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Hematology/Oncology

William Houck Iii, MD

Works at hospitals in Romney, WV · Woodstock, VA · Berkeley Springs, WV … · West Virginia, Virginia

Summary

Dr. William Houck Iii, MD is a hematologist-oncologist at 400 Campus Blvd, Suite 100, Winchester, VA 22601. Phone: (540) 662-1108. May accept Medicare assignment. In 2024, William Houck Iii had 885 Original Medicare patients and 195,905 services. NPI 1568406288. 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 William Houck Iii, 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 William Houck Iii accept Medicare assignment?
Medicare's clinician data says William Houck Iii may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does William Houck Iii see?
In 2024, CMS data shows 885 Original Medicare patients and 195,905 services for William Houck Iii. This counts Original Medicare only and measures volume, not quality.
What is William Houck Iii's NPI number?
1568406288. 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 William Houck Iii, 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 patients885
Services billed to Medicare195,905
Different services or procedures173
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, aprepitant, 1 mg (J0185)20,020 services
  2. Injection, oxaliplatin, 0.5 mg (J9263)13,900 services
  3. Injection, pembrolizumab, 1 mg (J9271)13,650 services
  4. Injection, daratumumab, 10 mg and hyaluronidase-fihj (J9144)8,640 services
  5. Injection, cyclophosphamide (ingenus), 5 mg (J9073)7,778 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 cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)55%
  • Arthritis44%
  • Diabetes35%
  • Chronic kidney disease35%

Hospitals where William Houck Iii works

Medicare's Facility Affiliation Data lists William Houck Iii 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.

  • Hampshire Memorial HospitalRomney, WV · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 511311
  • Shenandoah Memorial HospitalWoodstock, VA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 491305
  • Valley Health War Memorial HospitalBerkeley Springs, WV · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 511309
  • Warren Memorial HospitalFront Royal, VA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 490033
  • Winchester Medical CenterWinchester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490005

Practice locations

Addresses where William Houck Iii is enrolled with Medicare (CMS data updated October 2, 2026).

  • 400 Campus Blvd, Suite 100Winchester, VA 22601 (540) 662‑1108
  • 5755 Cedar LnColumbia, MD 21044
  • 5759 Cedar LnColumbia, MD 21044

Group practices

Medicare enrollment lists William Houck Iii as a member of these groups (CMS data updated October 2, 2026).

  • Johns Hopkins University2,909 clinicians in the group
  • Shenandoah Oncology PC23 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Virginia →

Other hematologist-oncologists in Winchester

Clinicians with the same Medicare primary specialty in Winchester, VA — not a recommendation.

All hematologist-oncologists in Winchester →

Other clinicians in Johns Hopkins University

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1568406288
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