Dr. Kristen E. Day, MD

  • Bozeman, MT
  • Pediatrician
NPI1689826141
Part D claims, 2023
157
Hospital affiliations
1
Industry payments
$383
Medical groups
2
State licenses
2
Practice address
915 Highland Blvd, Bozeman, MT 59715
Practice phone
Call (406) 585-5000
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Kristen E. Day is a pediatrician in Bozeman, Montana

Dr. Day practices at Bozeman Health Deaconess Regional Medical Center in Bozeman, Montana, part of Bozeman Deaconess Health Services.

Dr. Day's NPI, 1689826141, was assigned on October 15, 2008. Dr. Day graduated from University of Oklahoma College of Medicine in 2007. Dr. Day holds Montana license 18576.

NPI and contact details
NPI enumeration date
October 15, 2008
NPI status
Active
Practice phone
(406) 585-5000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Kristen E. Day practices at Bozeman Health Deaconess Regional Medical Center in Bozeman, Montana

Dr. Day's primary practice is Bozeman Health Deaconess Regional Medical Center, at 915 Highland Blvd, Bozeman, MT 59715 in Gallatin County. The practice phone is (406) 585-5000.

Source: Dmand AI Affiliation Data

Dr. Kristen E. Day is affiliated with 3 sites of care and 2 medical groups

Dr. Day's primary practice is Bozeman Health Deaconess Regional Medical Center in Bozeman, Montana, part of Bozeman Deaconess Health Services. The medical group on file is Bozeman Health. Dmand AI also links Dr. Day to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Day's employer is on file too: a hospital.

See all 5 affiliations for Dr. Day

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kristen E. Day's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Day practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Bozeman Health Deaconess Regional Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Day practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Bozeman Deaconess Health Services and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Kristen E. Day is one of 129 pediatricians in Montana

Pediatrics is Dr. Day's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. Day's licenses on file in 2 states: Montana and Utah.

Specialties and state licenses

  • Pediatrics, MontanaPrimaryLicense 18576 · taxonomy 208000000X
  • Utah licenseLicense 7152008-1205

Pediatricians near Dr. Day

Counts of pediatricians 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. Kristen E. Day's patients have a median age of 10

Across all payers, Dmand AI patient panel data puts Dr. Day's median patient age at 10, with 60% women.

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 10

Patient panel by sex, all payers

  • Women60%
  • Men40%

Source: Dmand AI Patient Panel Data

Dr. Kristen E. Day wrote 157 Medicare Part D claims in 2023

In 2023, Dr. Day wrote 157 Medicare Part D claims. They cover 4 drugs, with $19,258 in total drug cost. In 2022, CMS named 122 claims across 4 drugs.

Part D claims, 2023157
Drugs named by CMS4
Total drug cost$19,258

Dr. Day's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 1222023: 15729%

Drugs named by CMS: 4 in 2023, 4 in 2022.

See all prescribing by Dr. Day

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Kristen E. Day received $383 in industry payments from 2016 to 2024

CMS Open Payments shows 21 general payments to Dr. Day from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $111.

General payments to Dr. Day by program year, 2016 to 2024

Companies that paid Dr. Day the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Day

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Kristen E. Day graduated from University of Oklahoma College of Medicine

Dr. Day graduated from University of Oklahoma College of Medicine in 2007.

  1. Medical schoolUniversity of Oklahoma College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Kristen E. Day's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Kristen E. 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. Kristen E. Day's NPI number?

Dr. Kristen E. Day's NPI number is 1689826141. It was assigned on October 15, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Kristen E. Day?

Dr. Kristen E. Day is a pediatrician in Bozeman, Montana. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Kristen E. Day practice?

Dr. Day practices at 915 Highland Blvd, Bozeman, MT 59715. Dr. Day's primary practice is Bozeman Health Deaconess Regional Medical Center in Bozeman, Montana, part of Bozeman Deaconess Health Services. Dmand AI also links Dr. Day to 2 group practices and clinics and 1 medical group.

What is Dr. Kristen E. Day's office phone number?

The practice phone on file for Dr. Day is (406) 585-5000.

What is Dr. Kristen E. Day's medical license number?

Dr. Day holds Montana license 18576, one of the licenses on file in 2 states.

Which states has Dr. Kristen E. Day been licensed in?

Dmand AI has state licenses on file for Dr. Day in Montana and Utah.

Which hospitals is Dr. Kristen E. Day affiliated with?

Dr. Day practices at Bozeman Health Deaconess Regional Medical Center in Bozeman, Montana.

What medical group is Dr. Kristen E. Day part of?

Dr. Day is linked to Bozeman Health. Dmand AI links Dr. Day to 1 more medical group.

Where did Dr. Kristen E. Day go to medical school?

Dr. Day graduated from University of Oklahoma College of Medicine in 2007.

What drugs does Dr. Kristen E. Day prescribe most?

In 2023 Medicare Part D data, Dr. Day's most prescribed drugs by claims were Typhim Vi, Adacel Tdap and Twinrix.

Has Dr. Kristen E. Day received payments from drug or device companies?

CMS Open Payments shows $383 in general payments to Dr. Day from 7 companies from 2016 to 2024. The largest total came from Sanofi Pasteur Inc.

How long has Dr. Kristen E. Day been practicing?

Dr. Day graduated from medical school in 2007, 19 years ago.

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