NPPES file of Aug 9, 2026

Hamilton Read Caulkins, MD

Internal Medicine Physician · Hillsboro, OR

Hamilton Read Caulkins, MD is an internal medicine physician with a practice address in Hillsboro, Oregon, and NPI 1568951614, issued on May 4, 2018. Check the license (Oregon MD217752, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568951614
Name
Hamilton Read Caulkins
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD217752 OR
MD61098450 WA
Self-reported in NPPES; status is on the state search
Practice location
2875 NE Stucki Ave, Hillsboro, OR 97124
Phone
(800) 813-2000
Enumerated
May 4, 2018
Record last updated
Jun 12, 2025
Medicare enrollment
Enrolled (PECOS I20210512003349); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2018
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 2875 NE Stucki Ave

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

  1. Kayla AlamilloPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1558946822
  2. Misha Anderson, MDEmergency Medicine Physician1063850881
  3. Valentina Antonova, MDInternal Medicine Physician1760642565
  4. Fadi Balla, MDSurgery Physician1255626016
  5. Amy Barnes, DOObstetrics & Gynecology Physician1053534313
  6. Sydney Beatty, MDOtolaryngology Physician1639795966

Verify Hamilton Read Caulkins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD217752
    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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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

157 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Hamilton Caulkins157
  2. Specialty average3,176

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.

The MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The NorthwestLongview, WA

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

Hamilton Read Caulkins among 2,116 internal medicine physician records in Oregon

Hamilton Read Caulkins, MD 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 2018, is newer than 83% of them.

  • NPI issued2018 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2018 · median 2008 among the 1,232 with a school on file
  • Record last updated2025 · 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).

65 internal medicine physician records list a practice address in Hillsboro

They are 65 of the 3,302 NPPES records with a practice address in Hillsboro, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Neil Blair, M.D.Hillsboro, OR 971241730275496
  2. Stephanie De Jesus, M.D.Hillsboro, OR 971241700870193
  3. Steven Gordon, M.D.Hillsboro, OR 971241134225725
  4. Leslie Johnson, MDHillsboro, OR 971241558313817
  5. Manuel Karlin, MDHillsboro, OR 971241780741165
  6. Anuja Mittal-Henkle, MDHillsboro, OR 971241972518470
  7. Kishoree Patel, MDHillsboro, OR 971241023189750
  8. Anna Peter, MDHillsboro, OR 971241962580837

Common questions

What is Hamilton Read Caulkins, MD's NPI number?

Hamilton Read Caulkins, MD's National Provider Identifier (NPI) is 1568951614, issued on May 4, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Hamilton Read Caulkins, MD located?

The NPPES record lists a practice address at 2875 NE Stucki Ave, Hillsboro, OR, 97124. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Hamilton Read Caulkins, MD's license?

NPPES lists Oregon license number MD217752, 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 Hamilton Read Caulkins, MD prescribe under Medicare Part D?

In 2024, Hamilton Read Caulkins, MD had 157 Medicare Part D claims for 50 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Hamilton Read Caulkins, MD's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.