NPPES file of Aug 9, 2026

Mary Kristine Horton, A.N.P.

Registered Nurse · Portland, OR

Mary Kristine Horton, A.N.P. is a registered nurse with a practice address in Portland, Oregon, and NPI 1043395619, issued on Oct 25, 2006. Check the license (Oregon 000026282N3 ANP-PP, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043395619
Name
Mary Kristine Horton
Credential
A.N.P.
Primary taxonomy
Registered Nurse 163W00000X
License number
000026282N3 ANP-PP OR
Self-reported in NPPES; status is on the state search
Practice location
2701 NW Vaughn St, Portland, OR 97210
Phone
(503) 279-8252
Enumerated
Oct 25, 2006
Record last updated
Sep 11, 2025
Fax
(503) 279-8926
Medicaid ID
270439 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2701 NW Vaughn St

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

  1. Wesley Allen, M.S., CCC-SLPSpeech-Language Pathologist1154878643
  2. Liliana Arrechea, O.T.R.Occupational Therapist1770596173
  3. Linda Barbee, PTPhysical Therapist1285647768
  4. Miranda Bass, LCSWClinical Social Worker1699966945
  5. Richard Beam, M.D.Internal Medicine Physician1760584098
  6. James Bergthold, M.D.Internal Medicine Physician1215150024

Verify Mary Kristine Horton 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 000026282N3 ANP-PP
    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.

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93% fewer Medicare Part D claims than the average registered nurse in 2024

47 Medicare Part D claims for 12 beneficiaries, against an average of 678 among the 694 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.

  1. Mary Horton47
  2. Specialty average678

Most prescribed

  1. Levothyroxine Sodium18 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.

Mary Kristine Horton among 2,449 registered nurse records in Oregon

Mary Kristine Horton, A.N.P. is one of 2,449 registered nurse records with a practice address in Oregon. under 1% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 97% newer
  • In a Medicare fileYes · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

855 registered nurse records list a practice address in Portland

They are 855 of the 42,088 NPPES records with a practice address in Portland, and 2,449 registered nurse records in Oregon.

The 8 registered nurse records with the nearest ZIP codes

  1. William Butterfield, RNPortland, OR 972101982302436
  2. Chrystal Collins, RNPortland, OR 972101295693794
  3. Jessie FosterPortland, OR 972101417814179
  4. Heather FruhlingPortland, OR 972101770731887
  5. Monica Gripp, RN, BSNPortland, OR 972101346934221
  6. Christopher Stapp, RNPortland, OR 972101275017980
  7. Susan Wagner-Debusman, RNPortland, OR 972101588994818
  8. Natasha Zittin, RN, BSNPortland, OR 972101780930099

Common questions

What is Mary Kristine Horton, A.N.P.'s NPI number?

Mary Kristine Horton, A.N.P.'s National Provider Identifier (NPI) is 1043395619, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Kristine Horton, A.N.P. located?

The NPPES record lists a practice address at 2701 NW Vaughn St, Portland, OR, 97210. Phone: (503) 279-8252. Providers update this record themselves, so call before visiting.

How can I verify Mary Kristine Horton, A.N.P.'s license?

NPPES lists Oregon license number 000026282N3 ANP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Kristine Horton, A.N.P. prescribe under Medicare Part D?

In 2024, Mary Kristine Horton, A.N.P. had 47 Medicare Part D claims for 12 beneficiaries; the average among registered nurse prescribers was 678. Part D covers Medicare prescriptions only.

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.