain Management
- Education
- University of Miami, LM Miller School of Medicine, 2005
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Sullivan County Community Hospital
Practice addresses (Care Compare)
2200 N Section St
Sullivan, IN 47882-7523
Phone (812) 268-4311
4146 S 7TH St
Suite B
Terre Haute, IN 47802-4123
Phone (812) 268-4311
Health Annex
2120 N Section St
Sullivan, IN 47882-7518
Phone 81226843112383
Hospital & facility affiliations
- Sullivan County Community Hospital
- Greene County General Hospital
- Union Hospital Inc
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in IN
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20180725001713 | IN | Practitioner - Pain Management | 5092970913 | Reassigns benefits to 5 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.147496 | IL | MD | Pain Medicine (Psychiatry & Neurology) Physician |
| 01080614A | IN | MD | Pain Medicine (Psychiatry & Neurology) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sullivan County Community Hospital | Current |
Accepting new patients | |
| Sullivan County Community Hospital | Current |
Accepting new patients | |
| Sullivan County Community Hospital | Current |
Accepting new patients | |
| Illinois Neurological Institute-Physicians LLC | Past | Accepting new patients |
Locations
2200 N Section St
Sullivan, IN 47882
Phone (812) 268-6292
4146 S 7th St
Ste B
Terre Haute, IN 47802
Phone (812) 281-2243
Interoperability endpoints
- daniel.callahan.1@17518.direct.athenahealth.com
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pain Medicine (Psychiatry & Neurology) Physician | 2084P2900X | 4301099722 | MI | |
| Pain Medicine (Psychiatry & Neurology) Physician | 2084P2900X | 01080614A | IN | Yes |
| Pain Medicine (Psychiatry & Neurology) Physician | 2084P2900X | 036.147496 | IL |
Addresses
Primary practice location
2120 N Section St
Sullivan, IN 47882-7518
Mailing address
PO Box 10
Sullivan, IN 47882-0010
Phone (812) 268-4311
Other practice location 1
1542 S Bloomington St
Greencastle, IN 46135-2212
Phone (765) 301-7450
Other practice location 2
2204 N Section St
Sullivan, IN 47882
Phone (812) 268-2556
Other practice location 3
1000 N Allen St
Robinson, IL 62454-1114
Phone (618) 546-2405
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 300017765 | Medicaid | IN |
Other providers in Sullivan, IN
- Morgan Beard
- Jace Corie Biggs
- Rachel Biggs
- Deeann Boatright
- Terri Lee Brown
- Linda Sue Canup
- Charles D Price
- Mary Ann Chavez
- Janis Cheek
- Laura Chenoweth
All providers in Sullivan, IN · Pain Medicine (Psychiatry & Neurology) Physician in Indiana
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jan 30, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.