NPPES file of Aug 9, 2026

Samuel Miles Grovenburg, M.D.

Internal Medicine Physician · Portland, OR

Samuel Miles Grovenburg, M.D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1548624166, issued on Apr 9, 2016. Check the license (Oregon MD189434, 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
1548624166
Name
Samuel Miles Grovenburg
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD189434 OR
Self-reported in NPPES; status is on the state search
Practice location
4805 NE Glisan St, Portland, OR 97213
Phone
(503) 215-2392
Enumerated
Apr 9, 2016
Record last updated
Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
500709428 OR
Medicare enrollment
Enrolled (PECOS I20190814003129); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2016
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 4805 NE Glisan St

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

  1. Bethany Adams, DNP, AGACNPGerontology Nurse Practitioner1053955047
  2. Elie Adwani, MDStudent in an Organized Health Care Education/Training Program1952262453
  3. Rehan Ahmad, MDColon & Rectal Surgery Physician1750457990
  4. Stephanie Ahmed, MDObstetrics & Gynecology Physician1447269170
  5. Shaghayegh Aliabadi, M.D.Surgery Physician1083785562
  6. Anna Apostolou-Keith, RD, LDNRegistered Dietitian1639838790

Verify Samuel Miles Grovenburg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD189434
    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

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

207 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 15 claims were for opioids.

  1. Samuel Grovenburg207
  2. Specialty average3,176

Most prescribed

  1. Metoprolol Succinate12 claims
  2. Atorvastatin Calcium11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score85.2
  2. Costout of 100 · 30%74.0
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Providence Health And Services - OregonPortland, OR
  2. Providence Health And Services OregonMilwaukie, OR

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

889 internal medicine physician records list a practice address in Portland

They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.

Other internal medicine physician records in Oregon

  1. Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
  2. Soraya Abbassian, M.D.Portland, OR1225029184
  3. Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
  4. Rand AbedalweliPortland, OR1265019996
  5. Robert Abernathy, M.D.Bend, OR1063433449
  6. Rebecca Abney, D.O.Portland, OR1881984748
  7. Mohamed Aboukhashan, MDMedford, OR1932350782
  8. Allison Abraham, D.O.Portland, OR1831488444
  9. Heidi Abreu Pacheco, M.DMount Angel, OR1669691721
  10. Hennie Abrio, MDRoseburg, OR1891925129

Common questions

What is Samuel Miles Grovenburg, M.D.'s NPI number?

Samuel Miles Grovenburg, M.D.'s National Provider Identifier (NPI) is 1548624166, issued on Apr 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Miles Grovenburg, M.D. located?

The NPPES record lists a practice address at 4805 NE Glisan St, Portland, OR, 97213. Phone: (503) 215-2392. Providers update this record themselves, so call before visiting.

How can I verify Samuel Miles Grovenburg, M.D.'s license?

NPPES lists Oregon license number MD189434, 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 Samuel Miles Grovenburg, M.D. prescribe under Medicare Part D?

In 2024, Samuel Miles Grovenburg, M.D. had 207 Medicare Part D claims for 92 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Samuel Miles Grovenburg, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.8 of 100, reported for the practice group. 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.