Sean Callahan, M.D.
NPI 1043505670 · Pulmonary Disease Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Callahan, M.D. is a Pulmonary Disease Physician provider in Greenville, SC (NPI 1043505670).
Provider details
- NPI number
- 1043505670
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 37061 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,005 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $117 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 81 | $28 |
| Irrigation and Suction of Lung Airways to Obtain Cells Using an Endoscope31624 | 78 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 68 | $165 |
| Test to Measure Expiratory Airflow and Volume94010 | 66 | $15 |
| Biopsy of Lobe of Lung Using an Endoscope, 1 Lobe31628 | 59 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 147 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 124 | 53 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 57 | — |
| Prednisone | 53 | 34 |
| Montelukast Sodium | 51 | 17 |
| Furosemide | 34 | — |
| Fluticasone Propion/Salmeterol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$155,867 across 48 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 200 Patewood Dr Ste B300Greenville, SC 29615-6338Phone: (864) 454-4200Fax: (864) 522-4205
Registry dates
- Enumerated
- 2011-06-11
- Last updated
- 2025-12-15
- Certified
- 2025-12-15
Frequently asked questions
- What is Sean Callahan's NPI number?
- Sean Callahan's National Provider Identifier (NPI) is 1043505670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Callahan's specialty?
- Sean Callahan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Callahan located?
- Sean Callahan's practice location on file with NPPES is 890 W Faris Rd Ste 580, Greenville, SC 29605-4281.
- What is Sean Callahan's phone number?
- The practice phone number listed in the NPPES registry for Sean Callahan is (864) 455-7874.
- Does Sean Callahan accept Medicare?
- Sean Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Callahan's NPI active?
- Yes — Sean Callahan's NPI (1043505670) is active in the NPPES registry as of the last update on 2025-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.