NPPES file of Aug 9, 2026

Hunter Cliffton Spencer, D.O.

Internal Medicine Physician · Hillsboro, OR

Hunter Cliffton Spencer, D.O. is an internal medicine physician with a practice address in Hillsboro, Oregon, and NPI 1306377627, issued on Mar 27, 2017. Check the license (Oregon DO192809, 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
1306377627
Name
Hunter Cliffton Spencer
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DO192809 OR
Self-reported in NPPES; status is on the state search
Practice location
364 SE 8TH Ave Ste 301, Hillsboro, OR 97123
Phone
(503) 681-4233
Enumerated
Mar 27, 2017
Record last updated
Sep 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200720001470); accepts Medicare assignment
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 364 SE 8TH Ave Ste 301

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

  1. Mustaquim Chowdhury, MDInternal Medicine Physician1033223656
  2. Nicholas Clarke, MDEndocrinology, Diabetes & Metabolism Physician1124112016
  3. James HjortClinical Social Worker1962715250
  4. Giulia LeggettInternal Medicine Physician1205269867
  5. Gladys Madrigal, CHWCommunity Health Worker1740135771
  6. Chidi OkonkwoMedical Physician Assistant1710571732

Verify Hunter Cliffton Spencer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO192809
    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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19% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,574 Medicare Part D claims for 327 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 35 claims were for opioids.

  1. Hunter Spencer2,574
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium182 claims
  2. Lisinopril96 claims
  3. Amlodipine Besylate94 claims
  4. Losartan Potassium90 claims
  5. Gabapentin72 claims
  6. Warfarin Sodium72 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. Tuality Medical Group LLCHillsboro, OR

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

Hunter Cliffton Spencer among 2,116 internal medicine physician records in Oregon

Hunter Cliffton Spencer, D.O. 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 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2017 · median 2008 among the 1,232 with a school on file
  • Record last updated2020 · 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. Richard Apau, MDHillsboro, OR 971231326114943
  2. Robert Byerly, MDHillsboro, OR 971231578672663
  3. Mustaquim Chowdhury, MDHillsboro, OR 971231033223656
  4. Masuma Chowdhury, M.D.Hillsboro, OR 971231861572604
  5. Edward Clarke, MDHillsboro, OR 971231891801783
  6. Robert Crouse, M.D.Hillsboro, OR 971231659339083
  7. Ian Freeman, PH.D., M.D.Hillsboro, OR 971231881729341
  8. Emily Glick, M.D.Hillsboro, OR 971231841432929

Common questions

What is Hunter Cliffton Spencer, D.O.'s NPI number?

Hunter Cliffton Spencer, D.O.'s National Provider Identifier (NPI) is 1306377627, issued on Mar 27, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Hunter Cliffton Spencer, D.O. located?

The NPPES record lists a practice address at 364 SE 8TH Ave Ste 301, Hillsboro, OR, 97123. Phone: (503) 681-4233. Providers update this record themselves, so call before visiting.

How can I verify Hunter Cliffton Spencer, D.O.'s license?

NPPES lists Oregon license number DO192809, 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 Hunter Cliffton Spencer, D.O. prescribe under Medicare Part D?

In 2024, Hunter Cliffton Spencer, D.O. had 2,574 Medicare Part D claims for 327 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.