Melissa T. McLeish, CRNA, DNAP
NPI 1366023087ActiveIndividual· Nurse Anesthetist, Certified Registered· New Haven, CT
Nurse Anesthetist, Certified Registered (CRNA, DNAP) with Singular Anesthesia Services PLLC, practicing in New Haven, Connecticut. Medicare paid $10,149 for services to 82 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $50.07 in all, mostly food and beverage. Lists New York-Presbyterian Hospital as a hospital affiliation.
Overview
| NPI | 1366023087 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA, DNAP |
| Sole proprietor | No |
| NPI issued | Apr 15, 2021 |
| Last updated in NPPES | Aug 1, 2021 |
| Certified by provider | Aug 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 9792 | CT |
| Registered Nurse | 163W00000X | 156611 | 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 - Certified Registered Nurse Anesthetist (CRNA) (CT); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 83 across 41 procedure codes |
| Paid by Medicare | $10,149 |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Singular Anesthesia Services PLLCWoodstock, NY · 71 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$50.07 · 2 payments from 2 companies
- 2024$24.62 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $31.00 | 1 |
| Heron Therapeutics, Inc. | $19.07 | 1 |
What the 2025 payments were for
- Food and Beverage$50.07 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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