Quick answers
- Does Jeffrey J. Gilsdorf accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey J. Gilsdorf 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 Jeffrey J. Gilsdorf see?
- In 2024, CMS data shows 72 Original Medicare patients and 1,690 services for Jeffrey J. Gilsdorf. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey J. Gilsdorf's NPI number?
- 1477524486. 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 Jeffrey J. Gilsdorf, 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 | 72 |
|---|---|
| Services billed to Medicare | 1,690 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)1,248 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)41 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)30 services
- Aspiration and/or injection of fluid from large joint (20610)29 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)15 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).
- Arthritis74%
- High cholesterol69%
- High blood pressure64%
- Diabetes25%
- Anxiety24%
- Depression22%
Hospitals where Jeffrey J. Gilsdorf works
Medicare's Facility Affiliation Data lists Jeffrey J. Gilsdorf 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.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005
Practice locations
Addresses where Jeffrey J. Gilsdorf is enrolled with Medicare (CMS data updated October 2, 2026).
- 1194 Dutchmans Creek DrBrunswick, MD 21716 (240) 215‑6310
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
- 86 Thomas Johnson CtFrederick, MD 21702 (301) 694‑8311
Group practices
Medicare enrollment lists Jeffrey J. Gilsdorf as a member of these groups (CMS data updated October 2, 2026).
- Centers for Advanced Orthopaedics LLC604 clinicians in the group
- Amber Hill Physical Therapy Inc334 clinicians in the group
- Frederick Health Hospital Inc127 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Brunswick
Clinicians with the same Medicare primary specialty in Brunswick, MD — not a recommendation.
Other clinicians in Centers for Advanced Orthopaedics LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477524486 |
| 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