DR. DANIEL CHOYCE CALLAHAN MD
NPI 1255580593
Psychiatry & Neurology - Pain Medicine in Sullivan, IN
NPI Status: Active since September 11, 2008
Contact Information
2120 N SECTION ST
SULLIVAN, IN
ZIP 47882
Phone: (812) 268-2556
- Individual
- Male
- Years of Experience 21
- Psychiatry & Neurology
- Pain Medicine
- Accepts Insurance
- Accepts Medicare Approved Payment
- PECOS Enrolled
About DANIEL CALLAHAN
This page provides the complete NPI Profile along with additional information for Daniel Callahan, a provider established in Sullivan, Indiana with a medical specialization in Psychiatry & Neurology, focusing in pain medicine and more than 21 years of experience. He graduated from University Of Miami, Lm Miller School Of Medicine in 2005. The healthcare provider is registered in the NPI registry with number 1255580593 assigned on September 2008. The practitioner's primary taxonomy code is 2084P2900X with license number 01080614A (IN). The provider is registered as an individual and his NPI record was last updated January 2026.
- NPI
- 1255580593
- Provider Name
- DR. DANIEL CHOYCE CALLAHAN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2120 N SECTION ST SULLIVAN, IN 47882
- Location Phone
- (812) 268-2556
- Mailing Address
- PO BOX 10 SULLIVAN, IN 47882
- Mailing Phone
- (812) 268-4311
- Medical School Name
- UNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
- Graduation Year
- 2005
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-11-2008
- Last Update Date
- 01-30-2026
- Code Navigator
Location Map
Secondary Locations
- 1000 N Allen St
Robinson, IL 62454
(618) 546-2405 - 1542 S Bloomington St
Greencastle, IN 46135
(765) 301-7450 - 2204 N SECTION ST
Sullivan, IN 47882
(812) 268-2556
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Psychiatry & Neurology Pain Medicine
- Taxonomy Code
- 2084P2900X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 01080614A
- License State
- IN
- Taxonomy Description
- 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.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 2084P2900X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | 4301099722 (MI) |
| 2 | 2084P2900X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | 036.147496 (IL) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Choice Bronze HSA - HMO
- Choice Bronze HSA + Vision + Adult Dental - HMO
- Clear Gold - HMO
- Clear Gold + Vision + Adult Dental - HMO
- Complete Gold - HMO
- Complete Gold + Vision + Adult Dental - HMO
- Complete Silver - HMO
- Complete Silver + Vision + Adult Dental - HMO
- Everyday Bronze - HMO
- Everyday Bronze + Vision + Adult Dental - HMO
- Clear Silver - HMO
- Elite Gold - HMO
- Elite Gold + Vision + Adult Dental - HMO
- Everyday Gold - HMO
- Everyday Gold + Vision + Adult Dental - HMO
- Standard Gold - HMO
- Standard Gold + Vision + Adult Dental - HMO
- Standard Silver - HMO
- Standard Silver + Vision + Adult Dental - HMO
- Complete Gold - HMO
- Complete Gold + Vision + Adult Dental - HMO
- Elite Gold - HMO
- Elite Gold + Vision + Adult Dental - HMO
- Focused Silver - HMO
- Focused Silver + Vision + Adult Dental - HMO
- Standard Gold - HMO
- Standard Gold + Vision + Adult Dental - HMO
- Standard Silver - HMO
- Standard Silver + Vision + Adult Dental - HMO
- Anthem Bronze Essential 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Anthem Bronze Essential 10150 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Anthem Bronze Essential 6500 HSA (+ Incentives) - HMO
- Anthem Bronze Essential 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Anthem Bronze Essential POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Anthem Bronze Essential POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Anthem Catastrophic Essential (+ Incentives) - HMO
- Anthem Gold Essential 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Anthem Gold Essential 2200 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Anthem Heart Healthy Bronze Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Bronze 7500 $25 Generic Drugs - HMO
- Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
- Core Gold 1500 $10 Generic Drugs - HMO
- Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness - HMO
- Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
- Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
- Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
- Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
- Gold 2000 $15 Generic Drugs - HMO
- Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 300017765 | MEDICAID (05) | IN |
Medicare Participation & PECOS Enrollment Status
Daniel Callahan is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Daniel Callahan is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
PECOS PAC ID: 5092970913
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20180725001713
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Provider Referred Orders for Durable Medical Equipment, Devices & Supplies
The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.
Orthotic Devices
DME-Orthotic Devices (DF007N)
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 (HCPCS:L0650)
1 DME suppliers used 57 Medicare Claims 57 Services Paid
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Aspiration and/or injection of fluid from large joint
Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint
Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint
Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
Injection into tendon or ligament
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level
Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance
Injection of lower or sacral spine facet joint using imaging guidance, second level
Injection of lower or sacral spine facet joint using imaging guidance, single level
Injection of substance into lower spine canal using imaging guidance
Injection of substance into middle or upper spine canal using imaging guidance
Injection of trigger points, 1-2 muscles
Injection of trigger points, 3 or more muscles
Injection of upper or middle spine facet joint using imaging guidance, second level
Injection of upper or middle spine facet joint using imaging guidance, single level
Injection, methylprednisolone acetate, 40 mg
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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.
This service was performed 160 times for 84 patientsThis procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.
This service was performed 86 times for 52 patientsThis 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.
This service was performed 120 times for 67 patientsThis procedure involves the use of imaging technology to guide a needle to the nerves of a single facet joint in the upper or middle spine. The nerves are then treated to alleviate pain and improve mobility.
This service was performed 15 times for 12 patientsThis 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.
This service was performed 402 times for 193 patientsThis 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.
This service was performed 152 times for 93 patientsThis 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.
This service was performed 246 times for 155 patientsThis 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.
This service was performed 118 times for 73 patientsAn injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.
This service was performed 19 times for 11 patientsThis procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.
This service was performed 31 times for 31 patientsThis procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.
This service was performed 61 times for 51 patientsThis procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.
This service was performed 56 times for 51 patientsThis procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.
This service was performed 11 times for 11 patientsThis procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.
This service was performed 117 times for 73 patientsThis procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.
This service was performed 49 times for 44 patientsThis procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.
This service was performed 12 times for 11 patientsTrigger point injection is a procedure used to treat painful areas of muscle that contain trigger points, or knots of muscle that form when muscles do not relax. 1-2 muscles are typically treated in one session. The procedure involves injecting medications into these points to alleviate pain.
This service was performed 37 times for 31 patientsTrigger 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.
This service was performed 122 times for 81 patientsThis procedure involves injecting medication into the upper or middle spine facet joint, a small joint in your back. This is done under imaging guidance for precision. It's a second-level procedure, meaning it's done on two separate joints. It can help reduce pain and inflammation.
This service was performed 22 times for 16 patientsThis procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.
This service was performed 34 times for 20 patientsMethylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.
This service was performed 12 times for 11 patientsThis service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
This service was performed 15 times for 15 patientsThis is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
This service was performed 71 times for 71 patientsThis is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
This service was performed 28 times for 28 patientsFind Provider Hospital Affiliations - Privileges
Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.
Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Daniel Callahan is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| UNION HOSPITAL INC | 1606 N SEVENTH ST TERRE HAUTE, IN 47804 | (812) 238-7606 | Acute Care Hospitals | |
| GREENE COUNTY GENERAL HOSPITAL | 1185 N 1000 W LINTON, IN 47441 | (812) 847-2281 | Critical Access Hospitals | |
| SULLIVAN COUNTY COMMUNITY HOSPITAL | 2200 N SECTION ST SULLIVAN, IN 47882 | (812) 268-4311 | Critical Access Hospitals |
Reviews for DR. DANIEL CHOYCE CALLAHAN MD
5 out of 5 stars - Review by Ryan ***** on November 17, 2025
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
NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1255580593, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
SULLIVAN, IN 47882
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1255580593, enumerated as an "individual" on September 11, 2008.
The provider is located at 2120 N SECTION ST SULLIVAN, IN 47882 and the phone number is (812) 268-2556.
Psychiatry & Neurology with taxonomy code 2084P2900X and a focus in Pain Medicine.
The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.
Daniel Callahan is affiliated with: UNION HOSPITAL INC, GREENE COUNTY GENERAL HOSPITAL and SULLIVAN COUNTY COMMUNITY HOSPITAL.