Sydney Van Dellen, PA-C
NPI 1629669015 · Physician Assistant · Dumfries, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Van Dellen, PA-C is a Physician Assistant provider in Dumfries, VA (NPI 1629669015).
Provider details
- NPI number
- 1629669015
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
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 tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
167 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 39 | $106 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 29 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 27 | $92 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $75 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 26 | $35 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
Practice location
Mailing address
Additional practice locations (2)
- 501 Lighthouse AveMonterey, CA 93940-1439Phone: (831) 649-0770Fax: (831) 649-0142
- 3307 Cooper StCamp Lejeune, NC 28547-1408Phone: (262) 501-8227
Registry dates
- Enumerated
- 2021-01-29
- Last updated
- 2023-11-30
- Certified
- 2023-11-28
Frequently asked questions
- What is Sydney Van Dellen's NPI number?
- Sydney Van Dellen's National Provider Identifier (NPI) is 1629669015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Van Dellen's specialty?
- Sydney Van Dellen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Van Dellen located?
- Sydney Van Dellen's practice location on file with NPPES is 16830 Dumfries Rd, Dumfries, VA 22025.
- What is Sydney Van Dellen's phone number?
- The practice phone number listed in the NPPES registry for Sydney Van Dellen is (703) 523-1750.
- Does Sydney Van Dellen accept Medicare?
- Sydney Van Dellen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Van Dellen's NPI active?
- Yes — Sydney Van Dellen's NPI (1629669015) is active in the NPPES registry as of the last update on 2023-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.