Christopher C. Day
- Hospital affiliations
- 1
- Industry payments
- $90
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 10 Calle Casia, San Juan, PR 00921
- Practice phone
- Call (800) 449-8729
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Christopher 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.
Christopher C. Day is a hospitalist in San Juan, Puerto Rico
Christopher Day practices at San Juan VA Medical Center in San Juan, Puerto Rico, part of Veterans Health Administration.
Christopher Day's NPI, 1144589524, was assigned on May 7, 2012. Christopher Day holds Puerto Rico license 18,723.
- NPI
- 1144589524NPI Registry (opens in a new tab)
- NPI enumeration date
- May 7, 2012
- NPI status
- Active
- Practice phone
- (800) 449-8729
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Christopher C. Day practices at San Juan VA Medical Center in San Juan, Puerto Rico
Christopher Day's primary practice is San Juan VA Medical Center, at 10 Calle Casia, San Juan, PR 00921 in San Juan County. The practice phone is (800) 449-8729.
- San Juan VA Medical Center10 Calle Casia, San Juan, PR 00921 · San Juan CountyPhone(800) 449-8729
Source: Dmand AI Affiliation Data
Christopher C. Day is affiliated with 1 site of care
Christopher Day's primary practice is San Juan VA Medical Center in San Juan, Puerto Rico, part of Veterans Health Administration. Christopher Day's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher C. Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Day practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Juan VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher C. Day is one of 38 hospitalists in Puerto Rico
Hospitalist is Christopher Day's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Christopher Day is licensed in Puerto Rico.
Specialties and state licenses
- Hospitalist, Puerto RicoPrimary
Hospitalists near Christopher Day
Counts of hospitalists 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
Christopher C. Day's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Christopher Day's median patient age at 59, with 17% women.
Christopher 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 59
Patient panel by sex, all payers
- Women17%
- Men83%
Source: Dmand AI Patient Panel Data
Christopher C. Day received $90 in industry payments in 2018
CMS Open Payments shows 1 general payment to Christopher Day from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $90.
Companies that paid Christopher Day the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christopher C. 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Christopher C. 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 Christopher C. Day's NPI number?
Christopher C. Day's NPI number is 1144589524. It was assigned on May 7, 2012, and it is active in the NPI Registry.
What does Christopher C. Day specialize in?
Christopher C. Day is a hospitalist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Christopher C. Day practice?
Christopher Day practices at 10 Calle Casia, San Juan, PR 00921. Christopher Day's primary practice is San Juan VA Medical Center in San Juan, Puerto Rico, part of Veterans Health Administration.
What is Christopher C. Day's office phone number?
The practice phone on file for Christopher Day is (800) 449-8729.
What is Christopher C. Day's medical license number?
Christopher Day holds Puerto Rico license 18,723.
Which hospitals is Christopher C. Day affiliated with?
Christopher Day practices at San Juan VA Medical Center in San Juan, Puerto Rico.
Has Christopher C. Day received payments from drug or device companies?
CMS Open Payments shows $90 in general payments to Christopher Day from 1 company from 2018 to 2018. The largest total came from Merck Sharp & Dohme Corporation.
How long has Christopher C. Day been practicing?
Christopher Day's NPI was assigned in 2012.
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