Diane K. Clark, ACNP
Acute Care Nurse Practitioner · Portland, OR
Diane K. Clark, ACNP is an acute care nurse practitioner with a practice address in Portland, Oregon, and NPI 1881863488, issued on Feb 27, 2008. Check the license (Oregon 201150003NP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane K. Clark
- Credential
- ACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 201150003NP OR
278877-4405 UT
Self-reported in NPPES; status is on the state search - Practice location
- 9427 SW Barnes RD, Portland, OR 97225
- Phone
- (503) 216-1150
- Enumerated
- Feb 27, 2008
- Record last updated
- Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 500631611 OR
- Medicare enrollment
- Enrolled (PECOS I20110325000419); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 201 in Oregon → Look up another NPI →
Also registered at 9427 SW Barnes RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane K. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 201150003NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
50 Medicare Part D claims for 19 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Eliquis19 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $117.78
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane K. Clark among 201 acute care nurse practitioner records in Oregon
Diane K. Clark, ACNP is one of 201 acute care nurse practitioner records with a practice address in Oregon. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 12% of them.
- NPI issued2008 · 12% of these records are older, 86% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2008 · median 2019 among the 165 with a school on file
- Record last updated2021 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Oregon
There are 201 acute care nurse practitioner records in Oregon.
All 201 in Oregon → Every provider in Portland → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Amy AlbertsPortland, OR 972251336592468
- Christine Bloom, NPPortland, OR 972251417083726
- Erica Degenhardt, NPPortland, OR 972251851607196
- Alea Garces, ACNPPortland, OR 972251629440656
- Patrick Graham, DNP, AGACNP-BCPortland, OR 972251437624038
- Anna Hartshorn, ACNPPortland, OR 972251174724157
- Anna Hoenig, AGACNPPortland, OR 972251740851336
- Gregory Johnson, APRN, AGACNP-BCPortland, OR 972251821572876
Common questions
What is Diane K. Clark, ACNP's NPI number?
Diane K. Clark, ACNP's National Provider Identifier (NPI) is 1881863488, issued on Feb 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Diane K. Clark, ACNP located?
The NPPES record lists a practice address at 9427 SW Barnes RD, Portland, OR, 97225. Phone: (503) 216-1150. Providers update this record themselves, so call before visiting.
How can I verify Diane K. Clark, ACNP's license?
NPPES lists Oregon license number 201150003NP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Diane K. Clark, ACNP prescribe under Medicare Part D?
In 2024, Diane K. Clark, ACNP had 50 Medicare Part D claims for 19 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Diane K. Clark, ACNP'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.