Dr. Sean P. Callahan, MD
- Medicare services, 2024
- 1,005
- Medicare patients, 2024
- 361
- Part D claims, 2024
- 851
- Hospital affiliations
- 6
- Industry payments
- $327,061
- Practice address
- 890 W Faris Rd, Greenville, SC 29605
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prisma Health Gi Lab Services - HOPD
Acute Care Hospital outpatient department · Greenville, South Carolina
Find Dr. Callahan's professional email, personal email and mobile number
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Dr. Sean P. Callahan is a pulmonologist in Greenville, South Carolina
Dr. Callahan practices at Prisma Health Gi Lab Services - HOPD in Greenville, South Carolina.
Dr. Callahan's NPI, 1043505670, was assigned on June 11, 2011. Dr. Callahan holds South Carolina license 37061.
- NPI
- 1043505670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305168774
- NPI enumeration date
- June 11, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sean P. Callahan practices at Prisma Health Gi Lab Services - HOPD in Greenville, South Carolina
Dr. Callahan's primary practice is Prisma Health Gi Lab Services - HOPD, at 890 W Faris Rd, Greenville, SC 29605.
- Prisma Health Gi Lab Services - HOPD890 W Faris Rd, Greenville, SC 29605
Source: Dmand AI Affiliation Data
Dr. Sean P. Callahan is affiliated with 7 sites of care and 2 medical groups
Dr. Callahan's primary practice is Prisma Health Gi Lab Services - HOPD in Greenville, South Carolina. Dr. Callahan is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Callahan to 5 more hospitals and 1 medical group, each named with a free account. Dr. Callahan's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sean P. Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callahan practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Gi Lab Services - HOPD | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sean P. Callahan is one of 176 pulmonologists in South Carolina
Pulmonary disease is Dr. Callahan's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Callahan is licensed in South Carolina.
Specialties and state licenses
- Pulmonary disease, South CarolinaPrimary
Pulmonologists near Dr. Callahan
Counts of pulmonologists 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. Sean P. Callahan billed Medicare for 1,005 services in 2024
CMS data shows 1,005 Medicare services from Dr. Callahan across 23 procedure codes in 2024, for 361 Medicare patients. Medicare paid $73,909 for them.
Dr. Callahan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4512024: 4422%
- Office and hospital visits
- 2023: 4652024: 37519%
- Tests and treatments
- 2023: 2492024: 18824%
- Imaging
- 2023: 302024: 0100%
Where Dr. Callahan's Medicare services took place, 2024
- In an office43043%
- In a facility57557%
Dr. Callahan compared with the South Carolina median for pulmonologists, 2024
- Dr. Callahan
- South Carolina median
- Medicare services
- 1,005vs 88813% above
- Medicare patients
- 361vs 3959% below
- Part D claims
- 692vs 684Close to median
Medians across 184 pulmonologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Callahan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Callahan and other pulmonologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sean P. Callahan treated 361 Medicare patients in 2024, average age 74
CMS counts 361 Medicare patients who saw Dr. Callahan in 2024. The largest group is 65 to 74, with 163 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Callahan's median patient age at 69, with 53% women.
Dr. Callahan's Medicare patients by age, 2024
Dr. Callahan's Medicare patients by sex, 2024
- Women20958%
- Men15242%
Chronic conditions among Dr. Callahan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD50%
- Arthritis45%
- Mood disorders39%
- Ischemic heart disease38%
- Anxiety37%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Callahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sean P. Callahan wrote 851 Medicare Part D claims in 2024
In 2024, Dr. Callahan wrote 851 Medicare Part D claims for 186 patients. CMS names the drug for 692 of them, across 20 drugs with 11 or more claims each, at $218,856 in total drug cost. In 2023, CMS named 852 claims across 25 drugs.
Dr. Callahan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Callahan's Part D claims, 2024
- Antibiotics6%51 of 851 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8522024: 69219%
Drugs named by CMS: 20 in 2024, 25 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Sean P. Callahan offers telehealth to Medicare patients
Dr. Callahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Callahan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sean P. Callahan received $327,061 in industry payments from 2016 to 2025
CMS Open Payments shows 474 general payments to Dr. Callahan from 48 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 76% of the total. Noah Medical Corporation paid the most, $261,392.
General payments to Dr. Callahan by program year, 2016 to 2025
General payments to Dr. Callahan by kind, 2016 to 2025
- Consulting fees$247,53276%
- Travel and lodging$37,02711%
- Food and beverage$22,5777%
- Compensation for serving as faculty or as a speaker for a medical education program$11,7504%
- Other$8,1762%
Companies that paid Dr. Callahan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sean P. 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 | Dmand AI Affiliation 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Sean P. 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. Sean P. Callahan's NPI number?
Dr. Sean P. Callahan's NPI number is 1043505670. It was assigned on June 11, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Sean P. Callahan?
Dr. Sean P. Callahan is a pulmonologist in Greenville, South Carolina. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Sean P. Callahan practice?
Dr. Callahan practices at 890 W Faris Rd, Greenville, SC 29605. Dr. Callahan's primary practice is Prisma Health Gi Lab Services - HOPD in Greenville, South Carolina. Dmand AI also links Dr. Callahan to 5 hospitals and 1 medical group.
What is Dr. Sean P. Callahan's medical license number?
Dr. Callahan holds South Carolina license 37061.
Which hospitals is Dr. Sean P. Callahan affiliated with?
Dr. Callahan is affiliated with Prisma Health Greenville Memorial Hospital. Dmand AI links Dr. Callahan to 5 more hospitals.
What medical group is Dr. Sean P. Callahan part of?
Dr. Callahan is linked to Prisma Health Medical Group. Dmand AI links Dr. Callahan to 1 more medical group.
Does Dr. Sean P. Callahan accept Medicare?
Yes. CMS data shows Dr. Callahan billed Medicare for 1,005 services in 2024, and Dr. Callahan accepts Medicare assignment.
Does Dr. Sean P. Callahan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Callahan as offering telehealth services.
How many Medicare patients does Dr. Sean P. Callahan see?
CMS counts 361 Medicare patients who saw Dr. Callahan in 2024, with an average age of 74.
What services does Dr. Sean P. Callahan bill to Medicare?
In 2024, Dr. Callahan's most billed Medicare services were office visit, established patient (99214), lung function service (94729) and surgery: lungs and airway (31624).
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What drugs does Dr. Sean P. Callahan prescribe most?
In 2024 Medicare Part D data, Dr. Callahan's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Breo Ellipta.
Has Dr. Sean P. Callahan received payments from drug or device companies?
CMS Open Payments shows $327,061 in general payments to Dr. Callahan from 48 companies from 2016 to 2025. The largest total came from Noah Medical Corporation.
How long has Dr. Sean P. Callahan been practicing?
Dr. Callahan graduated from medical school in 2011, 15 years ago.
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