Quick answers
- Does Diane S. Mackenzie accept Medicare assignment?
- Yes. Medicare's clinician data says Diane S. Mackenzie 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 Diane S. Mackenzie see?
- In 2024, CMS data shows 572 Original Medicare patients and 1,243 services for Diane S. Mackenzie. This counts Original Medicare only and measures volume, not quality.
- What is Diane S. Mackenzie's NPI number?
- 1316931264. 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 Diane S. Mackenzie, 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 | 572 |
|---|---|
| Services billed to Medicare | 1,243 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 83 |
Most frequent services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)638 services
- Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)216 services
- Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (G0179)172 services
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)145 services
- Influenza vaccine, trivalent derived from cell cultures (90661)17 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%
- Arthritis68%
- Ischemic heart disease48%
- Depression48%
- Heart failure47%
Practice locations
Addresses where Diane S. Mackenzie is enrolled with Medicare (CMS data updated October 2, 2026).
- 3600 State Route 66Neptune, NJ 07753
- 3600 State Route 66, Fl 4Neptune, NJ 07753 (732) 571‑1000
Group practices
Medicare enrollment lists Diane S. Mackenzie as a member of this group (CMS data updated October 2, 2026).
- VPS Medical Services, PC48 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
Other internal medicine doctors in Neptune
Clinicians with the same Medicare primary specialty in Neptune, NJ — not a recommendation.
Other clinicians in VPS Medical Services, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rowan University School Of Osteopathic Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316931264 |
| 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
- 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