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Certified Registered Nurse Anesthetist (CRNA)

Erin N. Wiater, CNA

Works at hospitals in Olney, MD · Maryland

Summary

Erin N. Wiater, CNA is a nurse anesthetist at 1145 19th St NW, 311 Mmg at 19th Street NW, Washington, DC 20036. Phone: (202) 429-2401. Accepts Medicare assignment. In 2024, Erin N. Wiater had 87 Original Medicare patients and 87 services. NPI 1750476966. 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.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 1145 19th St NW, 311 Mmg at 19th Street NW, Washington, DC 20036 · Directions (2 more locations)
  • Phone: (202) 429‑2401
  • Medicare: Accepts Medicare assignment
  • Hospital: MedStar Montgomery Medical Center
  • Group practice: MedStar Medical Group II LLC
  • School: graduated 2006
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Erin N. Wiater, 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 N. Wiater accept Medicare assignment?
Yes. Medicare's clinician data says Erin N. Wiater 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 N. Wiater see?
In 2024, CMS data shows 87 Original Medicare patients and 87 services for Erin N. Wiater. This counts Original Medicare only and measures volume, not quality.
What is Erin N. Wiater's NPI number?
1750476966. 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 N. Wiater, 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 patients87
Services billed to Medicare87
Different services or procedures34
Participating Medicare providerYes
Average age of these patients76

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 cholesterol75%
  • Arthritis60%
  • Chronic kidney disease44%
  • Diabetes39%
  • Ischemic heart disease31%

Hospitals where Erin N. Wiater works

Medicare's Facility Affiliation Data lists Erin N. Wiater 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 N. Wiater is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), District of Columbia →

Other nurse anesthetists in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All nurse anesthetists in Washington →

Other clinicians in MedStar Medical Group II LLC

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

Clinician information

CredentialCNA
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750476966
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