Annika Nicole Chambers, MD
NPI 1255793956ActiveIndividual· Internal Medicine· Bridgeport, CT
Internal Medicine (MD) with Hartford Healthcare Medical Group Specialists PLLC, practicing in Bridgeport, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $588,765 for 4,329 claims, against $18,669 paid for services in 2024. Lilly USA, LLC was the largest of 4 companies reporting payments in 2025, $298.74 in all, mostly food and beverage. Lists St Vincent's Medical Center as a hospital affiliation.
Overview
| NPI | 1255793956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 22, 2016 |
| Last updated in NPPES | Jun 20, 2024 |
| Certified by provider | Jun 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 63927 | 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 | 81 |
|---|---|
| Services billed | 325 across 27 procedure codes |
| Paid by Medicare | $18,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,329 · 9,543 30-day fills |
|---|---|
| Patients | 635 |
| Total drug cost | $588,765 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
Hospital affiliation
- St Vincent's Medical CenterBridgeport, CT
Other facilities
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
Industry payments (Open Payments)
- 2025$298.74 · 15 payments from 4 companies
- 2024$297.19 · 20 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $105.64 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $86.62 | 4 |
| Novo Nordisk Inc | $82.77 | 4 |
| Exact Sciences Corporation | $23.71 | 1 |
What the 2025 payments were for
- Food and Beverage$298.74 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 146 internal medicine physicians in Bridgeport · All internal medicine physicians in Connecticut