Quick answers
- Does Chad B. Gunnlaugsson accept Medicare assignment?
- Yes. Medicare's clinician data says Chad B. Gunnlaugsson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Chad B. Gunnlaugsson see?
- In 2024, CMS data shows 656 Original Medicare patients and 25,337 services for Chad B. Gunnlaugsson. This counts Original Medicare only and measures volume, not quality.
- What is Chad B. Gunnlaugsson's NPI number?
- 1194755314. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Chad B. Gunnlaugsson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 656 |
|---|---|
| Services billed to Medicare | 25,337 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Professional service for preparation and provision of 1 or more antigens (95165)15,540 services
- Professional service for multiple injections of allergen (95117)5,567 services
- Test for allergy using allergenic extract (95004)2,166 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)701 services
- Test for allergy using airborne allergenic extract injected into skin (95027)552 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes32%
- Ischemic heart disease28%
- Anxiety23%
Hospitals where Chad B. Gunnlaugsson works
Medicare's Facility Affiliation Data lists Chad B. Gunnlaugsson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- MUSC Health Columbia Medical Center DowntownColumbia, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420026
Practice locations
Addresses where Chad B. Gunnlaugsson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1040 Pinnacle Point DrColumbia, SC 29223 (803) 509‑7200
Group practices
Medicare enrollment lists Chad B. Gunnlaugsson as a member of this group (CMS data updated October 2, 2026).
- Southeastern Ear Nose Throat Allergy and Sleep Disorders Institute2 clinicians in the group
Specialties
- Otolaryngologyprimary
- Sleep Medicinealso
Other ENT doctors in Columbia
Clinicians with the same Medicare primary specialty in Columbia, SC — not a recommendation.
Other clinicians in Southeastern Ear Nose Throat Allergy and Sleep Disorders Institute
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194755314 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians