Yvonka Williams, APRN, PMHNP
NPI 1548681190 · Psychiatric/Mental Health Nurse Practitioner · Orlando, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvonka Williams, APRN, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Orlando, FL (NPI 1548681190).
Provider details
- NPI number
- 1548681190
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, PMHNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11000391 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing 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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,104 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,754 | $89 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 249 | $142 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 101 | $61 |
Typical Medicare-allowed amounts for these services range $61–$142 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 328 | 53 |
| Sertraline Hcl | 280 | 65 |
| Buspirone Hcl | 139 | 27 |
| Escitalopram Oxalate | 135 | 21 |
| Divalproex Sodium | 120 | 26 |
| Quetiapine Fumarate | 111 | 25 |
| Mirtazapine | 93 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$175 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 (1)
- 640 S Bay StEustis, FL 32726-4860Phone: (352) 492-1564
Registry dates
- Enumerated
- 2013-12-29
- Last updated
- 2025-12-05
- Certified
- 2025-12-05
Frequently asked questions
- What is Yvonka Williams's NPI number?
- Yvonka Williams's National Provider Identifier (NPI) is 1548681190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonka Williams's specialty?
- Yvonka Williams is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yvonka Williams located?
- Yvonka Williams's practice location on file with NPPES is 4700 Millenia Blvd Ste 500, Orlando, FL 32839-6019.
- What is Yvonka Williams's phone number?
- The practice phone number listed in the NPPES registry for Yvonka Williams is (813) 467-6111.
- Does Yvonka Williams accept Medicare?
- Yvonka Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yvonka Williams's NPI active?
- Yes — Yvonka Williams's NPI (1548681190) is active in the NPPES registry as of the last update on 2025-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.