Crystal Williams
NPI 1801480645 · Family Nurse Practitioner · Swansea, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Williams is a Family Nurse Practitioner provider in Swansea, SC (NPI 1801480645).
Provider details
- NPI number
- 1801480645
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
328 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 126 | $6 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 112 | $10 |
| Hemoglobin A1c Level83036 | 67 | $9 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 23 | $3 |
Typical Medicare-allowed amounts for these services range $3–$10 (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 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 463 | 127 |
| Atorvastatin Calcium | 451 | 118 |
| Levothyroxine Sodium | 443 | 89 |
| Rosuvastatin Calcium | 252 | 73 |
| Lisinopril | 247 | 67 |
| Alprazolam | 231 | 35 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$286 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1601 Greene StColumbia, SC 29208-0084Phone: (803) 308-1979
Registry dates
- Enumerated
- 2021-02-23
- Last updated
- 2023-04-19
- Certified
- 2023-04-19
Frequently asked questions
- What is Crystal Williams's NPI number?
- Crystal Williams's National Provider Identifier (NPI) is 1801480645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Williams's specialty?
- Crystal Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Williams located?
- Crystal Williams's practice location on file with NPPES is 935 W 2nd St, Swansea, SC 29160-8665.
- What is Crystal Williams's phone number?
- The practice phone number listed in the NPPES registry for Crystal Williams is (803) 568-2000.
- Does Crystal Williams accept Medicare?
- Crystal Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Williams's NPI active?
- Yes — Crystal Williams's NPI (1801480645) is active in the NPPES registry as of the last update on 2023-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.