Doctor profile · Federal record
Dr. Katherine Day, M.D.
Otolaryngology Physician (CMS: Otolaryngology) · Bel Air, MD
- NPI 1598836801
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 24 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
520 Upper Chesapeake Dr, Suite 206
Bel Air, MD 210144339
(410) 879-9100
fax (410) 879-0227
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- March 25, 2015
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State license (1)
- Maryland #D0058518
- Medicaid
- MD #405062200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598836801. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,404
Distinct HCPCS
10
Medicare allowed
$382,608
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 891 | 662 | $95 | |
69210 |
Removal of impacted ear wax | 709 | 457 | $49 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 686 | 475 | $133 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 500 | 16 | $16 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 349 | 254 | $60 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 244 | 244 | $173 | |
95117 |
Professional service for multiple injections of allergen | 233 | 13 | $12 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 199 | 175 | $137 | |
G0268 |
Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing | 186 | 182 | $56 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 183 | 183 | $118 |
In context: peer comparison
Among 3 peers in Bel Air Otolaryngology Physician, average services per provider: 178. This provider delivers 25× the peer median.Open Payments
Industry payments received
All-time total
$308
Transactions
10
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Regeneron Healthcare Solutions, INC. | 3 | $84.45 | |
| Sanofi-Aventis U.S. LLC | 1 | $74.99 | |
| Genzyme Corporation | 3 | $62.30 | |
| Optinose US, INC. | 2 | $52.50 | |
| GlaxoSmithKline, LLC. | 1 | $33.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,163
Patients
613
Total drug cost
$33,003
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 278 | 103 | $6,256 |
| Fluticasone Propionate | Generic | 247 | 124 | $5,444 |
| Ipratropium Bromide | Generic | 112 | 49 | $8,948 |
| Prednisone | Generic | 64 | 57 | $306 |
| Famotidine | Generic | 60 | 27 | $1,308 |
| Omeprazole | Generic | 57 | 22 | $1,319 |
| Doxycycline Hyclate | Generic | 54 | 39 | $1,243 |
| Azelastine Hcl | Generic | 48 | 25 | $1,397 |
| Amoxicillin | Generic | 47 | 40 | $274 |
| Levothyroxine Sodium | Generic | 40 | 14 | $951 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Day's medical specialty?
Dr. Katherine Day practices Otolaryngology Physician in Bel Air, MD.
Where does Dr. Katherine Day practice?
Dr. Katherine Day practices at 520 Upper Chesapeake Dr, Bel Air, MD 210144339. Office phone: 4108799100.
What is Dr. Katherine Day's NPI?
Dr. Katherine Day's National Provider Identifier (NPI) is 1598836801, issued by NPPES.
Does Dr. Katherine Day accept Medicare assignment?
Yes. Dr. Katherine Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Day commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of impacted ear wax (HCPCS 69210); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.