KAREN MATULONIS WILLIAMS (CRNP) – Nurse Practitioner, NPI 1457303141
Nurse Practitioner
Main info
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Profile Insights
NPPES metrics only — not quality of care.
11,473 NURSE PRACTITIONER in PA
Provider Addresses for KAREN MATULONIS WILLIAMS (CRNP)
1230 S CEDAR CREST BLVD STES 301, 302, 304
ALLENTOWN, PA 181036212
Phone: (610) 432-4529
Fax: (610) 432-2206
Type: Location
South Cedar Crest Boulevard, Bungalow Park, Cetronia, South Whitehall Township, Lehigh County, Pennsylvania, 18104, United States
ALLENTOWN, PA 181036212
Phone: (610) 432-4529
Fax: (610) 432-2206
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $217.
Total Amount is formed as General ($217) + Research ($0) + Ownership ($0) = $217.
Last reported payment date: 2024-08-07 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($125).
Total Amount
$217
General + Research + Ownership
Payments
5
Total payment records
General Amount
$217
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $125 |
| Fresenius USA Marketing, Inc. | $64 |
| Ascendis Pharma Inc | $28 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-05-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080506000591 | I | Nurse Practitioner | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 63 | 43 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 45 | 12 | $0 |
| 99495 | Transitional care management services for problem of at least moderate complexity | 44 | 25 | $0 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 30 | 21 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 18103)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | PA | |
| Nephrology, Internal Medicine | PA | |
| Nephrology, Internal Medicine | PA | |
| - | PA | |
| - | PA | |
| - | DC | |
| N E P H R O L O G Y | PA | |
| Nephrology, Internal Medicine | PA | |
| N E P H R O L O G Y | PA | |
| N E P H R O L O G Y | PA |
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