Doctor profile · Federal record
Dr. Sean Demars, M.D.
Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Otolaryngology Physician · Richland, WA
- NPI 1841261492
- Accepts Medicare
- 23 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
780 Swift Blvd Ste 301
Richland, WA 993523524
(599) 942-3178
fax (509) 946-1735 - Additional location
-
2900 12Th Ave N., Ste 330W
Billings, MT 591017590
(406) 238-6161
fax (406) 238-6171 - Mailing address
-
550 Gage Blvd Ste 101
Richland, WA 993529532
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- November 11, 2021
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State licenses (3)
- Washington #MD61139453 · Washington #AP30007073 · Montana #MED-PHYS-LIC-18285
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841261492. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
624
Distinct HCPCS
9
Medicare allowed
$52,782
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 142 | 142 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 110 | 81 | $66 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 93 | 77 | $97 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 73 | 68 | $68 | |
69210 |
Removal of impacted ear wax | 61 | 51 | $31 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 52 | 52 | $83 | |
31231 |
Diagnostic exam of nasal passages using an endoscope | 51 | 27 | $65 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 29 | 25 | $27 | |
31237 |
Biopsy or removal of nasal polyp or tissue using an endoscope | 13 | 11 | $192 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 68. This provider delivers 9.2× the peer median.Open Payments
Industry payments received
All-time total
$130
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inspire Medical Systems, Inc. | 1 | $105.36 | |
| Medtronic, Inc. | 1 | $24.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
192
Patients
90
Total drug cost
$3,949
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azelastine Hcl | Generic | 43 | 20 | $1,775 |
| Ipratropium Bromide | Generic | 39 | 13 | $1,238 |
| Fluticasone Propionate | Generic | 35 | 17 | $296 |
| Omeprazole | Generic | 32 | 0 | $220 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 18 | $101 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 11 | $256 |
| Prednisone | Generic | 11 | 11 | $64 |
Hospital affiliations
Frequently asked questions
What is Dr. Sean Demars's medical specialty?
Dr. Sean Demars practices Otolaryngology Physician in Richland, WA.
Where does Dr. Sean Demars practice?
Dr. Sean Demars practices at 780 Swift Blvd Ste 301, Richland, WA 993523524. Office phone: 5999423178.
What is Dr. Sean Demars's NPI?
Dr. Sean Demars's National Provider Identifier (NPI) is 1841261492, issued by NPPES.
Does Dr. Sean Demars accept Medicare assignment?
Yes. Dr. Sean Demars accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Demars commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.