Quick answers
- Does Steven I. Kornbleuth accept Medicare assignment?
- Yes. Medicare's clinician data says Steven I. Kornbleuth 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 Steven I. Kornbleuth see?
- In 2024, CMS data shows 825 Original Medicare patients and 2,321 services for Steven I. Kornbleuth. This counts Original Medicare only and measures volume, not quality.
- What is Steven I. Kornbleuth's NPI number?
- 1386634806. 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 Steven I. Kornbleuth, 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 | 825 |
|---|---|
| Services billed to Medicare | 2,321 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,051 services
- Biopsy of related skin growth, first growth (11102)382 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)241 services
- Destruction of precancer skin growth, 2-14 growths (17003)144 services
- Biopsy of related skin growth, each additional growth (11103)117 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 pressure72%
- Arthritis43%
- Chronic kidney disease27%
- Ischemic heart disease25%
- Anxiety25%
Hospitals where Steven I. Kornbleuth works
Medicare's Facility Affiliation Data lists Steven I. Kornbleuth 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.
- Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220101
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
Practice locations
Addresses where Steven I. Kornbleuth is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 City Hall PlzMelrose, MA 02176 (781) 662‑8881
- 154 E Central StNatick, MA 01760 (781) 431‑0060
Group practices
Medicare enrollment lists Steven I. Kornbleuth as a member of these groups (CMS data updated October 2, 2026).
- Dermcare Physicians and Surgeons LLC10 clinicians in the group
- Advanced Dermatology and Aesthetic Center LLC4 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Dermcare Physicians and Surgeons LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386634806 |
| 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