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Anesthesiology

April L. Herlache, MD

Works at hospitals in Hillsboro, OR · Oregon

Summary

Dr. April L. Herlache, MD is an anesthesiologist at 335 SE 8th Ave, Hillsboro, OR 97123. Phone: (503) 681-1270. Accepts Medicare assignment. In 2024, April L. Herlache had 135 Original Medicare patients and 156 services. NPI 1306882964. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 335 SE 8th Ave, Hillsboro, OR 97123 · Directions
  • Phone: (503) 681‑1270
  • Medicare: Accepts Medicare assignment
  • Hospital: Hillsboro Medical Center
  • Group practice: Tuality Anesthesia Services LLC
  • Medical school: University Of Wisconsin School Of Medicine · graduated 2010 (16 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about April L. Herlache, 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 April L. Herlache accept Medicare assignment?
Yes. Medicare's clinician data says April L. Herlache 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 April L. Herlache see?
In 2024, CMS data shows 135 Original Medicare patients and 156 services for April L. Herlache. This counts Original Medicare only and measures volume, not quality.
What is April L. Herlache's NPI number?
1306882964. 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 April L. Herlache, 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 patients135
Services billed to Medicare156
Different services or procedures39
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Anesthesia for lens surgery (00142)42 services
  2. Anesthesia for exam of colon using an endoscope (00812)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 cholesterol70%
  • High blood pressure66%
  • Arthritis43%
  • Diabetes31%
  • Depression27%
  • Anxiety22%

Hospitals where April L. Herlache works

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

Group practices

Medicare enrollment lists April L. Herlache as a member of this group (CMS data updated October 2, 2026).

  • Tuality Anesthesia Services LLC32 clinicians in the group

Specialties

Find other Anesthesiology doctors in Oregon →

Other anesthesiologists in Hillsboro

Clinicians with the same Medicare primary specialty in Hillsboro, OR — not a recommendation.

All anesthesiologists in Hillsboro →

Other clinicians in Tuality Anesthesia Services LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306882964
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