NPPES file of Aug 9, 2026

Riley Los

Pediatric Nurse Practitioner · Grand Rapids, MI

Riley Los is a pediatric nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1205658457, issued on Oct 29, 2024. Check the license (Michigan 20248618, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205658457
Name
Riley Los
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License number
20248618 MI
Self-reported in NPPES; status is on the state search
Practice location
35 Michigan St NE Ste 1800, Grand Rapids, MI 49503
Phone
(616) 391-3933
Enumerated
Oct 29, 2024
Record last updated
Apr 30, 2025
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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8 nearest pediatric nurse practitioner records → All 534 in Michigan → Look up another NPI →

Also registered at 35 Michigan St NE Ste 1800

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

  1. Aditya Dewoolkar, MDPediatric Endocrinology Physician1376893487
  2. Wilsabel Fermin, LMSWClinical Social Worker1982100202
  3. Ashton GreenePhysical Therapist1013734615
  4. Hanna Jaworski, M.D.Pediatrics Physician1588878631
  5. Nader Kasim, M.D.Pediatrics Physician1972893527
  6. Emily Marietta, LMSWClinical Social Worker1851897938

Verify Riley Los in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 20248618    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 Michigan 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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Riley Los among 534 pediatric nurse practitioner records in Michigan

Riley Los is one of 534 pediatric nurse practitioner records with a practice address in Michigan. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 91% of them.

  • NPI issued2024 · 91% of these records are older, 5% newer
  • In a Medicare fileNo · 36% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Michigan

There are 534 pediatric nurse practitioner records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 534 in Michigan → Every provider in Grand Rapids → Pediatric Nurse Practitioner nationwide →

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Allison Bannick, NPGrand Rapids, MI 495031821103441
  2. Erin Broene, NPGrand Rapids, MI 495031134496342
  3. Jane Brouwer, NPGrand Rapids, MI 495031881848430
  4. Kathleen Buller, NPGrand Rapids, MI 495031083623128
  5. Andrea Demonbrun, NPGrand Rapids, MI 495031083986665
  6. Lynn Fagerman, PNPGrand Rapids, MI 495031073553194
  7. Jill Gibson, NPGrand Rapids, MI 495031073553376
  8. Hilary Marine, CPNPGrand Rapids, MI 495031619121118

Common questions

What is Riley Los's NPI number?

Riley Los's National Provider Identifier (NPI) is 1205658457, issued on Oct 29, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Riley Los located?

The NPPES record lists a practice address at 35 Michigan St NE Ste 1800, Grand Rapids, MI, 49503. Phone: (616) 391-3933. Providers update this record themselves, so call before visiting.

How can I verify Riley Los's license?

NPPES lists Michigan license number 20248618, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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. 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.