LESLEY C SNELLING (M.D.) – Radiation Oncology Physician, NPI 1578749768
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for LESLEY C SNELLING (M.D.)
217, White Oak Shade Road, New Canaan, Fairfield County, Connecticut, 06840, United States
NEW CANAAN, CT 068406833
Phone: (203) 972-6641
Fax: (203) 972-6642
Type: Mailing
Memorial Medical Center, 2450, South Telshor Boulevard, Las Cruces, Doña Ana County, New Mexico, 88011, United States
LAS CRUCES, NM 880115069
Phone: (575) 556-5800
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: 2014-02-27
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 |
|---|---|---|---|---|
| I20140227001286 | I | Radiation Oncology | NM | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 06840)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NM | |
| Family Practice | NM | |
| Nurse Practitioner | NM | |
| Family Practice | NM | |
| Clinical Psychologist | NM | |
| Family Practice | NM | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Internal Medicine, Medical Oncology | NM | |
| Radiation Oncology | AK | |
| Nurse Practitioner | TX |
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