Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Erin C. Grosslight, NP

Works at hospitals in Nampa, ID · Boise, ID · Idaho

Summary

Erin C. Grosslight, NP is a nurse practitioner at 520 S Eagle Rd, Suite 1241, Meridian, ID 83642. Phone: (208) 288-2255. Accepts Medicare assignment. In 2024, Erin C. Grosslight had 88 Original Medicare patients and 124 services. NPI 1518330281. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Erin C. Grosslight, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Erin C. Grosslight accept Medicare assignment?
Yes. Medicare's clinician data says Erin C. Grosslight accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Erin C. Grosslight see?
In 2024, CMS data shows 88 Original Medicare patients and 124 services for Erin C. Grosslight. This counts Original Medicare only and measures volume, not quality.
What is Erin C. Grosslight's NPI number?
1518330281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Erin C. Grosslight, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients88
Services billed to Medicare124
Different services or procedures19
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)44 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)21 services
  3. Hospital discharge day management, 30 minutes or less (99238)17 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol73%
  • Arthritis59%
  • Depression36%
  • Atrial fibrillation36%
  • Anxiety31%

Hospitals where Erin C. Grosslight works

Medicare's Facility Affiliation Data lists Erin C. Grosslight at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Erin C. Grosslight is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erin C. Grosslight as a member of this group (CMS data updated October 2, 2026).

  • St Lukes Clinic-Treasure Valley LLC1,173 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Idaho →

Other nurse practitioners in Meridian

Clinicians with the same Medicare primary specialty in Meridian, ID — not a recommendation.

All nurse practitioners in Meridian →

Other clinicians in St Lukes Clinic-Treasure Valley LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518330281
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians