Karen Matulonis Williams, CRNP
Nurse Practitioner · Allentown, PA
Karen Matulonis Williams, CRNP is a nurse practitioner with a practice address in Allentown, Pennsylvania, and NPI 1457303141, issued on May 17, 2006. Check the license (Pennsylvania VP006049B, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Matulonis Williams
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- VP006049B PA
Self-reported in NPPES; status is on the state search - Practice location
- 1230 S Cedar Crest Blvd Stes 301, 302, 304, Allentown, PA 18103
- Phone
- (610) 432-4529
- Enumerated
- May 17, 2006
- Record last updated
- Jun 2, 2022
- Fax
- (610) 432-2206
- Medicare enrollment
- Enrolled (PECOS I20080506000591); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,916 in Pennsylvania → Look up another NPI →
Also registered at 1230 S Cedar Crest Blvd Stes 301, 302, 304
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Matulonis 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 VP006049BCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average nurse practitioner in 2024
584 Medicare Part D claims for 72 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Amlodipine Besylate68 claims
- Calcium Acetate59 claims
- Sps57 claims
- Sevelamer Carbonate44 claims
- Lidocaine-Prilocaine31 claims
- Carvedilol26 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: $164.51
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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 2 group practices
- Kidney Care Specialists LLCAllentown, PA
- Valley Kidney Specialists, P.C.Allentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Matulonis Williams among 3,916 nurse practitioner records in Pennsylvania
Karen Matulonis Williams, CRNP is one of 3,916 nurse practitioner records with a practice address in Pennsylvania. 75% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 81% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1986 · median 2018 among the 2,360 with a school on file
- Record last updated2022 · 48% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in Pennsylvania
There are 3,916 nurse practitioner records in Pennsylvania.
All 3,916 in Pennsylvania → Every provider in Allentown → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Diana Blair, NURSE PRACTITIONERAllentown, PA 181031386662732
- Carol Carbone, CRNPAllentown, PA 181031518944123
- Joan Dunbobbin, CRNPAllentown, PA 181031356393144
- Gretchen Fitzgerald, CRNPAllentown, PA 181031871549162
- Eleanor Franges, CRNPAllentown, PA 181031134194806
- Sandra Kowalski, CRNPAllentown, PA 181031508850546
- Ann Lushis, CRNPAllentown, PA 181031386682201
- Patricia Mitchell-Bowman, FNPAllentown, PA 181031023207032
Common questions
What is Karen Matulonis Williams, CRNP's NPI number?
Karen Matulonis Williams, CRNP's National Provider Identifier (NPI) is 1457303141, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Matulonis Williams, CRNP located?
The NPPES record lists a practice address at 1230 S Cedar Crest Blvd Stes 301, 302, 304, Allentown, PA, 18103. Phone: (610) 432-4529. Providers update this record themselves, so call before visiting.
How can I verify Karen Matulonis Williams, CRNP's license?
NPPES lists Pennsylvania license number VP006049B, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Matulonis Williams, CRNP prescribe under Medicare Part D?
In 2024, Karen Matulonis Williams, CRNP had 584 Medicare Part D claims for 72 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.