Mary Helen Samuels, MD
Endocrinology, Diabetes & Metabolism Physician · Portland, OR
Mary Helen Samuels, MD is an endocrinology, diabetes & metabolism physician with a practice address in Portland, Oregon, and NPI 1659387108, issued on Aug 1, 2006. Check the license (Oregon MD18212, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Helen Samuels
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD18212 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-8311
- Enumerated
- Aug 1, 2006
- Record last updated
- Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 055124 OR
- Medicare enrollment
- Enrolled (PECOS I20081103000046); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1983
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 104 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Mary Helen Samuels in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD18212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
88 Medicare Part D claims for 17 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Levothyroxine Sodium34 claims
- Testosterone14 claims
- Hydrocortisone13 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 MIPS final score for 2023 (Medicare payment program): 97.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Professional ServicesBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Helen Samuels among 104 endocrinology, diabetes & metabolism physician records in Oregon
Mary Helen Samuels, MD is one of 104 endocrinology, diabetes & metabolism physician records with a practice address in Oregon. 72% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 47% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1983 · median 2001 among the 67 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Oregon
There are 104 endocrinology, diabetes & metabolism physician records in Oregon.
All 104 in Oregon → Every provider in Portland → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Andrew Ahmann, MDPortland, OR 972391891701405
- Matthew Bliziotes, MDPortland, OR 972391144235649
- Paul Duell, MDPortland, OR 972391265448864
- Maria Fleseriu, MDPortland, OR 972391700983574
- Robert Klein, MDPortland, OR 972391215945761
- Erin Leblanc, MDPortland, OR 972391740298207
- Donald Loriaux, MD, PHDPortland, OR 972391447266994
- James Lundblad, MD, PHDPortland, OR 972391518064393
Common questions
What is Mary Helen Samuels, MD's NPI number?
Mary Helen Samuels, MD's National Provider Identifier (NPI) is 1659387108, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Helen Samuels, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8311. Providers update this record themselves, so call before visiting.
How can I verify Mary Helen Samuels, MD's license?
NPPES lists Oregon license number MD18212, 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 Mary Helen Samuels, MD prescribe under Medicare Part D?
In 2024, Mary Helen Samuels, MD had 88 Medicare Part D claims for 17 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Mary Helen Samuels, MD's MIPS final score?
The 2023 MIPS final score is 97.8 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.