Katherine Williams, DO
NPI 1619538733 · Family Medicine Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Williams, DO is a Family Medicine Physician provider in Jacksonville, FL (NPI 1619538733).
Provider details
- NPI number
- 1619538733
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- OS17758 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 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
318 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 | 195 | $125 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 62 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $89 |
| Automated Urinalysis Test81003 | 20 | $2 |
Typical Medicare-allowed amounts for these services range $2–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 201 | 61 |
| Amlodipine Besylate | 142 | 38 |
| Levothyroxine Sodium | 139 | 40 |
| Losartan Potassium | 120 | 35 |
| Rosuvastatin Calcium | 100 | 35 |
| Lisinopril | 88 | 31 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$87 across 4 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)
- 2820 Ne 214th St Ste 801Aventura, FL 33180-1269Phone: (888) 803-3370Fax: (888) 803-3331
- 400 N Tampa St Fl 15Tampa, FL 33602-4730Phone: (888) 803-3370Fax: (888) 803-3331
Registry dates
- Enumerated
- 2019-06-28
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Katherine Williams's NPI number?
- Katherine Williams's National Provider Identifier (NPI) is 1619538733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Williams's specialty?
- Katherine Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Williams located?
- Katherine Williams's practice location on file with NPPES is 4844 Deer Lake Dr W Ste 1, Jacksonville, FL 32246-4506.
- What is Katherine Williams's phone number?
- The practice phone number listed in the NPPES registry for Katherine Williams is (904) 738-8690.
- Does Katherine Williams accept Medicare?
- Katherine Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Williams's NPI active?
- Yes — Katherine Williams's NPI (1619538733) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.