Are you Daniel A. Williams, PA-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 19465 Deerfield Ave Ste 405, Leesburg, VA 20176
About Daniel Williams
Listed in the NPI registry as a physician assistant, Daniel A. Williams, PA-C practices in Leesburg, VA. According to Medicare claims data, the services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1528140647 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (703) 858-1800
- Email not available
Practice Locations
19465 DEERFIELD AVE STE 405
Leesburg, VA 20176
Procedures Most Often Billed to Medicare
15 services · 15 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
15 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 7 related providers in 1 group
Common questions
What kind of doctor is Daniel A. Williams?
Daniel A. Williams is a physician assistant in Leesburg, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Daniel A. Williams's address?
Daniel A. Williams is listed at 19465 Deerfield Ave Ste 405, Leesburg, VA 20176. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Daniel A. Williams?
The number on file is (703) 858-1800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Daniel A. Williams?
Daniel A. Williams's National Provider Identifier is 1528140647. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Daniel A. Williams have?
Daniel A. Williams has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Daniel A. Williams perform?
According to Medicare billing data, Daniel A. Williams the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Daniel A. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Daniel A. Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.