NPPES file of Aug 9, 2026

Thomas Lloyd Kasten, M.D.

Family Medicine Physician · Portland, OR

Thomas Lloyd Kasten, M.D. is a family medicine physician with a practice address in Portland, Oregon, and NPI 1861467805, issued on Feb 22, 2006. Check the license (Oregon MD24733, as entered in NPPES) 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
1861467805
Name
Thomas Lloyd Kasten
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD24733 OR
Self-reported in NPPES; status is on the state search
Practice location
1321 NE 99TH Ave, Portland, OR 97220
Phone
(503) 215-9900
Enumerated
Feb 22, 2006
Record last updated
Mar 6, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(503) 215-4025
Medicaid IDs
297601 OR
8376741 WA
Medicare enrollment
Enrolled (PECOS I20040319001165); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2000
Telehealth
Offers telehealth (CMS)
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 1321 NE 99TH Ave

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

  1. Mahnaz Ahmad, M.D.Internal Medicine Physician1124046727
  2. Allan Alexander, M.D.Family Medicine Physician1548273022
  3. Annamarie Bain, FNPFamily Nurse Practitioner1588814172
  4. Amarprit Bains, MDHospitalist Physician1295939395
  5. John Barton, M.D.Family Medicine Physician1427263151
  6. James Bartruff, MDInternal Medicine Physician1790793230

Verify Thomas Lloyd Kasten in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD24733
    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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1% more Medicare Part D claims than the average family medicine physician in 2024

3,569 Medicare Part D claims for 247 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 216 claims were for opioids.

  1. Thomas Kasten3,569
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium306 claims
  2. Lisinopril136 claims
  3. Levothyroxine Sodium122 claims
  4. Omeprazole112 claims
  5. Hydrocodone-Acetaminophen106 claims
  6. Amlodipine Besylate103 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. Providence Health And Services OregonPortland, OR

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

Thomas Lloyd Kasten among 2,847 family medicine physician records in Oregon

Thomas Lloyd Kasten, M.D. is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2000 · median 2009 among the 1,671 with a school on file
  • Record last updated2015 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

561 family medicine physician records list a practice address in Portland

They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.

The 8 family medicine physician records with the nearest ZIP codes

  1. Heather Beecher, MDPortland, OR 972201558307546
  2. Rima Chamie, MDPortland, OR 972201316993801
  3. Jodi Demunter, MDPortland, OR 972201780614727
  4. Heidi Ferguson, MDPortland, OR 972201306810858
  5. Thomas Henry, MDPortland, OR 972201427029321
  6. Keith Kale, D.O.Portland, OR 972201043254378
  7. Kristin Kocher, MDPortland, OR 972201629004155
  8. Barbara Lang, MDPortland, OR 972201568491926

Common questions

What is Thomas Lloyd Kasten, M.D.'s NPI number?

Thomas Lloyd Kasten, M.D.'s National Provider Identifier (NPI) is 1861467805, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Lloyd Kasten, M.D. located?

The NPPES record lists a practice address at 1321 NE 99TH Ave, Portland, OR, 97220. Phone: (503) 215-9900. Providers update this record themselves, so call before visiting.

How can I verify Thomas Lloyd Kasten, M.D.'s license?

NPPES lists Oregon license number MD24733, as entered by the provider. 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 Lloyd Kasten, M.D. prescribe under Medicare Part D?

In 2024, Thomas Lloyd Kasten, M.D. had 3,569 Medicare Part D claims for 247 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.