DAN-ARIN SILASI (MD) – Gynecologic Oncology Physician, NPI 1154393411
Gynecologic Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
929 OBSTETRICS/GYNECOLOGY in MO
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Provider Addresses for DAN-ARIN SILASI (MD)
South New Ballas Road, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SAINT LOUIS, MO 631410001
Phone: (314) 251-4260
Fax: (314) 251-4261
Type: Mailing
44 CHESTERFIELD LAKES RD
CHESTERFIELD, MO 630054506
Phone: (203) 508-3311
Fax: (888) 440-2472
Type: Mailing
10004 KENNERLY RD STE 370A
SAINT LOUIS, MO 631282141
Phone: (314) 928-0928
Fax: (888) 440-2472
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 40 Open Payments records for all available years, with a total value of $8,794.
Total Amount is formed as General ($8,794) + Research ($0) + Ownership ($0) = $8,794.
Last reported payment date: 2024-11-05 • Largest payer in this snapshot: ImmunoGen, Inc. ($4,284).
Total Amount
$8,794
General + Research + Ownership
Payments
40
Total payment records
General Amount
$8,794
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ImmunoGen, Inc. | $4,284 |
| GlaxoSmithKline, LLC. | $3,391 |
| Intuitive Surgical, Inc. | $408 |
| Genmab U.S., Inc. | $361 |
| AstraZeneca Pharmaceuticals LP | $168 |
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: 2025-06-11
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 |
|---|---|---|---|---|
| I20200910002880 | I | Obstetrics/Gynecology | MO | TBD |
| I20250611000890 | I | Obstetrics/Gynecology | TX | 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 | 69 | 54 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 53 | 53 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 49 | 44 | $0 |
| 58571 | Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less | 24 | 24 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 15 | $0 |
Insurance plans in this area (ZIP 63141)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | NY | |
| Sleep Medicine, Critical Care (Intensivists) | TX | |
| Surgical Oncology | NY | |
| General Surgery | TN | |
| General Surgery | GA | |
| U R O L O G Y | NY | |
| Nurse Practitioner | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX |
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