Quick answers
- Does Karl R. Bernat Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Karl R. Bernat Jr. 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 Karl R. Bernat Jr. see?
- In 2024, CMS data shows 466 Original Medicare patients and 3,332 services for Karl R. Bernat Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Karl R. Bernat Jr.'s NPI number?
- 1851317622. 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 Karl R. Bernat Jr., 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 | 466 |
|---|---|
| Services billed to Medicare | 3,332 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)832 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)785 services
- Admn sarscov2 vacc 1 dose (90480)212 services
- Sarscov2 vac 50 mcg/0.5ml im (91322)212 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)184 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 pressure75%
- High cholesterol68%
- Arthritis47%
- Chronic kidney disease28%
- Diabetes25%
- Depression23%
Hospitals where Karl R. Bernat Jr. works
Medicare's Facility Affiliation Data lists Karl R. Bernat Jr. 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 Regional HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340155
- Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030
Practice locations
Addresses where Karl R. Bernat Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 2701 Pickett RdDurham, NC 27705 (919) 419‑9600
- 3000 Rogers Rd, Suite 200Wake Forest, NC 27587 (919) 470‑6505
Group practices
Medicare enrollment lists Karl R. Bernat Jr. as a member of these groups (CMS data updated October 2, 2026).
- Legacy Healthcare Services Inc3,223 clinicians in the group
- Duke University Affiliated Physicians, Inc.458 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Durham
Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.
Other clinicians in Legacy Healthcare Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1851317622 |
| 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