Quick answers
- Does Allan J. Belzberg accept Medicare assignment?
- Medicare's clinician data says Allan J. Belzberg may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Allan J. Belzberg see?
- In 2024, CMS data shows 165 Original Medicare patients and 346 services for Allan J. Belzberg. This counts Original Medicare only and measures volume, not quality.
- What is Allan J. Belzberg's NPI number?
- 1124083340. 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 Allan J. Belzberg, 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 patients | 165 |
|---|---|
| Services billed to Medicare | 346 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)80 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)60 services
- Deep biopsy of muscle (20205)23 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 services
- Placement of stabilizing device to back, 3-6 spine bone segments (22842)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 cholesterol75%
- Arthritis72%
- High blood pressure64%
- Diabetes29%
- Anxiety29%
- Depression27%
Hospitals where Allan J. Belzberg works
Medicare's Facility Affiliation Data lists Allan J. Belzberg 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.
- Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210029
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009
- UNC HospitalsChapel Hill, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340061
Practice locations
Addresses where Allan J. Belzberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 600 N Wolf StBaltimore, MD 21287 (410) 955‑5000
Group practices
Medicare enrollment lists Allan J. Belzberg as a member of this group (CMS data updated October 2, 2026).
- Johns Hopkins University2,909 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in Johns Hopkins University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124083340 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians