Sonya Williams, C.R.N.P.
NPI 1912999517 · Family Nurse Practitioner · Arnold, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonya Williams, C.R.N.P. is a Family Nurse Practitioner provider in Arnold, MD (NPI 1912999517).
Provider details
- NPI number
- 1912999517
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.R.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- R154267 (MD)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,774 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 565 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 454 | $91 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 450 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 427 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 409 | $14 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 264 | 87 |
| Amlodipine Besylate | 179 | 57 |
| Levothyroxine Sodium | 172 | 59 |
| Lisinopril | 134 | 41 |
| Rosuvastatin Calcium | 106 | 40 |
| Metoprolol Succinate | 91 | 31 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$368 across 20 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
Registry dates
- Enumerated
- 2005-08-19
- Last updated
- 2011-01-24
Frequently asked questions
- What is Sonya Williams's NPI number?
- Sonya Williams's National Provider Identifier (NPI) is 1912999517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonya Williams's specialty?
- Sonya Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sonya Williams located?
- Sonya Williams's practice location on file with NPPES is 1509 Ritchie Hwy, Arnold, MD 21012-2742.
- What is Sonya Williams's phone number?
- The practice phone number listed in the NPPES registry for Sonya Williams is (410) 757-7600.
- Does Sonya Williams accept Medicare?
- Sonya Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonya Williams's NPI active?
- Yes — Sonya Williams's NPI (1912999517) is active in the NPPES registry as of the last update on 2011-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.