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Emergency Medicine

Valerie Lou, MD

Works at hospitals in Medford, WI · Antigo, WI · Dansville, NY · Wisconsin, New York

Summary

Dr. Valerie Lou, MD is an emergency medicine doctor at 601 Elmwood Ave, Rochester, NY 14642. Phone: (585) 275-9555. Accepts Medicare assignment. In 2024, Valerie Lou had 179 Original Medicare patients and 195 services. NPI 1023376001. 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 Valerie Lou, 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 Valerie Lou accept Medicare assignment?
Yes. Medicare's clinician data says Valerie Lou 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 Valerie Lou see?
In 2024, CMS data shows 179 Original Medicare patients and 195 services for Valerie Lou. This counts Original Medicare only and measures volume, not quality.
What is Valerie Lou's NPI number?
1023376001. 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 Valerie Lou, 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 patients179
Services billed to Medicare195
Different services or procedures17
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)112 services
  2. Emergency department visit with moderate level of medical decision making (99284)53 services
  3. Emergency department visit with low level of medical decision making (99283)11 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 pressure73%
  • High cholesterol69%
  • Arthritis51%
  • Anxiety50%
  • Depression48%
  • Diabetes40%

Hospitals where Valerie Lou works

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

Group practices

Medicare enrollment lists Valerie Lou as a member of this group (CMS data updated October 2, 2026).

  • Emergency Associates - University of Rochester66 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in Rochester

Clinicians with the same Medicare primary specialty in Rochester, NY — not a recommendation.

All emergency medicine doctors in Rochester →

Other clinicians in Emergency Associates - University of Rochester

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023376001
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