Dr. Krista R. Day, MD
- Medicare services, 2024
- 67
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 50
- MIPS score, 2024
- 82
- Hospital affiliations
- 2
- Practice address
- 1850 Town Center Parkway, Reston, VA 20190
- Practice phone
- Call (703) 689-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Day's professional email, personal email and mobile number
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Dr. Krista R. Day is an emergency medicine physician in Reston, Virginia
Dr. Day practices at Reston Hospital Center in Reston, Virginia, part of HCA Healthcare.
Dr. Day's NPI, 1619137304, was assigned on June 16, 2008. Dr. Day graduated from Virginia Commonwealth University, School of Medicine in 2008. Dr. Day holds Virginia license 0101249668.
- NPI
- 1619137304NPI Registry (opens in a new tab)
- NPI enumeration date
- June 16, 2008
- NPI status
- Active
- Practice phone
- (703) 689-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Krista R. Day practices at Reston Hospital Center in Reston, Virginia
Dr. Day's primary practice is Reston Hospital Center, at 1850 Town Center Parkway, Reston, VA 20190 in Fairfax County. The practice phone is (703) 689-9000.
- Reston Hospital Center1850 Town Center Parkway, Reston, VA 20190 · Fairfax CountyPhone(703) 689-9000
Source: Dmand AI Affiliation Data
Dr. Krista R. Day is affiliated with 2 sites of care and 2 medical groups
Dr. Day's primary practice is Reston Hospital Center in Reston, Virginia, part of HCA Healthcare. Dr. Day is also affiliated with Bon Secours Southside Medical Center. The medical group on file is Emergency Medicine Physicians (EMP). Dmand AI also links Dr. Day to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Krista R. Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Day practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Reston Hospital Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Krista R. Day is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Day's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Day is licensed in Virginia.
Specialties and state licenses
- Emergency medicine, VirginiaPrimary
Emergency medicine physicians near Dr. Day
Counts of emergency medicine physicians 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. Krista R. Day billed Medicare for 67 services in 2024
CMS data shows 67 Medicare services from Dr. Day across 2 procedure codes in 2024, for 70 Medicare patients. Medicare paid $8,096 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Day's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 542024: 6724%
Dr. Day compared with the Virginia median for emergency medicine physicians, 2024
- Dr. Day
- Virginia median
- Medicare services
- 67vs 31178% below
- Medicare patients
- 70vs 30777% below
Medians across 1,632 emergency medicine physicians in Virginia 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Krista R. Day treated 70 Medicare patients in 2024, average age 79
CMS counts 70 Medicare patients who saw Dr. Day in 2024. The largest group is 75 to 84, with 30 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Day's median patient age at 45, with 52% women.
Dr. Day's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Day's Medicare patients by sex, 2024
- Women3753%
- Men3347%
Chronic conditions among Dr. Day's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis64%
- Diabetes39%
- Ischemic heart disease34%
- Anxiety29%
- Atrial fibrillation27%
- Mood disorders27%
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 45
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Krista R. Day wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Day wrote 50 Medicare Part D claims for 33 patients. 80% of them were for generic drugs.
Dr. Day's Part D claims by kind of drug, 2024
- Generic40 claims80%
- Brand-name and other10 claims20%
Drug classes CMS tracks in Dr. Day's Part D claims, 2024
- Antibiotics52%26 of 50 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Krista R. Day scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Day for performance year 2024, reported as part of a group.
Dr. Day's MIPS scores, performance year 2024
- 82of 100Final score
- 76.4of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Krista R. Day received $17 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Day from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $17.
Companies that paid Dr. Day the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Krista R. Day graduated from Virginia Commonwealth University, School of Medicine
Dr. Day graduated from Virginia Commonwealth University, School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Krista R. 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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Krista R. 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. Krista R. Day's NPI number?
Dr. Krista R. Day's NPI number is 1619137304. It was assigned on June 16, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Krista R. Day?
Dr. Krista R. Day is an emergency medicine physician in Reston, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Krista R. Day practice?
Dr. Day practices at 1850 Town Center Parkway, Reston, VA 20190. Dr. Day's primary practice is Reston Hospital Center in Reston, Virginia, part of HCA Healthcare. Dmand AI also links Dr. Day to 1 medical group.
What is Dr. Krista R. Day's office phone number?
The practice phone on file for Dr. Day is (703) 689-9000.
What is Dr. Krista R. Day's medical license number?
Dr. Day holds Virginia license 0101249668.
Which hospitals is Dr. Krista R. Day affiliated with?
Dr. Day practices at Reston Hospital Center in Reston, Virginia. Dr. Day is also affiliated with Bon Secours Southside Medical Center.
What medical group is Dr. Krista R. Day part of?
Dr. Day is linked to Emergency Medicine Physicians (EMP). Dmand AI links Dr. Day to 1 more medical group.
Does Dr. Krista R. Day accept Medicare?
Yes. CMS data shows Dr. Day billed Medicare for 67 services in 2024.
What is Dr. Krista R. Day's MIPS score?
Dr. Day's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Krista R. Day see?
CMS counts 70 Medicare patients who saw Dr. Day in 2024, with an average age of 79.
Show 4 more questionsShow fewer questions
What services does Dr. Krista R. Day bill to Medicare?
In 2024, Dr. Day's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
Where did Dr. Krista R. Day go to medical school?
Dr. Day graduated from Virginia Commonwealth University, School of Medicine in 2008.
Has Dr. Krista R. Day received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Day from 1 company from 2023 to 2023. The largest total came from Medtronic, Inc.
How long has Dr. Krista R. Day been practicing?
Dr. Day graduated from medical school in 2008, 18 years ago.
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