David L. Day, PA
- Medicare services, 2024
- 250
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 2,620
- Hospital affiliations
- 2
- Industry payments
- $981
- Practice address
- 32 W 1st S, Rexburg, ID 83440
- Practice phone
- Call (208) 356-7585
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Teton Medical Group
Rexburg, Idaho
Find David 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.
David L. Day is a general practice physician in Rexburg, Idaho
David Day practices at Teton Medical Group in Rexburg, Idaho.
David Day's NPI, 1649321134, was assigned on January 13, 2007. David Day holds Idaho license PA394.
- NPI
- 1649321134NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173587854
- NPI enumeration date
- January 13, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (208) 356-7585
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
David L. Day practices at Teton Medical Group in Rexburg, Idaho
David Day's primary practice is Teton Medical Group, at 32 W 1st S, Rexburg, ID 83440 in Madison County. The practice phone is (208) 356-7585.
- Teton Medical Group32 W 1st S, Rexburg, ID 83440 · Madison CountyPhone(208) 356-7585
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David L. Day is affiliated with 4 sites of care and 1 medical group
David Day's primary practice is Teton Medical Group in Rexburg, Idaho. David Day is also affiliated with Madison Memorial Hospital. The medical group on file is Teton Medical Group. Dmand AI also links David Day to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David L. Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Day practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Teton Medical Group | Available with a free account |
| +3 more affiliated sites | 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.
David L. Day is one of 30 general practice physicians in Idaho
General practice is David Day's primary specialty in the NPI Registry, under taxonomy code 208D00000X. David Day is licensed in Idaho.
Specialties and state licenses
- General practice, IdahoPrimary
General practice physicians near David Day
Counts of general practice 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
David L. Day billed Medicare for 250 services in 2024
CMS data shows 250 Medicare services from David Day across 4 procedure codes in 2024, for 84 Medicare patients. Medicare paid $6,779 for them. Every service was in an office.
David Day's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1752024: 11435%
- Drugs given in the office
- 2023: 1952024: 8158%
- Tests and treatments
- 2023: 372024: 355%
- Other services
- 2023: 172024: 2018%
David Day compared with the Idaho median for general practice physicians, 2024
- David Day
- Idaho median
- Medicare services
- 250vs 250Close to median
- Medicare patients
- 84vs 13236% below
- Part D claims
- 2,178vs 2488.8 times
Medians across 28 general practice physicians in Idaho with Dmand AI profiles that report each measure.
David 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 David Day?
Medicare shows one payer. Book a meeting to get commercial claims data for David Day and other general practice physicians in Idaho.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
David L. Day treated 84 Medicare patients in 2024, average age 69
CMS counts 84 Medicare patients who saw David Day in 2024. The largest group is 65 to 74, with 45 patients. 56% of them have high blood pressure, and 46% have arthritis. 17% are also on Medicaid. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Day's median patient age at 43, with 41% women.
David Day's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Day's Medicare patients by sex, 2024
- Women4149%
- Men4351%
Chronic conditions among David Day's Medicare patients, 2024
- High blood pressure56%
- Arthritis46%
- High cholesterol42%
- Diabetes29%
- Anxiety14%
- Asthma14%
- Depression14%
- Mood disorders14%
Share of Medicare patients with each condition. A patient can have several.
David 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 43
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David L. Day wrote 2,620 Medicare Part D claims in 2024
In 2024, David Day wrote 2,620 Medicare Part D claims for 188 patients. 93% of them were for generic drugs. CMS names the drug for 2,178 of them, across 62 drugs with 11 or more claims each, at $87,195 in total drug cost. In 2023, CMS named 1,998 claims across 59 drugs.
David Day's Part D claims by kind of drug, 2024
- Generic2,429 claims93%
- Brand-name and other191 claims7%
David 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 David Day's Part D claims, 2024
- Opioids1%26 of 2,620 claims
- Antibiotics4%113 of 2,620 claims
- Antipsychotics, patients 65 and over1%20 of 2,620 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: 1,9982024: 2,1789%
Drugs named by CMS: 62 in 2024, 59 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
How David L. Day takes part in Medicare
David Day accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (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.
David L. Day received $981 in industry payments from 2021 to 2025
CMS Open Payments shows 55 general payments to David Day from 7 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $810.
General payments to David Day by program year, 2021 to 2025
General payments to David Day by kind, 2021 to 2025
- Food and beverage$96899%
- Education$121%
Companies that paid David Day the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David L. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 David L. 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 David L. Day's NPI number?
David L. Day's NPI number is 1649321134. It was assigned on January 13, 2007, and it is active in the NPI Registry.
What does David L. Day specialize in?
David L. Day is a general practice physician in Rexburg, Idaho. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does David L. Day practice?
David Day practices at 32 W 1st S, Rexburg, ID 83440. David Day's primary practice is Teton Medical Group in Rexburg, Idaho. Dmand AI also links David Day to 1 hospital and 1 group practice or clinic.
What is David L. Day's office phone number?
The practice phone on file for David Day is (208) 356-7585.
What is David L. Day's medical license number?
David Day holds Idaho license PA394.
Which hospitals is David L. Day affiliated with?
David Day is affiliated with Madison Memorial Hospital. Dmand AI links David Day to 1 more hospital.
What medical group is David L. Day part of?
David Day is linked to Teton Medical Group.
Does David L. Day accept Medicare?
Yes. CMS data shows David Day billed Medicare for 250 services in 2024, and David Day accepts Medicare assignment.
How many Medicare patients does David L. Day see?
CMS counts 84 Medicare patients who saw David Day in 2024, with an average age of 69.
What services does David L. Day bill to Medicare?
In 2024, David Day's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J3301) and infusion or chemotherapy administration (96372).
Show 3 more questionsShow fewer questions
What drugs does David L. Day prescribe most?
In 2024 Medicare Part D data, David Day's most prescribed drugs by claims were Levothyroxine Sodium, Pantoprazole Sodium and Amlodipine Besylate.
Has David L. Day received payments from drug or device companies?
CMS Open Payments shows $981 in general payments to David Day from 7 companies from 2021 to 2025. The largest total came from Abbvie Inc.
How long has David L. Day been practicing?
David Day graduated from medical school in 1998, 28 years ago.
Selling to general practice practices?
See general practice physicians in Idaho 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