Thomas De Santis

  • Bend, OR
  • Internist
NPI1457919995PAC ID3678806353
Medicare services, 2024
537
Medicare patients, 2024
240
Part D claims, 2024
368
Hospital affiliations
2
Industry payments
$196
Practice address
2500 NE Neff Road, Bend, OR 97701
Practice phone
Call (541) 382-4321
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Charles Bend

Hospital · Bend, Oregon

See all 3 affiliations

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Thomas De Santis is an internist in Bend, Oregon

Thomas De Santis practices at St. Charles Bend in Bend, Oregon, part of St. Charles Health System.

Thomas De Santis' NPI, 1457919995, was assigned on May 30, 2019. Thomas De Santis graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2019. Thomas De Santis holds Iowa license R-11595.

NPI and contact details
Medicare PAC ID
3678806353
NPI enumeration date
May 30, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(541) 382-4321
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Thomas De Santis practices at St. Charles Bend in Bend, Oregon

Thomas De Santis' primary practice is St. Charles Bend, at 2500 NE Neff Road, Bend, OR 97701 in Deschutes County. The practice phone is (541) 382-4321.

  • St. Charles Bend
    2500 NE Neff Road, Bend, OR 97701 · Deschutes CountyPhone(541) 382-4321

Source: Dmand AI Affiliation Data

Thomas De Santis is affiliated with 2 sites of care and 1 medical group

Thomas De Santis' primary practice is St. Charles Bend in Bend, Oregon, part of St. Charles Health System. Thomas De Santis is also affiliated with St. Charles Prineville. The medical group on file is St. Charles Health System. Thomas De Santis' employer is on file too: a hospital.

See all 3 affiliations for Thomas De Santis

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

Dmand AI tracks the EHR system at Thomas De Santis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Thomas De Santis practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Charles BendAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Thomas De Santis is one of 1,680 internists in Oregon

Internal medicine is Thomas De Santis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Thomas De Santis is licensed in Iowa.

Specialties and state licenses

  • Internal medicine, IowaPrimaryLicense R-11595 · taxonomy 207R00000X

Internists near Thomas De Santis

Counts of internists 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

Thomas De Santis billed Medicare for 537 services in 2024

CMS data shows 537 Medicare services from Thomas De Santis across 6 procedure codes in 2024, for 240 Medicare patients. Medicare paid $47,038 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024537
Medicare patients240
Paid by Medicare$47,038
Procedure codes6

Thomas De Santis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5402024: 5371%

Thomas De Santis compared with the Oregon median for internists, 2024

  • Thomas De Santis
  • Oregon median
Medicare services
537vs 30079% above
Medicare patients
240vs 13282% above
Part D claims
125vs 22244% below

Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.

Thomas De Santis' 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.

See all procedures by Thomas De Santis

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Thomas De Santis treated 240 Medicare patients in 2024, average age 78

CMS counts 240 Medicare patients who saw Thomas De Santis in 2024. The largest group is 75 to 84, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Thomas De Santis' median patient age at 76, with 58% women.

Medicare patients, 2024240
Average age78
Average risk score2.00
Also on Medicaid22%

Thomas De Santis' Medicare patients by age, 2024

Thomas De Santis' Medicare patients by sex, 2024

  • Women12552%
  • Men11548%

Chronic conditions among Thomas De Santis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease48%
  4. Arthritis47%
  5. Atrial fibrillation43%
  6. Mood disorders41%
  7. Anxiety40%
  8. Depression40%

Share of Medicare patients with each condition. A patient can have several.

Thomas De Santis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women58%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Thomas De Santis wrote 368 Medicare Part D claims in 2024

In 2024, Thomas De Santis wrote 368 Medicare Part D claims for 148 patients. 86% of them were for generic drugs. CMS names the drug for 125 of them, across 8 drugs with 11 or more claims each, at $10,188 in total drug cost. In 2023, CMS named 69 claims across 5 drugs.

Part D claims, 2024368
Drugs named by CMS8
Total drug cost$10,188
Part D patients148

Thomas De Santis' Part D claims by kind of drug, 2024

  • Generic316 claims86%
  • Brand-name and other52 claims14%

Thomas De Santis' 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 Thomas De Santis' Part D claims, 2024

  • Opioids6%23 of 368 claims
  • Antibiotics17%62 of 368 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: 692024: 12581%

Drugs named by CMS: 8 in 2024, 5 in 2023.

See all prescribing by Thomas De Santis

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 Thomas De Santis takes part in Medicare

Thomas De Santis 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)

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Thomas De Santis received $196 in industry payments from 2020 to 2022

CMS Open Payments shows 12 general payments to Thomas De Santis from 6 drug and device companies from 2020 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $82.

General payments to Thomas De Santis by program year, 2020 to 2022

Companies that paid Thomas De Santis the most, 2020 to 2022

Share is of all general payments to this clinician.

See all payments to Thomas De Santis

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

Thomas De Santis graduated from Des Moines University of Osteopathic Medicine and Health Sciences

Thomas De Santis graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2019.

  1. Medical schoolDes Moines University of Osteopathic Medicine and Health Sciences

Source: Dmand AI Professional Profile Data

Sources for Thomas De Santis'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (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 Thomas De Santis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Thomas De Santis' NPI number?

Thomas De Santis' NPI number is 1457919995. It was assigned on May 30, 2019, and it is active in the NPI Registry.

What does Thomas De Santis specialize in?

Thomas De Santis is an internist in Bend, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Thomas De Santis practice?

Thomas De Santis practices at 2500 NE Neff Road, Bend, OR 97701. Thomas De Santis' primary practice is St. Charles Bend in Bend, Oregon, part of St. Charles Health System.

What is Thomas De Santis' office phone number?

The practice phone on file for Thomas De Santis is (541) 382-4321.

What is Thomas De Santis' medical license number?

Thomas De Santis holds Iowa license R-11595.

Which hospitals is Thomas De Santis affiliated with?

Thomas De Santis practices at St. Charles Bend in Bend, Oregon. Thomas De Santis is also affiliated with St. Charles Prineville.

What medical group is Thomas De Santis part of?

Thomas De Santis is linked to St. Charles Health System.

Does Thomas De Santis accept Medicare?

Yes. CMS data shows Thomas De Santis billed Medicare for 537 services in 2024, and Thomas De Santis accepts Medicare assignment.

How many Medicare patients does Thomas De Santis see?

CMS counts 240 Medicare patients who saw Thomas De Santis in 2024, with an average age of 78.

What services does Thomas De Santis bill to Medicare?

In 2024, Thomas De Santis' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).

Show 4 more questionsShow fewer questions

Where did Thomas De Santis go to medical school?

Thomas De Santis graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2019.

What drugs does Thomas De Santis prescribe most?

In 2024 Medicare Part D data, Thomas De Santis' most prescribed drugs by claims were Cefpodoxime Proxetil, Eliquis and Furosemide.

Has Thomas De Santis received payments from drug or device companies?

CMS Open Payments shows $196 in general payments to Thomas De Santis from 6 companies from 2020 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Thomas De Santis been practicing?

Thomas De Santis graduated from medical school in 2019, 7 years ago.

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