Quick answers
- Does Zachary Schwager accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Schwager 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 Zachary Schwager see?
- In 2024, CMS data shows 1,082 Original Medicare patients and 3,790 services for Zachary Schwager. This counts Original Medicare only and measures volume, not quality.
- What is Zachary Schwager's NPI number?
- 1174932446. 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 Zachary Schwager, 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 | 1,082 |
|---|---|
| Services billed to Medicare | 3,790 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)953 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)693 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)578 services
- Destruction of precancer skin growth, 1 growth (17000)407 services
- Biopsy of related skin growth, first growth (11102)331 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 cholesterol73%
- High blood pressure70%
- Arthritis44%
- Ischemic heart disease25%
- Chronic kidney disease25%
- Diabetes23%
Hospitals where Zachary Schwager works
Medicare's Facility Affiliation Data lists Zachary Schwager 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.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
- Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105
Practice locations
Addresses where Zachary Schwager is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Essex Ctr DrPeabody, MA 01960 (978) 538‑4000
- 29 Mall RdBurlington, MA 01805
- 41 Mall RdBurlington, MA 01805
Group practices
Medicare enrollment lists Zachary Schwager as a member of this group (CMS data updated October 2, 2026).
- Lahey Clinic Inc1,381 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Peabody
Clinicians with the same Medicare primary specialty in Peabody, MA — not a recommendation.
Other clinicians in Lahey Clinic Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Warren Alpert Medical School Of Brown University |
| Graduation year | 2014 (12 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) | 1174932446 |
| 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