Doctor profile · Federal record
Dr. Karen Williams, CRNP
Nurse Practitioner · Family Nurse Practitioner · Allentown, PA
- NPI 1457303141
- Accepts Medicare
- 40 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1230 S Cedar Crest Blvd Stes 301, 302, 304
Allentown, PA 181036212
(610) 432-4529
fax (610) 432-2206 - Mailing address
-
1230 S Cedar Crest Blvd Ste 301
Allentown, PA 181036212
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 2, 2022
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Pennsylvania #VP006049B
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457303141. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
193
Distinct HCPCS
5
Medicare allowed
$21,567
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 63 | 43 | $65 | |
90935 |
Hemodialysis procedure with physician evaluation | 45 | 12 | $59 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 44 | 25 | $144 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 30 | 21 | $245 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $107 |
In context: peer comparison
Among 16 peers in Allentown Nurse Practitioner, average services per provider: 64. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$165
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $124.74 | |
| Fresenius USA Marketing, INC. | 2 | $39.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
509
Patients
107
Total drug cost
$83,084
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Calcium Acetate | Generic | 90 | 27 | $9,880 |
| Amlodipine Besylate | Generic | 86 | 17 | $1,038 |
| Sevelamer Carbonate | Generic | 67 | 21 | $13,052 |
| Sps (Sodium Polystyrene Sulfon/Sorb) | Brand | 55 | 42 | $2,066 |
| Lidocaine-Prilocaine (Lidocaine/Prilocaine) | Brand | 36 | 0 | $596 |
| Carvedilol | Generic | 25 | 0 | $596 |
| Hydralazine Hcl | Generic | 25 | 0 | $319 |
| Nifedipine ER (Nifedipine) | Brand | 23 | 0 | $1,016 |
| Torsemide | Generic | 20 | 0 | $584 |
| Velphoro (Sucroferric Oxyhydroxide) | Brand | 17 | 0 | $31,891 |
Frequently asked questions
What is Dr. Karen Williams's medical specialty?
Dr. Karen Williams practices Nurse Practitioner in Allentown, PA.
Where does Dr. Karen Williams practice?
Dr. Karen Williams practices at 1230 S Cedar Crest Blvd Stes 301, 302, 304, Allentown, PA 181036212. Office phone: 6104324529.
What is Dr. Karen Williams's NPI?
Dr. Karen Williams's National Provider Identifier (NPI) is 1457303141, issued by NPPES.
Does Dr. Karen Williams accept Medicare assignment?
Yes. Dr. Karen Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935); Transitional care management services for problem of at least moderate complexity (HCPCS 99495). Source: CMS Medicare Physician & Other Practitioners file.