Neal B. Zimmerman, MD

Medicare activity in 2024

Official CMS public-use data for Neal B. Zimmerman, 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. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)924 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)457 services
3. Injection into tendon or ligament (20550)272 services
4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)267 services
5. X-ray of finger, minimum of 2 views (73140)121 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 cholesterol75%
• High blood pressure74%
• Arthritis66%
• Ischemic heart disease29%
• Diabetes26%
• Osteoporosis20%

Hospitals where Neal B. Zimmerman works

Medicare's Facility Affiliation Data lists Neal B. Zimmerman 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.

• MedStar Union Memorial HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210024

Practice locations

Addresses where Neal B. Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026).

• 1400 Front Ave, Suite 100Lutherville, MD 21093

Group practices

Medicare enrollment lists Neal B. Zimmerman as a member of this group (CMS data updated October 2, 2026).

• Greater Chesapeake Hand Specialists, P.A.10 clinicians in the group

Specialties

• Orthopedic Surgeryprimary
• Hand Surgeryalso

Find other Orthopedic Surgery doctors in Maryland →

Other orthopedic surgeons in Lutherville

Clinicians with the same Medicare primary specialty in Lutherville, MD — not a recommendation.

• Albert J. Aboulafia, MD
• Edward McFarland, MD
• Vishal Hegde, MD
• Dawn Laporte, MD
• Abdulaziz Ahmed, MD
• Bashir Zikria, MD
• Andrew Cosgarea, MD
• Peter C. Innis, MD

All orthopedic surgeons in Lutherville →

Other clinicians in Greater Chesapeake Hand Specialists, P.A.

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

• Peter C. Innis, 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