Quick answers
- Does Jeffrey D. Kozlowski accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey D. Kozlowski 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 D. Kozlowski see?
- In 2024, CMS data shows 1,487 Original Medicare patients and 1,758 services for Jeffrey D. Kozlowski. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey D. Kozlowski's NPI number?
- 1598740631. 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 D. Kozlowski, 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 | 1,487 |
|---|---|
| Services billed to Medicare | 1,758 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)1,063 services
- New patient complete exam of visual system (92004)261 services
- Established patient problem focused exam of visual system (92012)218 services
- Imaging of retina (92134)95 services
- Imaging of optic nerve (92133)61 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 cholesterol74%
- High blood pressure72%
- Arthritis48%
- Diabetes31%
- Ischemic heart disease25%
- Chronic kidney disease25%
Hospitals where Jeffrey D. Kozlowski works
Medicare's Facility Affiliation Data lists Jeffrey D. Kozlowski 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.
- Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030
Practice locations
Addresses where Jeffrey D. Kozlowski is enrolled with Medicare (CMS data updated October 2, 2026).
- 3480 Wake Forest RdRaleigh, NC 27609
- 40 Duke Medicine CirDurham, NC 27710 (919) 684‑8111
- 401 Irving PkwyHolly Springs, NC 27540 (919) 684‑8111
- 5601 Arringdon Park DrMorrisville, NC 27560 (919) 684‑8111
Group practices
Medicare enrollment lists Jeffrey D. Kozlowski as a member of this group (CMS data updated October 2, 2026).
- Duke Health Integrated Practice, Inc3,185 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Raleigh
Clinicians with the same Medicare primary specialty in Raleigh, NC — not a recommendation.
Other clinicians in Duke Health Integrated Practice, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | New England College Of Optometry |
| Graduation year | 1998 (28 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598740631 |
| 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