Deanne Leigh Williams, FNP
Nurse Practitioner · Anderson, SC
Deanne Leigh Williams, FNP is a nurse practitioner with a practice address in Anderson, South Carolina, and NPI 1356888671, issued on Jan 24, 2017. Check the license (South Carolina 20382, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Deanne Leigh Williams
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 20382 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2000 E Greenville St Ste 1100, Anderson, SC 29621
- Phone
- (864) 512-5667
- Enumerated
- Jan 24, 2017
- Record last updated
- Nov 23, 2022
- Fax
- (864) 512-6746
- Medicare enrollment
- Enrolled (PECOS I20170508001025); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,263 in South Carolina → Look up another NPI →
Also registered at 2000 E Greenville St Ste 1100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Efthemia Stamey, NPNurse Practitioner1487494118
Verify Deanne Leigh Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 20382Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average nurse practitioner in 2024
3,517 Medicare Part D claims for 449 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium168 claims
- Albuterol Sulfate Hfa120 claims
- Ozempic118 claims
- Trelegy Ellipta110 claims
- Amlodipine Besylate103 claims
- Rosuvastatin Calcium87 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,010.36
57 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Advanced Institute For Metabolic Disorders, Endocrinology And DiabetesAnderson, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deanne Leigh Williams among 1,263 nurse practitioner records in South Carolina
Deanne Leigh Williams, FNP is one of 1,263 nurse practitioner records with a practice address in South Carolina. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 42% of them.
- NPI issued2017 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2018 among the 791 with a school on file
- Record last updated2022 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 nurse practitioner records list a practice address in Anderson
They are 43 of the 2,108 NPPES records with a practice address in Anderson, and 1,263 nurse practitioner records in South Carolina.
All 1,263 in South Carolina → Every provider in Anderson → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Ashley Black, APRN-BCAnderson, SC 296211639477227
- Mae Burton, F.N.P.Anderson, SC 296211407927155
- Sherri Cheek, APRN-BCAnderson, SC 296211922027234
- Amanda Couch, NPAnderson, SC 296211700042520
- Kristen Hall, APRN NPAnderson, SC 296211346449550
- Diana Harper, MSN, APRN, CCRNAnderson, SC 296211639161219
- Mary Lollis, APRNAnderson, SC 296211922360593
- Catherine Mattingly, NURSE PRACTITIONERAnderson, SC 296211902873912
Common questions
What is Deanne Leigh Williams, FNP's NPI number?
Deanne Leigh Williams, FNP's National Provider Identifier (NPI) is 1356888671, issued on Jan 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Deanne Leigh Williams, FNP located?
The NPPES record lists a practice address at 2000 E Greenville St Ste 1100, Anderson, SC, 29621. Phone: (864) 512-5667. Providers update this record themselves, so call before visiting.
How can I verify Deanne Leigh Williams, FNP's license?
NPPES lists South Carolina license number 20382, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Deanne Leigh Williams, FNP prescribe under Medicare Part D?
In 2024, Deanne Leigh Williams, FNP had 3,517 Medicare Part D claims for 449 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.