William A. Parker Jr., MD

Medicare activity in 2024

Official CMS public-use data for William A. Parker Jr., 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.

Most frequent services

1. Test for allergy using allergenic extract (95004)1,189 services
2. Professional service for preparation and provision of 1 or more antigens (95165)1,000 services
3. Professional service for multiple injections of allergen (95117)599 services
4. Professional service for single injection of allergen (95115)540 services
5. Test for allergy using allergenic extract injected into skin (95024)115 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 cholesterol73%
• High blood pressure60%
• Arthritis46%
• Asthma46%
• COPD23%
• Diabetes22%

Hospitals where William A. Parker Jr. works

Medicare's Facility Affiliation Data lists William A. Parker Jr. 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.

• Kettering Health DaytonDayton, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 360133

Practice locations

Addresses where William A. Parker Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 2359 Lakeview DrBeavercreek, OH 45431 (800) 999‑1249
• 8501 Troy Pike, Suite 110Huber Heights, OH 45424 (800) 999‑1249

Group practices

Medicare enrollment lists William A. Parker Jr. as a member of this group (CMS data updated October 2, 2026).

• PSF PLLC98 clinicians in the group

Specialties

• Allergy/Immunologyprimary
• Pediatric Medicinealso

Find other Allergy/Immunology doctors in Ohio →

Other allergist and immunologists in Ohio

Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.

• Charles W. Debrosse, MD
• Jeremy M. Sikora, MD
• Thomas H. Coleman, MD
• Margaret T. Redmond, MD
• Michael J. Waickman, MD
• Devi Jhaveri, DO
• Laura Maurer, MD
• Tiffany J. Owens, MD

All allergist and immunologists in Ohio →

Other clinicians in PSF PLLC

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

• Stephanie Garcia, NP
• Vivian C. Nanagas, MD
• Venusa Phomakay, MD
• James W. Sublett, MD
• Christine A. Malloy, MD
• Kelly D. Burks, MD

Clinician information

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