DR. SYLVIA MARGARITA CASTRO (MD) – Family Medicine Physician, NPI 1609439793
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,194 FAMILY PRACTICE in CA
Provider Addresses for DR. SYLVIA MARGARITA CASTRO (MD)
1317 OAKDALE RD STE 440
MODESTO, CA 953553364
Phone: (209) 522-3362
Fax: (209) 522-3363
Type: Mailing
947, Taylor Drive, Gurnee, Lake County, Illinois, 60031, United States
GURNEE, IL 600313121
Phone: (619) 218-3595
Type: Mailing
Florida Avenue, Aurora, Modesto, Stanislaus County, California, 95350, United States
MODESTO, CA 953504404
Phone: (209) 576-3528
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $67.
Total Amount is formed as General ($67) + Research ($0) + Ownership ($0) = $67.
Last reported payment date: 2024-07-23 • Largest payer in this snapshot: Cranial Technologies, Inc ($18).
Total Amount
$67
General + Research + Ownership
Payments
4
Total payment records
General Amount
$67
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Cranial Technologies, Inc | $18 |
| ABBVIE INC. | $18 |
| Exact Sciences Corporation | $16 |
| GlaxoSmithKline, LLC. | $15 |
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: 2022-09-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20220913003666 | I | Family Practice | CA | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 131 | 57 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 56 | 39 | $0 |
| G0447 | Face-to-face behavioral counseling for obesity, 15 minutes | 23 | 15 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 95355)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| - | CA | |
| Clinical Social Worker | CA | |
| Clinical Social Worker | CA | |
| Family Practice | SC | |
| Emergency Medicine, Family Practice | CA | |
| Family Practice | CA | |
| Clinical Psychologist | CA | |
| Clinical Social Worker | CA |
Reviews
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