DR. DANIEL CHOYCE CALLAHAN MD
NPI 1255580593
Psychiatry & Neurology - Pain Medicine in Sullivan, IN

Active since September 11, 2008PECOS EnrolledAccepts Medicare Assignment
2120 N SECTION ST, SULLIVAN, IN 47882(812) 268-2556 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 30, 2026, Oct 31, 2018, Oct 12, 2018 and 1 more (4 updates tracked since 2018).

About Dr. Daniel Choyce Callahan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DANIEL CHOYCE CALLAHAN MD (NPI 1255580593) is an individual pain medicine provider in Sullivan, Indiana, licensed in Indiana (01080614A) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Inc, and is a graduate of University Of Miami, Lm Miller School Of Medicine (2005).

NPPES Registry Identity

NPI1255580593
Entity TypeIndividualMale
Primary Taxonomy2084P2900X
Provider Legal NameDR. DANIEL CHOYCE CALLAHANCredential: MD
Location Address2120 N SECTION STSullivan, IN 47882-7518
Mailing AddressPo Box 10Sullivan, IN 47882-0010 · (812) 268-4311
Sole ProprietorNo
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2005
Enumeration DateSeptember 11, 2008
Last NPPES UpdateJanuary 30, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 30, 2026
NPI 1255580593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084P2900X
Licenses Licensed in IN · 01080614A Licensed in MI · 4301099722 Licensed in IL · 036.147496
Definition
A neurologist, child neurologists or psychiatrist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
2120 N SECTION ST, Sullivan, IN 47882

Other Identifiers 1

Medicaid300017765IN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Daniel Choyce Callahan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092970913
PECOS Enrollment IDI20180725001713
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 24

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
402 services193 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
246 services155 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
160 services84 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
152 services93 patients
Injection of trigger points, 3 or more muscles 20553
Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.
122 services81 patients
Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635
This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.
120 services67 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Union Hospital Inc

Acute Care Hospitals · Terre Haute, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150023
Location1606 N Seventh StTerre Haute, IN 47804 · Vigo County
Emergency services Birthing friendly

Good Samaritan Hospital

Acute Care Hospitals · Vincennes, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number150042
Location520 S 7th StVincennes, IN 47591 · Knox County
Emergency services Birthing friendly

Greene County General Hospital

Critical Access Hospitals · Linton, IN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number151317
Location1185 N 1000 WLinton, IN 47441 · Greene County
Emergency services Birthing friendly

Sullivan County Community Hospital

Critical Access Hospitals · Sullivan, IN
OwnershipGovernment - Local
CMS Certification Number151327
Location2200 N Section StSullivan, IN 47882 · Sullivan County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Lumbar-sacral orthosis, sagittal-coronal control, with rigid anterior and posterior frame/panel(s), posterior extends from sacrococcygeal junction to t-9 vertebra, lateral strength provided by rigid lateral frame/panel(s), produces intracavitary pressure to reduce load on intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated, off-the-shelf L0650
DME-Orthotic Devices · category DF007N
1 supplier57 claims57 services$756.91 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Ryan ***** November 17, 2025

5/5
He is an amazing doctor who takes the time to listen and learn about his patient's and he cares about them highly recommend him he is the best doctor I've seen
Provider 5/5 Office Staff 5/5
Visited this provider? Share your experience.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
2120 N SECTION ST
SULLIVAN, IN 47882
Clinic/Center (Critical Access Hospital)
2120 N SECTION ST
SULLIVAN, IN 47882
Nurse Practitioner
2120 N SECTION ST
SULLIVAN, IN 47882
Nurse Practitioner (Family)
2120 N SECTION ST
SULLIVAN, IN 47882
Family Medicine
2120 N SECTION ST
SULLIVAN, IN 47882
Internal Medicine (Pulmonary Disease)
2120 N SECTION ST
SULLIVAN, IN 47882

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Callahan's NPI number?

The NPI number for Daniel Callahan is 1255580593. It was assigned to this individual provider in the NPPES registry on September 11, 2008.

Where is Daniel Callahan located?

Daniel Callahan practices at 2120 N Section St, Sullivan, IN 47882. The listed phone number is (812) 268-2556.

What is Daniel Callahan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Pain Medicine, with taxonomy code 2084P2900X.

Is Daniel Callahan enrolled in Medicare?

Yes. Daniel Callahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Daniel Callahan accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Daniel Callahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Daniel Callahan affiliated with any hospitals?

According to CMS data, Daniel Callahan is affiliated with Union Hospital Inc, Good Samaritan Hospital, Greene County General Hospital and Sullivan County Community Hospital.

When was this NPI record last updated?

The NPPES record for Daniel Callahan was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.