Karen Williams, APRN, RN, PHN, NP
NPI 1588082929 · Family Nurse Practitioner · Lakeland, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Williams, APRN, RN, PHN, NP is a Family Nurse Practitioner provider in Lakeland, FL (NPI 1588082929).
Provider details
- NPI number
- 1588082929
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, RN, PHN, NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- APRN11024505 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
369 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $74 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 60 | $27 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 35 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 33 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 282 | 97 |
| Levothyroxine Sodium | 132 | 58 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 96 | 45 |
| Empagliflozinbrand: Jardiance | 91 | 36 |
| Metformin Hclbrand: Metformin Hcl Er | 72 | 44 |
| Tirzepatidebrand: Mounjaro | 63 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$265 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 815 Bay AveCapitola, CA 95010-2106Phone: (831) 460-7333
- 2120 Country Loop NLakeland, FL 33811-1313Phone: (909) 329-8051
Registry dates
- Enumerated
- 2014-04-02
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is Karen Williams's NPI number?
- Karen Williams's National Provider Identifier (NPI) is 1588082929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Williams's specialty?
- Karen Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Williams located?
- Karen Williams's practice location on file with NPPES is 3030 Harden Blvd, Lakeland, FL 33803-7952.
- What is Karen Williams's phone number?
- The practice phone number listed in the NPPES registry for Karen Williams is (863) 687-1100.
- Does Karen Williams accept Medicare?
- Karen Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Williams's NPI active?
- Yes — Karen Williams's NPI (1588082929) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.