Dr. Robert Gipson Callahan, MD
- Medicare services, 2016
- 188
- Part D claims, 2016
- 17
- Industry payments
- $15
- Affiliated sites
- 1
- Insurance carriers
- 1
- Practice address
- 307 Cottage Rd, Carthage, TX 75633
- Practice phone
- Call (903) 694-4935
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Robert Gipson Callahan MD
Physician office · Carthage, Texas
Find Dr. Callahan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert Gipson Callahan is a general surgeon in Mansfield, Louisiana
Dr. Callahan practices at Robert Gipson Callahan MD in Carthage, Texas.
Dr. Callahan's NPI, 1881795383, was assigned on September 26, 2006. Dr. Callahan graduated from Saint Louis University School Of Medicine in 1976. Dr. Callahan's Texas license number on file is K8046.
- NPI
- 1881795383NPI Registry (opens in a new tab)
- NPI enumeration date
- September 26, 2006
- NPI status
- Active
- Practice phone
- (903) 694-4935
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Gipson Callahan practices in Carthage and Mansfield
Dr. Callahan's primary practice is Robert Gipson Callahan MD, at 307 Cottage Rd, Carthage, TX 75633. The practice phone is (903) 694-4935. The NPI Registry lists Dr. Callahan's practice address as 207 Jefferson St, Mansfield, LA 71052.
- Robert Gipson Callahan MDPrimary307 Cottage Rd, Carthage, TX 75633Phone(903) 694-4935
- NPI Registry address207 Jefferson St, Mansfield, LA 71052 · De Soto ParishPhone(903) 694-4935
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert Gipson Callahan is affiliated with 1 site of care
Dr. Callahan's primary practice is Robert Gipson Callahan MD in Carthage, Texas.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Gipson Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callahan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert Gipson Callahan MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Gipson Callahan is one of 377 general surgeons in Louisiana
Surgery is Dr. Callahan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Callahan's licenses on file in 2 states: Texas and Louisiana.
Specialties and state licenses
- Surgery, TexasPrimary
- Louisiana license
General surgeons near Dr. Callahan
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Gipson Callahan billed Medicare for 188 services in 2016
CMS data shows 188 Medicare services from Dr. Callahan across 5 procedure codes in 2016. Medicare paid $15,976 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Callahan's Medicare services by type, 2016
- Office and hospital visits177
- Tests and treatments11
Dr. Callahan compared with the Louisiana median for general surgeons, 2016
- Dr. Callahan
- Louisiana median
- Medicare services
- 188vs 14431% above
- Part D claims
- 17vs 4764% below
Medians across 364 general surgeons in Louisiana with Dmand AI profiles that report each measure.
Dr. Callahan's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Callahan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Callahan and other general surgeons in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Gipson Callahan wrote 17 Medicare Part D claims in 2016
In 2016, Dr. Callahan wrote 17 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $26 in total drug cost.
Dr. Callahan's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert Gipson Callahan received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Callahan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $15.
Companies that paid Dr. Callahan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Gipson Callahan graduated from Saint Louis University School Of Medicine
Dr. Callahan graduated from Saint Louis University School Of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Robert Gipson Callahan accepts plans from 1 insurance carrier
Dr. Callahan is in network with 1 carrier, including AR State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- AR State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Gipson Callahan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Gipson Callahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Gipson Callahan's NPI number?
Dr. Robert Gipson Callahan's NPI number is 1881795383. It was assigned on September 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Gipson Callahan?
Dr. Robert Gipson Callahan is a general surgeon in Mansfield, Louisiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Robert Gipson Callahan practice?
Dr. Callahan practices at 307 Cottage Rd, Carthage, TX 75633. Dr. Callahan also practices at 207 Jefferson St, Mansfield, LA 71052. Dr. Callahan's primary practice is Robert Gipson Callahan MD in Carthage, Texas.
What is Dr. Robert Gipson Callahan's office phone number?
The practice phone on file for Dr. Callahan is (903) 694-4935.
What is Dr. Robert Gipson Callahan's medical license number?
Dr. Callahan's Texas license number on file is K8046, one of the licenses on file in 2 states.
Which states has Dr. Robert Gipson Callahan been licensed in?
Dmand AI has state licenses on file for Dr. Callahan in Texas (1999 to 2020) and Louisiana (1980 to 2020).
Does Dr. Robert Gipson Callahan accept Medicare?
Yes. CMS data shows Dr. Callahan billed Medicare for 188 services in 2016.
What services does Dr. Robert Gipson Callahan bill to Medicare?
In 2016, Dr. Callahan's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Where did Dr. Robert Gipson Callahan go to medical school?
Dr. Callahan graduated from Saint Louis University School Of Medicine in 1976.
What drugs does Dr. Robert Gipson Callahan prescribe most?
In 2016 Medicare Part D data, Dr. Callahan's most prescribed drugs by claims were Tramadol HCl.
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Has Dr. Robert Gipson Callahan received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Callahan from 1 company from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Robert Gipson Callahan been practicing?
Dr. Callahan graduated from medical school in 1976, 50 years ago.
What insurance does Dr. Robert Gipson Callahan accept?
Dr. Callahan is in network with 1 carrier, including AR State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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