Wissam Asfahani, MD

Medicare activity in 2024

Official CMS public-use data for Wissam Asfahani, 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. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)90 services
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)48 services
3. Critical care, first 30-74 minutes (99291)39 services
4. Insertion of cage or mesh device to spine bone and disc space during spine fusion (22853)36 services
5. Fusion of additional segment of spine (22614)28 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%
• Arthritis75%
• Osteoporosis38%
• Ischemic heart disease33%
• Anxiety32%

Hospitals where Wissam Asfahani works

Medicare's Facility Affiliation Data lists Wissam Asfahani 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.

• AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060125
• AdventHealth ParkerParker, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060114

Practice locations

Addresses where Wissam Asfahani is enrolled with Medicare (CMS data updated October 2, 2026).

• 9399 Crown Crest Blvd, Suite 240Parker, CO 80138 (720) 638‑7500

Group practices

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

• Portercare Adventist Health System774 clinicians in the group

Specialties

• Neurosurgeryprimary

Find other Neurosurgery doctors in Colorado →

Other neurosurgeons in Colorado

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

• John A. Prall, MD
• John P. Elliott, MD
• Daniel M. Cavalcante, MD
• Kwong-Hon Chow, MD
• Kevin L. Boyer, MD
• William J. Thoman, MD
• Ewell L. Nelson, MD
• Mark E. Magner, MD

All neurosurgeons in Colorado →

Other clinicians in Portercare Adventist Health System

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

• Tyler Little, PA
• Carsten M. Sorensen, MD
• Laurie E. Johnson, NP
• Scott W. Davis, MD
• Rebecca P. Rabinowitz, NP
• Stephen R. Sears, 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