SEAN P CALLAHAN M.D.
NPI 1043505670
Internal Medicine - Pulmonary Disease in Greenville, SC

Q: What is Sean Callahan's NPI number?

The NPI number for Sean Callahan is 1043505670. It was assigned to this individual provider in the NPPES registry on June 11, 2011.

Q: What is Sean Callahan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Sean Callahan was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since June 11, 2011PECOS EnrolledAccepts Medicare Assignment

890 W FARIS RD STE 580, GREENVILLE, SC 29605(864) 455-7874(864) 455-8933 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 15, 2025, May 10, 2021, Dec 14, 2020 and 1 more (4 updates tracked since 2017).

On this page

About Sean P Callahan M.d. NPPES

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

SEAN P CALLAHAN M.D. (NPI 1043505670) is an individual pulmonary disease provider in Greenville, South Carolina, licensed in South Carolina (37061) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Oconee Memorial Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1043505670

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameSEAN P CALLAHANCredential: M.D.

Location Address890 W FARIS RD STE 580Greenville, SC 29605-4281

Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8617

Phone(864) 455-7874

Fax(864) 455-8933

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJune 11, 2011

Last NPPES UpdateDecember 15, 20254 updates tracked since enumeration

NPPES CertifiedDecember 15, 2025

✔ NPI 1043505670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in SC · 37061

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

890 W FARIS RD STE 580, Greenville, SC 29605

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Other Identifiers 1

Medicaid370618SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and more.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

Sean P Callahan M.d. 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 ID6305168774

PECOS Enrollment IDI20170810000005

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 23

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 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.

107 services88 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

81 services79 patients

Irrigation and suction of lung airways to obtain cells using an endoscope 31624

This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.

78 services77 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

68 services61 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

66 services65 patients

Biopsy of lobe of lung using an endoscope, 1 lobe 31628

A lung biopsy is a procedure where a small piece of lung tissue is taken for testing. An endoscope, a flexible tube with a light and camera, is used. It's inserted through the mouth or nose, down the windpipe, and into one lobe of the lung.

59 services58 patients

Needle biopsy of windpipe cartilage, airway, and/or lung using an endoscope 31629

A needle biopsy of windpipe cartilage, airway, or lung involves using a thin, flexible tube with a camera (endoscope) to access and collect tissue samples. This procedure helps doctors diagnose lung conditions or diseases effectively and safely.

58 services57 patients

Computer-assisted image-guided navigation of lung airways using an endoscope 31627

This procedure involves the use of a special camera, called an endoscope, and computer technology to create real-time images of your lung airways. This helps doctors navigate through your lungs accurately, aiding in diagnosis or treatment.

56 services55 patients

Exam of lung airways with diagnostic or therapeutic procedure on growths using an endoscope and ultrasound 31654

This procedure involves using a specialized instrument, called an endoscope, to examine the lung airways. An ultrasound is also used to get a clearer image of any growths. If necessary, the doctor can perform procedures to diagnose or treat these growths.

56 services55 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

53 services31 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

43 services28 patients

Aspiration of initial secretion of lung airway using an endoscope 31645

This procedure involves using a thin, flexible tube called an endoscope to collect initial secretions from your lung airway. This helps doctors diagnose and treat respiratory conditions. It's a safe, minimally invasive procedure.

42 services38 patients

Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 3 or more lymph nodes 31653

This procedure involves using a special scope and ultrasound to examine your lung airways and sample tissue from 3 or more lymph nodes. It aids in diagnosing lung conditions and checking lymph node health.

40 services40 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

38 services38 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

25 services25 patients

Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes 31652

This procedure involves a special tube with a camera (endoscope) entering your lung airways. Guided by ultrasound, it collects samples from 1-2 lymph nodes. This helps doctors understand and diagnose potential issues in your lungs.

22 services22 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

21 services17 patients

Destruction of growth or narrowing of lung airway using an endoscope 31641

This procedure involves using a special tool called an endoscope to treat abnormal growths or narrowing in the lung airway. The endoscope, inserted through the mouth, allows the doctor to visualize and treat the affected area without making large incisions.

18 services14 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

16 services16 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

16 services16 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.

15 services15 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

14 services11 patients

Biopsy of lung airway using an endoscope 31625

A biopsy of the lung airway using an endoscope is a procedure where a small, flexible tube with a light and camera is inserted through your mouth or nose to reach your lungs. A tiny tool on the endoscope collects a small tissue sample for examination.

13 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Prisma Health Oconee Memorial Hospital

Acute Care Hospitals · Seneca, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420009

Location298 Memorial DrSeneca, SC 29672 · Oconee County

Emergency services Birthing friendly

Prisma Health Baptist Easley Hospital

Acute Care Hospitals · Easley, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420015

Location200 Fleetwood DriveEasley, SC 29640 · Pickens County

Emergency services

Prisma Health Greer Memorial Hospital

Acute Care Hospitals · Spartanburg, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420033

Location1413 John B White Sr Blvd Suite DSpartanburg, SC 29306 · Spartanburg County

Emergency services Birthing friendly

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420078

Location701 Grove RoadGreenville, SC 29605 · Greenville County

Birthing friendly

Prisma Health Patewood Hospital

Acute Care Hospitals · Greenville, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420102

Location175 Patewood DriveGreenville, SC 29615 · Greenville County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 20

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

6 suppliers28 claims28 services$35.67 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

3 suppliers15 claims30 services$1.07 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

5 suppliers14 claims14 services$78.12 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

5 suppliers16 claims38 services$29.30 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

5 suppliers32 claims129 services$11.94 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

7 suppliers31 claims31 services$46.85 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

7 suppliers24 claims24 services$14.96 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

3 suppliers20 claims20 services$9.23 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

9 suppliers60 claims260 services$1.71 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

7 suppliers24 claims24 services$12.32 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers98 claims104 services$13.82 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

1 supplier18 claims18 services$39.71 avg. paid by Medicare

High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each E0483

DME-Other DME · category DE000N

2 suppliers14 claims14 services$911.22 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

3 suppliers85 claims85 services$3.87 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

4 suppliers25 claims30 services$25.27 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

6 suppliers137 claims144 services$62.21 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers33 claims33 services$30.30 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

12 suppliers29 claims5,164 services$0.03 avg. paid by Medicare

Levalbuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 0.5 mg J7614

DME-Drugs Administered Through DME · category DG006N

1 supplier14 claims3,164 services$0.04 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

12 suppliers36 claims36 services$22.45 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

DR. ROBERT VINCENT MADLINGER D.O.

Surgery (Surgical Critical Care)

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

STACEY LEIGH MONTGOMERY ARNP

Nurse Practitioner (Adult Health)

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

AMANDA MARIE MCCOY IGNAUT NP

Nurse Practitioner (Gerontology)

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

MARGRET LYNETTE CALLAHAN

Nurse Practitioner (Acute Care)

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

MARK POITRAS PA-C

Physician Assistant

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

DR. MARIE JUDETTE POLYNICE MD

Internal Medicine (Critical Care Medicine)

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

JOHN SHARP II DO

Internal Medicine (Critical Care Medicine)

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

ZACHARY JAY SMITH PA

Physician Assistant

890 W FARIS RD STE 580
GREENVILLE, SC 29605

Greenville County (864) 455-7874

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 Sean Callahan's NPI number?

The NPI number for Sean Callahan is 1043505670. It was assigned to this individual provider in the NPPES registry on June 11, 2011.

Where is Sean Callahan located?

Sean Callahan practices at 890 W Faris Rd Ste 580, Greenville, SC 29605. The listed phone number is (864) 455-7874.

What is Sean Callahan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Sean Callahan enrolled in Medicare?

Yes. Sean 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 Sean Callahan accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and InStil Health list Sean 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 Sean Callahan affiliated with any hospitals?

According to CMS data, Sean Callahan is affiliated with Prisma Health Oconee Memorial Hospital, Prisma Health Baptist Easley Hospital, Prisma Health Greer Memorial Hospital, Prisma Health Greenville Memorial Hospital and Prisma Health Patewood Hospital.

When was this NPI record last updated?

The NPPES record for Sean Callahan was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.