Quick answers
- Does Clifford T. Katz accept Medicare assignment?
- Yes. Medicare's clinician data says Clifford T. Katz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Clifford T. Katz see?
- In 2024, CMS data shows 1,879 Original Medicare patients and 66,774 services for Clifford T. Katz. This counts Original Medicare only and measures volume, not quality.
- What is Clifford T. Katz's NPI number?
- 1689602880. 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 Clifford T. Katz, 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 | 1,879 |
|---|---|
| Services billed to Medicare | 66,774 |
| Different services or procedures | 85 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)61,910 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,635 services
- Mri scan of lower spinal canal without contrast (72148)381 services
- Mri scan of brain without contrast (70551)275 services
- Mri scan of leg joint without contrast (73721)261 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%
- Arthritis71%
- Diabetes31%
- Anxiety30%
- Ischemic heart disease28%
Hospitals where Clifford T. Katz works
Medicare's Facility Affiliation Data lists Clifford T. Katz 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.
- Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210044
- Umd Upper Chesapeake Medical CenterBel Air, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210049
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210043
- University of MD St Joseph Medical CenterTowson, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210063
Practice locations
Addresses where Clifford T. Katz is enrolled with Medicare (CMS data updated October 2, 2026).
- 4801 Dorsey Hall Dr, Suite 101Ellicott City, MD 21042 (443) 436‑1600
Group practices
Medicare enrollment lists Clifford T. Katz as a member of this group (CMS data updated October 2, 2026).
- Advanced Radiology P A188 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Ellicott City
Clinicians with the same Medicare primary specialty in Ellicott City, MD — not a recommendation.
Other clinicians in Advanced Radiology P A
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689602880 |
| 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