Eric Willoughby, FNP-BC
NPI 1598802738 · Family Nurse Practitioner · Cheraw, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Willoughby, FNP-BC is a Family Nurse Practitioner provider in Cheraw, SC (NPI 1598802738).
Provider details
- NPI number
- 1598802738
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 2004000163 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
19 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
458 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 120 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $102 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 80 | $57 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $133 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 30 | $11 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 88 | 40 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 77 | 51 |
| Tizanidine Hcl | 52 | 35 |
| Naproxen | 45 | 34 |
| Tramadol Hcl | 45 | 24 |
| Prednisone | 28 | 22 |
| Amitriptyline Hcl | 18 | — |
| Methylprednisolone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2025-07-15
- Certified
- 2025-07-15
Frequently asked questions
- What is Eric Willoughby's NPI number?
- Eric Willoughby's National Provider Identifier (NPI) is 1598802738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Willoughby's specialty?
- Eric Willoughby is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eric Willoughby located?
- Eric Willoughby's practice location on file with NPPES is 415 Market St, Cheraw, SC 29520-2636.
- What is Eric Willoughby's phone number?
- The practice phone number listed in the NPPES registry for Eric Willoughby is (843) 213-6170.
- Does Eric Willoughby accept Medicare?
- Eric Willoughby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Willoughby's NPI active?
- Yes — Eric Willoughby's NPI (1598802738) is active in the NPPES registry as of the last update on 2025-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.