Quick answers
- Does Ernesto Zilberberg accept Medicare assignment?
- Yes. Medicare's clinician data says Ernesto Zilberberg 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 Ernesto Zilberberg see?
- In 2024, CMS data shows 550 Original Medicare patients and 3,702 services for Ernesto Zilberberg. This counts Original Medicare only and measures volume, not quality.
- What is Ernesto Zilberberg's NPI number?
- 1053346569. 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 Ernesto Zilberberg, 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 | 550 |
|---|---|
| Services billed to Medicare | 3,702 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 58 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,471 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,228 services
- Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management (90868)318 services
- Injection of drug or substance under skin or into muscle (96372)74 services
- Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (G0179)61 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).
- Depression75%
- Anxiety72%
- High blood pressure56%
- High cholesterol54%
- Diabetes38%
- Arthritis36%
Hospitals where Ernesto Zilberberg works
Medicare's Facility Affiliation Data lists Ernesto Zilberberg 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.
- Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220010
Practice locations
Addresses where Ernesto Zilberberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 203 Turnpike St, Suite 115North Andover, MA 01845 (978) 725‑4800
Specialties
- Psychiatryprimary
Other psychiatrists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1053346569 |
| 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