Quick answers
- Does Jonathan D. Zahler accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan D. Zahler 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 Jonathan D. Zahler see?
- In 2024, CMS data shows 904 Original Medicare patients and 4,075 services for Jonathan D. Zahler. This counts Original Medicare only and measures volume, not quality.
- What is Jonathan D. Zahler's NPI number?
- 1053641100. 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 Jonathan D. Zahler, 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 | 904 |
|---|---|
| Services billed to Medicare | 4,075 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient complete exam of visual system (92014)791 services
- Imaging of retina (92134)644 services
- Injection, aflibercept, 1 mg (J0178)372 services
- Established patient problem focused exam of visual system (92012)311 services
- Removal of cataract with insertion of prosthetic lens (66984)308 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).
- High blood pressure74%
- High cholesterol73%
- Arthritis52%
- Diabetes29%
- Ischemic heart disease25%
- Chronic kidney disease25%
Hospitals where Jonathan D. Zahler works
Medicare's Facility Affiliation Data lists Jonathan D. Zahler 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.
- Fisher-Titus HospitalNorwalk, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360065
Practice locations
Addresses where Jonathan D. Zahler is enrolled with Medicare (CMS data updated October 2, 2026).
- 278 Benedict Ave, Suite 900Norwalk, OH 44857 (419) 663‑9010
Group practices
Medicare enrollment lists Jonathan D. Zahler as a member of this group (CMS data updated October 2, 2026).
- Northern Ohio Medical Specialists, LLC251 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Other clinicians in Northern Ohio Medical Specialists, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053641100 |
| 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