John Difini, MD
NPI 1144216581 · Neurology Physician · Camp Lejeune, NC
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Difini, MD is a Neurology Physician provider in Camp Lejeune, NC (NPI 1144216581).
Provider details
- NPI number
- 1144216581
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35320 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
332 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $91 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 117 | $134 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 79 | $169 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $125 |
Typical Medicare-allowed amounts for these services range $91–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Topiramate | 159 | 26 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 142 | 27 |
| Donepezil Hcl | 99 | 25 |
| Gabapentin | 97 | 22 |
| Primidone | 83 | 15 |
| Memantine Hcl | 77 | 17 |
| Propranolol Hcl | 65 | 14 |
| Levetiracetam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-21
- Last updated
- 2013-06-11
Frequently asked questions
- What is John Difini's NPI number?
- John Difini's National Provider Identifier (NPI) is 1144216581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Difini's specialty?
- John Difini is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is John Difini located?
- John Difini's practice location on file with NPPES is 100 Brewster Blvd, Camp Lejeune, NC 28547-2538.
- What is John Difini's phone number?
- The practice phone number listed in the NPPES registry for John Difini is (910) 450-4159.
- Does John Difini accept Medicare?
- John Difini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Difini's NPI active?
- Yes — John Difini's NPI (1144216581) is active in the NPPES registry as of the last update on 2013-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.