NPPES file of Aug 9, 2026

Shellie Marthini, ARNP

Gerontology Nurse Practitioner · Richland, WA

Shellie Marthini, ARNP is a gerontology nurse practitioner with a practice address in Richland, Washington, and NPI 1790313419, issued on Mar 29, 2020. Check the license (Washington AP61059985, as entered in NPPES) with the Washington 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
1790313419
Name
Shellie Marthini
Credential
ARNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
AP61059985 WA
Self-reported in NPPES; status is on the state search
Practice location
560 Gage Blvd Ste 102, Richland, WA 99352
Phone
(509) 942-3135
Enumerated
Mar 29, 2020
Record last updated
Nov 13, 2024
Fax
(509) 627-1188
Medicare enrollment
Enrolled (PECOS I20200522000583); accepts Medicare assignment
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.
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8 nearest gerontology nurse practitioner records → All 209 in Washington → Look up another NPI →

Also registered at 560 Gage Blvd Ste 102

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

  1. Debra Berger, NP-CFamily Nurse Practitioner1508107087
  2. Julie CookAdult Health Nurse Practitioner1740431261
  3. Timothy Lord, ARNPGerontology Nurse Practitioner1699094623
  4. Julie Schmidt, LICSWSocial Worker1851782577
  5. Smita Sikhrakar, AGPCNPGerontology Nurse Practitioner1124596762
  6. Delia Takagi, MDGeriatric Medicine (Internal Medicine) Physician1568751097

Verify Shellie Marthini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP61059985    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 Washington 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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2.1 times the Medicare Part D claims of the average gerontology nurse practitioner in 2024

2,866 Medicare Part D claims for 290 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 48 claims were for opioids.

  1. Shellie Marthini2,866
  2. Specialty average1,369

Most prescribed

  1. Levothyroxine Sodium240 claims
  2. Losartan Potassium144 claims
  3. Lisinopril116 claims
  4. Amlodipine Besylate109 claims
  5. Atorvastatin Calcium104 claims
  6. Trelegy Ellipta70 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.

Industry payments in 2024: $1,033.84

45 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shellie Marthini$1,033.84
  2. Specialty average$742.05

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

  1. Thuthi Enterprises LLCSelah, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shellie Marthini among 209 gerontology nurse practitioner records in Washington

Shellie Marthini, ARNP is one of 209 gerontology nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 66% of them.

  • NPI issued2020 · 66% of these records are older, 26% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2020 · median 2019 among the 120 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Washington

There are 209 gerontology nurse practitioner records in Washington.

All 209 in Washington → Every provider in Richland → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Kelsey Charles, ARNPRichland, WA 993521427656669
  2. Lily Ann Corleto, ARNPRichland, WA 993521366280190
  3. Si Feng, ARNPRichland, WA 993521851742415
  4. Julie Holgado, NPRichland, WA 993521487096269
  5. Vi-Thao Le, AGPCNP-BCRichland, WA 993521801428818
  6. Timothy Lord, ARNPRichland, WA 993521699094623
  7. Joshua Morgan, ARNPRichland, WA 993521336689421
  8. Joy Morrison, ARNPRichland, WA 993521427500206

Common questions

What is Shellie Marthini, ARNP's NPI number?

Shellie Marthini, ARNP's National Provider Identifier (NPI) is 1790313419, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Shellie Marthini, ARNP located?

The NPPES record lists a practice address at 560 Gage Blvd Ste 102, Richland, WA, 99352. Phone: (509) 942-3135. Providers update this record themselves, so call before visiting.

How can I verify Shellie Marthini, ARNP's license?

NPPES lists Washington license number AP61059985, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Shellie Marthini, ARNP prescribe under Medicare Part D?

In 2024, Shellie Marthini, ARNP had 2,866 Medicare Part D claims for 290 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.