Quick answers
- Which hospitals does Marc Hamburger work at?
- Medicare's official clinician data lists Marc Hamburger at 1 hospital: Johns Hopkins Howard County Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc Hamburger see patients?
- Medicare's clinician data lists 5 practice locations, including Columbia, MD, Lutherville Timonium, MD and Laurel, MD. Call before your visit to confirm the address.
- What is Marc Hamburger's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Marc Hamburger accept Medicare assignment?
- Yes. Medicare's clinician data says Marc Hamburger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Marc Hamburger offer telehealth?
- Medicare's clinician data says Marc Hamburger offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marc Hamburger?
- (410) 760-8840, as listed in official Medicare / NPI Registry data.
- What is Marc Hamburger's NPI number?
- 1932107935. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc Hamburger works
Medicare's Facility Affiliation Data lists Marc Hamburger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johns Hopkins Howard County Medical CenterColumbia, MD · Acute Care Hospital · CCN 210048
Practice locations
Addresses where Marc Hamburger is enrolled with Medicare (CMS data updated 2026-10-02).
- 10285 Little Patuxent Pkwy, Suite 200Columbia, MD 21044 (410) 760‑8840
- 10710 Charter Dr, Suite 400Columbia, MD 21044 (410) 997‑7979
- 1300 York Rd, Suite 30dLutherville Timonium, MD 21093 (443) 275‑1337
- 14201 Laurel Park Dr, Suite 115Laurel, MD 20707 (410) 760‑8840
- 802 Landmark Dr, Suite 119Glen Burnie, MD 21061 (410) 760‑8840
Group practices
Medicare enrollment lists Marc Hamburger as a member of this group (CMS data updated 2026-10-02).
- Johns Hopkins Regional Physicians LLC84 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1932107935 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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