Viola Oliver, FNP
NPI 1871078378 · Family Nurse Practitioner · Effingham, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Viola Oliver, FNP is a Family Nurse Practitioner provider in Effingham, IL (NPI 1871078378).
Provider details
- NPI number
- 1871078378
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209.018030 (IL)
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
7 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
3,184 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 3,079 | $61 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 105 | $125 |
Typical Medicare-allowed amounts for these services range $61–$125 (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 · 32 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Pantoprazole Sodium | 65 |
| Lisinopril | 53 |
| Furosemide | 42 |
| Buspirone Hcl | 34 |
| Mirabegronbrand: Myrbetriq | 33 |
| Levothyroxine Sodium | 33 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 27 |
| Olanzapine | 27 |
| Triamcinolone Acetonide | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-10-01
- Last updated
- 2018-10-01
Frequently asked questions
- What is Viola Oliver's NPI number?
- Viola Oliver's National Provider Identifier (NPI) is 1871078378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viola Oliver's specialty?
- Viola Oliver is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Viola Oliver located?
- Viola Oliver's practice location on file with NPPES is 1115 N Wenthe Dr, Effingham, IL 62401-1612.
- What is Viola Oliver's phone number?
- The practice phone number listed in the NPPES registry for Viola Oliver is (618) 665-3259.
- Does Viola Oliver accept Medicare?
- Viola Oliver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Viola Oliver's NPI active?
- Yes — Viola Oliver's NPI (1871078378) is active in the NPPES registry as of the last update on 2018-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.