Quick answers
- Does Jeffrey D. Sparks accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey D. Sparks 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. Sparks see?
- In 2024, CMS data shows 290 Original Medicare patients and 6,392 services for Jeffrey D. Sparks. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey D. Sparks's NPI number?
- 1811958168. 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. Sparks, 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 | 290 |
|---|---|
| Services billed to Medicare | 6,392 |
| Different services or procedures | 95 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)745 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)640 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)637 services
- Blood test, comprehensive group of blood chemicals (80053)611 services
- Manual urinalysis test with examination using microscope, automated (81001)583 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 cholesterol75%
- Arthritis41%
- Ischemic heart disease30%
- Chronic kidney disease30%
- Diabetes29%
Hospitals where Jeffrey D. Sparks works
Medicare's Facility Affiliation Data lists Jeffrey D. Sparks 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.
- Alamance Regional Medical CenterBurlington, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340070
- Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030
- UNC HospitalsChapel Hill, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340061
Practice locations
Addresses where Jeffrey D. Sparks is enrolled with Medicare (CMS data updated October 2, 2026).
- 1234 Huffman Mill RdBurlington, NC 27215 (919) 684‑8111
- 40 Duke Medicine CirDurham, NC 27710 (919) 684‑8111
Group practices
Medicare enrollment lists Jeffrey D. Sparks as a member of this group (CMS data updated October 2, 2026).
- Duke Health Integrated Practice, Inc3,185 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Burlington
Clinicians with the same Medicare primary specialty in Burlington, 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 | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811958168 |
| 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