Nadine Lavassar, FNP
NPI 1861146847 · Family Nurse Practitioner · Charleston, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nadine Lavassar, FNP is a Family Nurse Practitioner provider in Charleston, SC (NPI 1861146847).
Provider details
- NPI number
- 1861146847
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 25626 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
174 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 | 69 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $78 |
| 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'SG2211 | 31 | $13 |
| 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'SG2211 | 17 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methocarbamol | 87 | 41 |
| Methylprednisolone | 56 | 49 |
| Celecoxib | 53 | 17 |
| Oxycodone Hcl | 46 | 26 |
| Tizanidine Hcl | 37 | 11 |
| Meloxicam | 27 | 11 |
| Pregabalin | 21 | — |
| Gabapentin | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-02-08
- Last updated
- 2022-04-28
- Certified
- 2022-04-28
Frequently asked questions
- What is Nadine Lavassar's NPI number?
- Nadine Lavassar's National Provider Identifier (NPI) is 1861146847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadine Lavassar's specialty?
- Nadine Lavassar is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nadine Lavassar located?
- Nadine Lavassar's practice location on file with NPPES is Musc Hollings Cancer Center 96 Jonathan Lucas St, Charleston, SC 29425-0001.
- What is Nadine Lavassar's phone number?
- The practice phone number listed in the NPPES registry for Nadine Lavassar is (843) 792-1414.
- Does Nadine Lavassar accept Medicare?
- Nadine Lavassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nadine Lavassar's NPI active?
- Yes — Nadine Lavassar's NPI (1861146847) is active in the NPPES registry as of the last update on 2022-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.