Quick answers
- Which hospitals does Jonathan D. Lowenthal work at?
- Medicare's official clinician data lists Jonathan D. Lowenthal at 1 hospital: Calverthealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan D. Lowenthal see patients?
- Medicare's clinician data lists 4 practice locations, including Dunkirk, MD, Solomons, MD and Huntingtown, MD. Call before your visit to confirm the address.
- What is Jonathan D. Lowenthal's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jonathan D. Lowenthal accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan D. Lowenthal 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 Jonathan D. Lowenthal offer telehealth?
- Medicare's clinician data says Jonathan D. Lowenthal offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathan D. Lowenthal?
- (410) 535-1451, as listed in official Medicare / NPI Registry data.
- What is Jonathan D. Lowenthal's NPI number?
- 1861553711. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan D. Lowenthal works
Medicare's Facility Affiliation Data lists Jonathan D. Lowenthal at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Calverthealth Medical CenterPrince Frederick, MD · Acute Care Hospital · CCN 210039
Practice locations
Addresses where Jonathan D. Lowenthal is enrolled with Medicare (CMS data updated 2026-10-02).
- 10845 Town Ctr Blvd, Suite 204Dunkirk, MD 20754
- 14090 Hg Trueman Rd, Suite 2500Solomons, MD 20688
- 3995 Old Town Rd, Suite 202Huntingtown, MD 20639 (410) 535‑1451
- 985 Prince Frederick Blvd, Suite 201Prince Frederick, MD 20678 (410) 535‑2005
Group practices
Medicare enrollment lists Jonathan D. Lowenthal as a member of this group (CMS data updated 2026-10-02).
- Calvert Internal Medicine Group, PA39 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Dunkirk
Clinicians with the same Medicare primary specialty in Dunkirk, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861553711 |
| 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