Quick answers
- Does Phillip S. Kallen accept Medicare assignment?
- Yes. Medicare's clinician data says Phillip S. Kallen 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 Phillip S. Kallen see?
- In 2024, CMS data shows 176 Original Medicare patients and 39,727 services for Phillip S. Kallen. This counts Original Medicare only and measures volume, not quality.
- What is Phillip S. Kallen's NPI number?
- 1871694505. 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 Phillip S. Kallen, 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 | 176 |
|---|---|
| Services billed to Medicare | 39,727 |
| Different services or procedures | 84 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Injection, romosozumab-aqqg, 1 mg (J3111)12,180 services
- Injection, denosumab, 1 mg (J0897)7,680 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)604 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)376 services
- Insertion of needle into vein for collection of blood sample (36415)323 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%
- Osteoporosis69%
- Anxiety46%
- Ischemic heart disease44%
Practice locations
Addresses where Phillip S. Kallen is enrolled with Medicare (CMS data updated October 2, 2026).
- 5130 Linton Blvd, F1Delray Beach, FL 33484 (561) 495‑0600
Group practices
Medicare enrollment lists Phillip S. Kallen as a member of this group (CMS data updated October 2, 2026).
- Arthritis Associates of S Florida6 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Delray Beach
Clinicians with the same Medicare primary specialty in Delray Beach, FL — not a recommendation.
Other clinicians in Arthritis Associates of S Florida
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Chicago College Of Medicine And Surgery |
| Graduation year | 1976 (50 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871694505 |
| 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
- 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