NPPES file of Aug 9, 2026

Thomas De Santis

Internal Medicine Physician · Bend, OR

Thomas De Santis is an internal medicine physician with a practice address in Bend, Oregon, and NPI 1457919995, issued on May 30, 2019. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457919995
Name
Thomas De Santis
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
R-11595 IA
Self-reported in NPPES; status is on the state search
Practice location
2500 NE Neff RD, Bend, OR 97701
Phone
(541) 706-6892
Enumerated
May 30, 2019
Record last updated
Sep 13, 2022
Fax
(541) 706-6813
Medicare enrollment
Enrolled (PECOS I20220818000147); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2500 NE Neff RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Abernathy, M.D.Internal Medicine Physician1063433449
  2. Jeffrey Absalon, MDSpecialist1225003833
  3. Hugh Adair, D.O.Cardiovascular Disease Physician1700866746
  4. Kylee AdamekPhysician Assistant1326720186
  5. Laura Adams, L.AC.Internal Medicine Physician1952553745
  6. Tony Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1497098602

Verify Thomas De Santis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

368 Medicare Part D claims for 148 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Thomas De Santis368
  2. Specialty average3,176

Most prescribed

  1. Cefpodoxime Proxetil24 claims
  2. Eliquis17 claims
  3. Furosemide17 claims
  4. Prednisone17 claims
  5. Oxycodone Hcl14 claims
  6. Atorvastatin Calcium13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. St Charles Health System IncBend, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas De Santis among 2,116 internal medicine physician records in Oregon

Thomas De Santis is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2019 · median 2008 among the 1,232 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

97 internal medicine physician records list a practice address in Bend

They are 97 of the 5,313 NPPES records with a practice address in Bend, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Corso, M.D.Bend, OR 977011487624409
  2. Jeffrey Davis, MDBend, OR 977011942205752
  3. David Donnelly, M.D.Bend, OR 977011952355828
  4. Benjamin England, M.D.Bend, OR 977011114916186
  5. Christina Ford, MDBend, OR 977011528057593
  6. Gary Hood, MDBend, OR 977011316942709
  7. Robin Lannan, M.D.Bend, OR 977011467401273
  8. Lisa Lewis, M.D.Bend, OR 977011962486621

Common questions

What is Thomas De Santis's NPI number?

Thomas De Santis's National Provider Identifier (NPI) is 1457919995, issued on May 30, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Thomas De Santis located?

The NPPES record lists a practice address at 2500 NE Neff RD, Bend, OR, 97701. Phone: (541) 706-6892. Providers update this record themselves, so call before visiting.

How can I verify Thomas De Santis's license?

Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas De Santis prescribe under Medicare Part D?

In 2024, Thomas De Santis had 368 Medicare Part D claims for 148 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.