SYDNEY VAN DELLEN (PA-C) – Physician Assistant, NPI 1629669015
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for SYDNEY VAN DELLEN (PA-C)
501 Lighthouse Ave
Monterey, CA 939401439
Phone: (831) 649-0770
Fax: (831) 649-0142
Type: Location
16830 DUMFRIES RD
STE 160
DUMFRIES, VA 22025
Phone: (703) 523-1750
Fax: (844) 518-0708
Type: Mailing
501 LIGHTHOUSE AVE
MONTEREY, CA 939401439
Phone: (831) 649-0770
Fax: (831) 649-0142
Type: Mailing
3307 Cooper St
Camp Lejeune, NC 285471408
Phone: (262) 501-8227
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-01-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210302000008 | I | Physician Assistant | CA | TBD |
| I20240118002147 | I | Physician Assistant | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 50 | 46 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 30 | 27 | $0 |
| 87428 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 19 | 19 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 19 | 19 | $0 |
Insurance plans in this area (ZIP 93940)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| - | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| - | CA | |
| Family Practice, Emergency Medicine | VA |
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