Alyssa Kanagaki Greenleaf, PA-C
NPI 1861896524ActiveIndividual· Physician Assistant, Medical· Southington, CT
Physician Assistant, Medical (PA-C) with Hartford Healthcare Medical Group Specialists PLLC and 1 other group, practicing in Southington, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $3,024,110 for 5,127 claims, against $25,435 paid for services in 2024. Cequr Corporation was the largest of 16 companies reporting payments in 2025, $9,502 in all, mostly speaking and faculty fees. Lists The Hospital of Central Connecticut as a hospital affiliation.
Overview
| NPI | 1861896524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 9, 2014 |
| Last updated in NPPES | May 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 4051 | CT |
| Physician Assistant, Medical | 363AM0700X | 5169 | MA |
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 - Physician Assistant (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 480 across 14 procedure codes |
| Paid by Medicare | $25,435 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,127 · 11,724 30-day fills |
|---|---|
| Patients | 772 |
| Total drug cost | $3,024,110 |
| Generic share | 27% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
- The Hospital of Central Connecticut at New Britain General and BradleyNew Britain, CT · 399 clinicians
Hospital affiliation
- The Hospital of Central ConnecticutNew Britain, CT
Industry payments (Open Payments)
- 2025$9,502 · 65 payments from 16 companies
- 2024$9,645 · 36 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cequr Corporation | $7,961 | 15 |
| Amgen Inc. | $293.21 | 4 |
| Abbott Laboratories | $290.19 | 4 |
| Dexcom, Inc. | $162.09 | 6 |
| Medtronic, Inc. | $157.43 | 6 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,200 · 6 payments
- Food and Beverage$2,126 · 57 payments
- Travel and Lodging$176.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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