Maura L. Sparks, MD
NPI 1124020516ActiveIndividual· Internal Medicine· Wilton, CT
Internal Medicine (MD) in Wilton, Connecticut, trained at Georgetown University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $261,340 for 4,999 claims, against $112,318 paid for services in 2024.
Overview
| NPI | 1124020516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 15, 2005 |
| Last updated in NPPES | Mar 3, 2020 |
| Certified by provider | Mar 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 045756 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 311 |
|---|---|
| Services billed | 1,424 across 33 procedure codes |
| Paid by Medicare | $112,318 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,999 · 11,128 30-day fills |
|---|---|
| Patients | 526 |
| Total drug cost | $261,340 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Rehabilitation Associates IncFairfield, CT · 529 clinicians
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Danbury HospitalDanbury, CT
- Greenwich Hospital Association -Greenwich, CT
- Norwalk HospitalNorwalk, CT
- Stamford HospitalStamford, CT
Other facilities
- Elara CaringHome health agency · Rocky Hill, CT
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
- RvnahealthHome health agency · Ridgefield, CT
- Visiting Nurse & Hospice of Fairfield County, IncHome health agency · Wilton, CT
- Western Connecticut Home Care IncHome health agency · Danbury, CT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 internal medicine physicians in Wilton · All internal medicine physicians in Connecticut