James Martin Chamberlain, M.D.
NPI 1437150042ActiveIndividual· Family Medicine· Queenstown, MD
Family Medicine (M.D.) in Queenstown, Maryland, trained at University of Maryland School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $926,768 for 9,743 claims, against $208,011 paid for services in 2024. Novo Nordisk Inc was the largest of 17 companies reporting payments in 2025, $1,038 in all, mostly food and beverage.
Overview
| NPI | 1437150042 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 4, 2005 |
| Last updated in NPPES | Dec 5, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | D0037064 | MD |
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 - Family Practice (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 769 |
|---|---|
| Services billed | 7,141 across 114 procedure codes |
| Paid by Medicare | $208,011 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,743 · 24,333 30-day fills |
|---|---|
| Patients | 882 |
| Total drug cost | $926,768 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Maryland Primary Care Physicians, LLCColumbia, MD · 99 clinicians
Hospital affiliations
- Beebe Medical CenterLewes, DE
- Luminis Health Anne Arundel Medical Center, IncAnnapolis, MD
- University of MD Shore Medical Center at EastonEaston, MD
Other facilities
- Adoration Home HealthHome health agency · Salisbury, MD
- HomecallHome health agency · Easton, MD
- Vna of Maryland- ChestertownHome health agency · Chestertown, MD
Industry payments (Open Payments)
- 2025$1,038 · 57 payments from 17 companies
- 2024$1,067 · 57 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $250.60 | 15 |
| Pfizer Inc. | $141.66 | 9 |
| Merck Sharp & Dohme LLC | $107.40 | 4 |
| Astrazeneca Pharmaceuticals LP | $76.46 | 4 |
| Tactile Systems Technology Inc | $59.91 | 3 |
What the 2025 payments were for
- Food and Beverage$1,038 · 57 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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