Charlotte Ruth Gamble, M.D.
NPI 1215356787ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· Washington, DC
Obstetrics & Gynecology, Gynecologic Oncology (M.D.) with Medstar Medical Group II LLC, practicing in Washington, District of Columbia. Their prescriptions cost Medicare Part D more than their services did: $202,699 for 130 claims, against $45,521 paid for services in 2024. Caris Mpi, Inc. was the largest of 5 companies reporting payments in 2025, $281.93 in all, mostly food and beverage. Lists Medstar Georgetown University Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1215356787 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2014 |
| Last updated in NPPES | Jul 19, 2021 |
| Certified by provider | Jul 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | MD20000066 | DC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gynecological Oncology (DC); Practitioner - Gynecological Oncology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 242 across 29 procedure codes |
| Paid by Medicare | $45,521 |
Part D prescriptions in 2024
| Prescriptions (claims) | 130 · 172 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $202,699 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Gynecological Oncology |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Saint Mary's HospitalLeonardtown, MD
- Medstar Southern Maryland Hospital CenterClinton, MD
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$281.93 · 9 payments from 5 companies
- 2024$135.29 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Caris Mpi, Inc. | $105.35 | 2 |
| Merck Sharp & Dohme LLC | $85.81 | 3 |
| Glaxosmithkline, LLC. | $45.70 | 2 |
| Pfizer Inc. | $24.72 | 1 |
| Daiichi Sankyo Inc. | $20.35 | 1 |
What the 2025 payments were for
- Food and Beverage$281.93 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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