MRS. DIANE K CLARK ACNP
NPI 1881863488
Nurse Practitioner - Acute Care in Portland, OR

Active since February 27, 2008PECOS EnrolledAccepts Medicare Assignment
87.76/100
CMS Quality Rating
9427 SW BARNES RD, STE 595, PORTLAND, OR 97225(503) 216-1150 Get Directions Write a Review

NPPES record last updated: February 19, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 19, 2021, May 20, 2016 (2 updates tracked since 2016).

About Mrs. Diane K Clark Acnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. DIANE K CLARK ACNP (NPI 1881863488) is an individual acute care provider in Portland, Oregon, licensed in Oregon (201150003NP) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of University Of Utah School Of Medicine (2008).

NPPES Registry Identity

NPI1881863488
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. DIANE K CLARKCredential: ACNP
Location Address9427 SW BARNES RD, STE 595Portland, OR 97225-6640
Mailing AddressPo Box 3158Portland, OR 97208-3158 · (503) 215-6494 · Fax (503) 215-6644
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2008
Enumeration DateFebruary 27, 2008
Last NPPES UpdateFebruary 19, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2021
NPI 1881863488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses Licensed in OR · 201150003NP Licensed in UT · 278877-4405
Also ListedNurse PractitionerTaxonomy 363L00000X · License 201150003NP (OR)
Also ListedClinical Nurse Specialist · Critical Care MedicineTaxonomy 364SC0200X · License 278877-4405 (UT)
9427 SW BARNES RD, Portland, OR 97225

Other Identifiers 2

Medicaid500631611OR
OtherP00957594OR · Rr Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Diane K Clark Acnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274660493
PECOS Enrollment IDI20110325000419
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
29 services29 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
29 services24 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
26 services20 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
26 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.76/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.17
Promoting Interoperability100
Improvement Activities40
Cost74.03

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Advanced Practice Midwife
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Surgery
9427 SW BARNES RD, SUITE 596
PORTLAND, OR 97225
Nurse Practitioner (Family)
9427 SW BARNES RD, SUITE 595
PORTLAND, OR 97225
Pediatrics
9427 SW BARNES RD, SUITE 396
PORTLAND, OR 97225
Pediatrics
9427 SW BARNES RD, SUITE 598
PORTLAND, OR 97225
Obstetrics & Gynecology
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Obstetrics & Gynecology (Gynecology)
9427 SW BARNES RD, SUITE 599
PORTLAND, OR 97225
Internal Medicine (Clinical Cardiac Electrophysiology)
9427 SW BARNES RD, STE 490
PORTLAND, OR 97225

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diane Clark's NPI number?

The NPI number for Diane Clark is 1881863488. It was assigned to this individual provider in the NPPES registry on February 27, 2008.

Where is Diane Clark located?

Diane Clark practices at 9427 SW Barnes Rd Ste 595, Portland, OR 97225. The listed phone number is (503) 216-1150.

What is Diane Clark's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Diane Clark enrolled in Medicare?

Yes. Diane Clark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Diane Clark accept?

Health plans from Providence Health Plan list Diane Clark as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Diane Clark affiliated with any hospitals?

According to CMS data, Diane Clark is affiliated with Providence St Vincent Medical Center.

When was this NPI record last updated?

The NPPES record for Diane Clark was last updated on February 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.