Dr. Katherine Virginia Day, MD
- Medicare services, 2024
- 4,395
- Medicare patients, 2024
- 1,492
- Part D claims, 2024
- 1,829
- Hospital affiliations
- 2
- Industry payments
- $1,858
- Practice address
- 209 Thomas Street, Bel Air, MD 21014
- Practice phone
- Call (410) 683-5523
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SurgCenter of Bel Air
Surgery Center - Medicare-Certified · Bel Air, Maryland
Find Dr. Day's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Katherine Virginia Day is an otolaryngologist in Bel Air, Maryland
Dr. Day practices at SurgCenter of Bel Air in Bel Air, Maryland.
Dr. Day's NPI, 1598836801, was assigned on November 10, 2006. Dr. Day holds Maryland license D0058518.
- NPI
- 1598836801NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335171180
- NPI enumeration date
- November 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 683-5523
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Virginia Day practices at SurgCenter of Bel Air in Bel Air, Maryland
Dr. Day's primary practice is SurgCenter of Bel Air, at 209 Thomas Street, Bel Air, MD 21014. The practice phone is (410) 683-5523.
- SurgCenter of Bel Air209 Thomas Street, Bel Air, MD 21014Phone(410) 683-5523
Source: Dmand AI Affiliation Data
Dr. Katherine Virginia Day is affiliated with 5 sites of care and 2 medical groups
Dr. Day's primary practice is SurgCenter of Bel Air in Bel Air, Maryland. Dr. Day is also affiliated with University of Maryland Upper Chesapeake Medical Center Bel Air. The medical group on file is Agape Physical Therapy. Dmand AI also links Dr. Day to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine Virginia Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Day practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SurgCenter of Bel Air | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katherine Virginia Day is one of 213 otolaryngologists in Maryland
Otolaryngology is Dr. Day's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Day is licensed in Maryland.
Specialties and state licenses
- Otolaryngology, MarylandPrimary
Otolaryngologists near Dr. Day
Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Katherine Virginia Day billed Medicare for 4,395 services in 2024
CMS data shows 4,395 Medicare services from Dr. Day across 19 procedure codes in 2024, for 1,492 Medicare patients. Medicare paid $276,264 for them.
Dr. Day's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,3822024: 2,3511%
- Surgery
- 2023: 1,0802024: 1,076No change
- Tests and treatments
- 2023: 7562024: 7904%
- Other services
- 2023: 1862024: 1784%
Where Dr. Day's Medicare services took place, 2024
- In an office4,34099%
- In a facility551%
Dr. Day compared with the Maryland median for otolaryngologists, 2024
- Dr. Day
- Maryland median
- Medicare services
- 4,395vs 8025.5 times
- Medicare patients
- 1,492vs 4063.7 times
- Part D claims
- 1,676vs 1769.5 times
Medians across 207 otolaryngologists in Maryland with Dmand AI profiles that report each measure.
Dr. Day's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Day?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Day and other otolaryngologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Virginia Day treated 1,492 Medicare patients in 2024, average age 75
CMS counts 1,492 Medicare patients who saw Dr. Day in 2024. The largest group is 65 to 74, with 602 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Day's median patient age at 67, with 59% women.
Dr. Day's Medicare patients by age, 2024
Dr. Day's Medicare patients by sex, 2024
- Women90861%
- Men58439%
Chronic conditions among Dr. Day's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease31%
- Diabetes30%
- Anxiety26%
- Mood disorders24%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Day's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Virginia Day wrote 1,829 Medicare Part D claims in 2024
In 2024, Dr. Day wrote 1,829 Medicare Part D claims for 611 patients. 96% of them were for generic drugs. CMS names the drug for 1,676 of them, across 33 drugs with 11 or more claims each, at $40,471 in total drug cost. In 2023, CMS named 1,415 claims across 31 drugs.
Dr. Day's Part D claims by kind of drug, 2024
- Generic1,757 claims96%
- Brand-name and other72 claims4%
Dr. Day's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Day's Part D claims, 2024
- Antibiotics12%214 of 1,829 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4152024: 1,67618%
Drugs named by CMS: 33 in 2024, 31 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Katherine Virginia Day scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Day for performance year 2024, reported individually. Dr. Day accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Day's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Katherine Virginia Day received $1,858 in industry payments from 2016 to 2025
CMS Open Payments shows 78 general payments to Dr. Day from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Optinose US, Inc. paid the most, $406.
General payments to Dr. Day by program year, 2016 to 2025
General payments to Dr. Day by kind, 2016 to 2025
- Food and beverage$1,78396%
- Education$754%
Companies that paid Dr. Day the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Katherine Virginia Day's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Katherine Virginia Day
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Katherine Virginia Day's NPI number?
Dr. Katherine Virginia Day's NPI number is 1598836801. It was assigned on November 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Virginia Day?
Dr. Katherine Virginia Day is an otolaryngologist in Bel Air, Maryland. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Katherine Virginia Day practice?
Dr. Day practices at 209 Thomas Street, Bel Air, MD 21014. Dr. Day's primary practice is SurgCenter of Bel Air in Bel Air, Maryland. Dmand AI also links Dr. Day to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Katherine Virginia Day's office phone number?
The practice phone on file for Dr. Day is (410) 683-5523.
What is Dr. Katherine Virginia Day's medical license number?
Dr. Day holds Maryland license D0058518.
Which hospitals is Dr. Katherine Virginia Day affiliated with?
Dr. Day is affiliated with University of Maryland Upper Chesapeake Medical Center Bel Air. Dmand AI links Dr. Day to 1 more hospital.
What medical group is Dr. Katherine Virginia Day part of?
Dr. Day is linked to Agape Physical Therapy. Dmand AI links Dr. Day to 1 more medical group.
Does Dr. Katherine Virginia Day accept Medicare?
Yes. CMS data shows Dr. Day billed Medicare for 4,395 services in 2024, and Dr. Day accepts Medicare assignment.
What is Dr. Katherine Virginia Day's MIPS score?
Dr. Day's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Katherine Virginia Day see?
CMS counts 1,492 Medicare patients who saw Dr. Day in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Katherine Virginia Day bill to Medicare?
In 2024, Dr. Day's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: ear (69210).
What drugs does Dr. Katherine Virginia Day prescribe most?
In 2024 Medicare Part D data, Dr. Day's most prescribed drugs by claims were Fluticasone Propionate, Montelukast Sodium and Ipratropium Bromide.
Has Dr. Katherine Virginia Day received payments from drug or device companies?
CMS Open Payments shows $1,858 in general payments to Dr. Day from 16 companies from 2016 to 2025. The largest total came from Optinose US, Inc.
How long has Dr. Katherine Virginia Day been practicing?
Dr. Day graduated from medical school in 2002, 24 years ago.
Selling to otolaryngology practices?
See otolaryngologists in Maryland by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card