MS. MARIA R. CLARK-HARMON (ANP) – Adult Health Nurse Practitioner, NPI 1013956036

MS. MARIA R. CLARK-HARMON (ANP) is a healthcare provider. based in Corvallis, Oregon. specializing in NURSE PRACTITIONER. They hold the professional credentials ANP. They hold a License No. 200050038NP/ANP (OR). The NPI Number for MS. MARIA R. CLARK-HARMON (ANP) is 1013956036

Main info

Female
26 Years Of Experience
Accepts Medicare Assignment
Name
MS. MARIA R. CLARK-HARMON (ANP)
NPI
1013956036
Phone
(541) 768-5140
Address
PO BOX 1189
Enumeration Date
5 June 2006
Last Update Date
6 November 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5417685140
Graduation Year
2000 (26 years ago)
PAC ID
5496739807
Group Practice PAC ID
1557270725
Professional Enrollment ID
I20040615000196
Address ID
OR973304744CO3521XDRXX402
Telehealth
Yes

Contacts

Secure Messaging
mclarkharmon45044@samhealth.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

3,366 NURSE PRACTITIONER in OR

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Provider Addresses for MS. MARIA R. CLARK-HARMON (ANP)

  • Corvallis Post Office, Southwest Jefferson Avenue, Corvallis, Benton County, Oregon, 97331, United States

    CORVALLIS, OR 973391189

    Phone: (541) 768-5140

    Type: Mailing

  • 3521, Northwest Samaritan Drive, Corvallis, Benton County, Oregon, 97330, United States

    SUITE 201

    CORVALLIS, OR 973304744

    Phone: (541) 768-5140

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-06-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040615000196INurse PractitionerORTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 97339)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1557270725View full group profile
NameSpecialtyState
Internal MedicineOR
-OR
Rheumatology, Internal MedicineOR
Physical Therapist In Private PracticeMT
Physician AssistantOR
-OR
-OR
A N E S T H E S I O L O G YOR
G A S T R O E N T E R O L O G YOR
Occupational Therapist In Private PracticeOR

Reviews

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Frequently asked questions

What is MS. MARIA R. CLARK-HARMON (ANP)'s NPI number?
MS. MARIA R. CLARK-HARMON (ANP)'s NPI is 1013956036 — the number used across U.S. healthcare to identify this provider.
Is there an active status for MS. MARIA R. CLARK-HARMON (ANP)?
For scheduling context, MS. MARIA R. CLARK-HARMON (ANP) is shown as active in the registry.
What kind of doctor is MS. MARIA R. CLARK-HARMON (ANP)?
MS. MARIA R. CLARK-HARMON (ANP) is associated with Adult Health Nurse Practitioner in the directory — Clinical services aligned with this taxonomy classification.
Where in Oregon is MS. MARIA R. CLARK-HARMON (ANP) registered?
Use Corvallis, Oregon as the headline location for MS. MARIA R. CLARK-HARMON (ANP) here.
Can I trust this NPI listing for MS. MARIA R. CLARK-HARMON (ANP)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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