Quick answers
- Does Christian J. Gronbeck accept Medicare assignment?
- Yes. Medicare's clinician data says Christian J. Gronbeck 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.
- What is Christian J. Gronbeck's NPI number?
- 1093392797. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christian J. Gronbeck works
Medicare's Facility Affiliation Data lists Christian J. Gronbeck 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.
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
Practice locations
Addresses where Christian J. Gronbeck is enrolled with Medicare (CMS data updated October 2, 2026).
- 41 Mall RdBurlington, MA 01805 (978) 927‑0714
Group practices
Medicare enrollment lists Christian J. Gronbeck as a member of this group (CMS data updated October 2, 2026).
- Beth Israel Lahey Health Specialty Care, Inc.267 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Burlington
Clinicians with the same Medicare primary specialty in Burlington, MA — not a recommendation.
Other clinicians in Beth Israel Lahey Health Specialty Care, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Connecticut School Of Medicine |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093392797 |
| 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
- 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