Gabriel Gary Umbehr, PA-C
NPI 1811548738ActiveIndividual· Physician Assistant, Medical· North Haven, CT
Physician Assistant, Medical (PA-C) with Connecticut Gi PLLC, practicing in North Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $340,173 for 851 claims, against $26,739 paid for services in 2024. Lucid Diagnostics Inc. was the largest of 11 companies reporting payments in 2025, $839.97 in all, mostly food and beverage. Lists Bristol Hospital as a hospital affiliation.
Overview
| NPI | 1811548738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 23, 2019 |
| Last updated in NPPES | Jul 17, 2020 |
| Certified by provider | Jul 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 156 |
|---|---|
| Services billed | 818 across 14 procedure codes |
| Paid by Medicare | $26,739 |
Part D prescriptions in 2024
| Prescriptions (claims) | 851 · 1,692 30-day fills |
|---|---|
| Patients | 417 |
| Total drug cost | $340,173 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliation
- Bristol HospitalBristol, CT
Industry payments (Open Payments)
- 2025$839.97 · 29 payments from 11 companies
- 2024$838.80 · 41 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lucid Diagnostics Inc. | $167.40 | 1 |
| Madrigal Pharmaceuticals | $161.77 | 2 |
| Abbvie Inc. | $145.44 | 15 |
| Gilead Sciences, Inc. | $124.99 | 1 |
| Ardelyx, Inc. | $71.47 | 3 |
What the 2025 payments were for
- Food and Beverage$830.32 · 28 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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