Valerie Williamson, MD
NPI 1598750143 · Family Medicine Physician · Herndon, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Valerie Williamson, MD is a Family Medicine Physician provider in Herndon, VA (NPI 1598750143).
Provider details
- NPI number
- 1598750143
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101046003 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 26 | — |
| Metformin Hcl | 24 | — |
| Atorvastatin Calcium | 23 | 11 |
| Amlodipine Besylate | 21 | — |
| Levothyroxine Sodium | 19 | — |
| Lisinopril | 17 | — |
| Metoprolol Succinate | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$55 across 2 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
- 2005-09-20
- Last updated
- 2023-10-06
- Certified
- 2023-10-05
Frequently asked questions
- What is Valerie Williamson's NPI number?
- Valerie Williamson's National Provider Identifier (NPI) is 1598750143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Valerie Williamson's specialty?
- Valerie Williamson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Valerie Williamson located?
- Valerie Williamson's practice location on file with NPPES is Healthworks for Northern Virginia, Herndon, VA 20170-2017.
- What is Valerie Williamson's phone number?
- The practice phone number listed in the NPPES registry for Valerie Williamson is (703) 443-2000.
- Does Valerie Williamson accept Medicare?
- Valerie Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Valerie Williamson's NPI active?
- Yes — Valerie Williamson's NPI (1598750143) is active in the NPPES registry as of the last update on 2023-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.