NPPES file of Aug 9, 2026

Maria R. Clark-Harmon, ANP

Adult Health Nurse Practitioner · Corvallis, OR

Maria R. Clark-Harmon, ANP is an adult health nurse practitioner with a practice address in Corvallis, Oregon, and NPI 1013956036, issued on Jun 5, 2006. Check the license (Oregon 200050038NP/ANP, as entered in NPPES) with the Oregon board that licenses this profession; 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
1013956036
Name
Maria R. Clark-Harmon
Credential
ANP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
200050038NP/ANP OR
Self-reported in NPPES; status is on the state search
Practice location
3521 NW Samaritan Dr, Corvallis, OR 97330
Phone
(541) 768-5140
Enumerated
Jun 5, 2006
Record last updated
Nov 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040615000196); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 3521 NW Samaritan Dr

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

  1. Jenna Chamness, PHARMDPharmacist1215791249
  2. Dean Crowell, PA, ATCPhysician Assistant1124443320
  3. Jacque Davis, PA-CPhysician Assistant1528146073
  4. Deidre Greene, ANPNurse Practitioner1114963568
  5. Dena Hulting, PA-CPhysician Assistant1154373868
  6. Kristy Jessop, M.D.Internal Medicine Physician1740568609

Verify Maria R. Clark-Harmon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 200050038NP/ANP
    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
Find 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

37 Medicare Part D claims for 35 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Maria Clark-Harmon37
  2. Specialty average1,280

Most prescribed

  1. Paxlovid21 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): 86.2 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 score81.9
  2. Costout of 100 · 30%66.5
  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).

2 hospitals and group practices

  1. Samaritan North Lincoln HospitalLincoln City, OR · Critical Access Hospitals3 of 5 stars
  2. Good Samaritan Hospital CorvallisCorvallis, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Adult Health Nurse Practitioner providers in Oregon

There are 308 adult health nurse practitioner records in Oregon.

Other adult health nurse practitioner records in Oregon

  1. Becky Ahmed, NP-CHillsboro, OR1164849865
  2. Lakshi Aldredge, NPPortland, OR1003920109
  3. Nancy Allison, ANPPortland, OR1124095963
  4. Jennifer AllredCoos Bay, OR1124078407
  5. Stephen Allred, NPPortland, OR1558496158
  6. Mary Lou Alonso, NP1578815783Cave Junction, OR1578815783
  7. Monna Alwine, NURSE PRACTITICIONERKlamath Falls, OR1215415708
  8. Nenice AndrewsHillsboro, OR1437282555
  9. Michelle Anthony, NPSalem, OR1649314220
  10. Robert Anthony, AGPCNPGrants Pass, OR1194357764

Common questions

What is Maria R. Clark-Harmon, ANP's NPI number?

Maria R. Clark-Harmon, ANP's National Provider Identifier (NPI) is 1013956036, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria R. Clark-Harmon, ANP located?

The NPPES record lists a practice address at 3521 NW Samaritan Dr, Corvallis, OR, 97330. Phone: (541) 768-5140. Providers update this record themselves, so call before visiting.

How can I verify Maria R. Clark-Harmon, ANP's license?

NPPES lists Oregon license number 200050038NP/ANP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Maria R. Clark-Harmon, ANP prescribe under Medicare Part D?

In 2024, Maria R. Clark-Harmon, ANP had 37 Medicare Part D claims for 35 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Maria R. Clark-Harmon, ANP's MIPS final score?

The 2023 MIPS final score is 86.2 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.