Clare R. Williams, APN-C
Family Nurse Practitioner · West Chester, PA
Clare R. Williams, APN-C is a family nurse practitioner with a practice address in West Chester, Pennsylvania, and NPI 1851481543, issued on Oct 13, 2006. Check the license (Pennsylvania SP012730, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clare R. Williams
- Credential
- APN-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- SP012730 PA
NJ000947 NJ
NO109759 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 800 W Miner St, West Chester, PA 19382
- Phone
- (610) 696-3120
- Enumerated
- Oct 13, 2006
- Record last updated
- Jun 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (610) 961-5124
- Medicare enrollment
- Enrolled (PECOS I20130502000106); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,209 in Pennsylvania → Look up another NPI →
Also registered at 800 W Miner St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kyle Brooks, P.T.Physical Therapist1851417448
- Gianna CiciniStudent in an Organized Health Care Education/Training Program1982341194
- Anthony CosenzoPhysical Therapy Assistant1437442001
- Roberta Coyle, PTAPhysical Therapy Assistant1518082361
- Lauren Crocker, OTR/LOccupational Therapist1891114757
Verify Clare R. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP012730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,727 Medicare Part D claims for 236 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 147 claims were for opioids.
Most prescribed
- Atorvastatin Calcium262 claims
- Eliquis232 claims
- Gabapentin203 claims
- Amlodipine Besylate177 claims
- Furosemide166 claims
- Trazodone Hcl118 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: $519.11
6 payments; by number, the most common kind was food and beverage; the largest payer was Sage Therapeutics, Inc. The 99,489 providers of this specialty with any payment received $650.95 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
- Geps Physician Group OF Pennsylvania PCClarks Summit, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clare R. Williams among 7,209 family nurse practitioner records in Pennsylvania
Clare R. Williams, APN-C is one of 7,209 family nurse practitioner records with a practice address in Pennsylvania. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2004 · median 2018 among the 4,232 with a school on file
- Record last updated2019 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 family nurse practitioner records list a practice address in West Chester
They are 50 of the 2,831 NPPES records with a practice address in West Chester, and 7,209 family nurse practitioner records in Pennsylvania.
All 7,209 in Pennsylvania → Every provider in West Chester → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ryan Anastasi, CRNP, FNP-CWest Chester, PA 193821780192237
- Patricia Becker, CRNPWest Chester, PA 193821437335387
- Lydia Cole, FNP-CWest Chester, PA 193821962925628
- Sarah Dozier, MSN BSN FNP-C RN CENWest Chester, PA 193821891403242
- Donna Fitzgerald, CRNPWest Chester, PA 193821851849152
- Kathryn GrugeonWest Chester, PA 193821457393068
- Timothy Trotter, FNPWest Chester, PA 193821518330901
- Geraldine Zalaski, FNP-BCWest Chester, PA 193821881130490
Common questions
What is Clare R. Williams, APN-C's NPI number?
Clare R. Williams, APN-C's National Provider Identifier (NPI) is 1851481543, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clare R. Williams, APN-C located?
The NPPES record lists a practice address at 800 W Miner St, West Chester, PA, 19382. Phone: (610) 696-3120. Providers update this record themselves, so call before visiting.
How can I verify Clare R. Williams, APN-C's license?
NPPES lists Pennsylvania license number SP012730, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Clare R. Williams, APN-C prescribe under Medicare Part D?
In 2024, Clare R. Williams, APN-C had 4,727 Medicare Part D claims for 236 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.