Quick answers
- Where does Jonathan S. Fish see patients?
- Medicare's clinician data lists 1 practice location in Marriottsville, MD. Call before your visit to confirm the address.
- What is Jonathan S. Fish's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jonathan S. Fish accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan S. Fish 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 S. Fish offer telehealth?
- Medicare's clinician data says Jonathan S. Fish offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathan S. Fish?
- (410) 910-2300, as listed in official Medicare / NPI Registry data.
- What is Jonathan S. Fish's NPI number?
- 1497748883. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Jonathan S. Fish is enrolled with Medicare (CMS data updated 2026-10-02).
- 2470 Longstone Ln, Suite IMarriottsville, MD 21104 (410) 910‑2300
Group practices
Medicare enrollment lists Jonathan S. Fish as a member of this group (CMS data updated 2026-10-02).
- Charter Internal Medicine, LLC2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1497748883 |
| 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
- 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