Quick answers
- Does Daniel A. Ostler accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel A. Ostler 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 Daniel A. Ostler see?
- In 2024, CMS data shows 854 Original Medicare patients and 2,105 services for Daniel A. Ostler. This counts Original Medicare only and measures volume, not quality.
- What is Daniel A. Ostler's NPI number?
- 1376784421. 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 Daniel A. Ostler, 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 | 854 |
|---|---|
| Services billed to Medicare | 2,105 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)846 services
- Special stained specimen slides to identify organisms including interpretation and report (88312)542 services
- Pathology examination of tissue using a microscope, moderately low complexity (88304)536 services
- Special stained specimen slides to examine tissue, initial procedure (88342)74 services
- Preparation of tissue for examination by removing any calcium present (88311)25 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 cholesterol75%
- High blood pressure72%
- Arthritis62%
- Ischemic heart disease35%
- Diabetes27%
- Depression26%
Hospitals where Daniel A. Ostler works
Medicare's Facility Affiliation Data lists Daniel A. Ostler 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.
- Naples Community HospitalNaples, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100018
- Physicians Regional Medical Center - Pine RidgeNaples, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100286
Practice locations
Addresses where Daniel A. Ostler is enrolled with Medicare (CMS data updated October 2, 2026).
- 15420 Collier BlvdNaples, FL 34120 (239) 624‑3570
- 350 7th St NNaples, FL 34102 (239) 624‑3570
- 730 Goodlette Rd, Suite 102Naples, FL 34102 (239) 430‑3366
Group practices
Medicare enrollment lists Daniel A. Ostler as a member of these groups (CMS data updated October 2, 2026).
- Family Foot and Leg Center PA16 clinicians in the group
- Naples Pathology Associates PA13 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Naples
Clinicians with the same Medicare primary specialty in Naples, FL — not a recommendation.
Other clinicians in Family Foot and Leg Center PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376784421 |
| 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