Christine Santayana, D.O.
NPI 1023472578ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· Annapolis, MD
Obstetrics & Gynecology, Gynecologic Oncology (D.O.) with Chesapeake Urology Associates LLC, practicing in Annapolis, Maryland. In 2024 Medicare paid $82,817 for 240 patients, and Part D covered 402 of their prescriptions, 75% of them generic. Sumitomo Pharma America, Inc. was the largest of 20 companies reporting payments in 2025, $1,345 in all, mostly food and beverage. Lists University of MD Baltimore Washington Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1023472578 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2016 |
| Last updated in NPPES | Mar 12, 2025 |
| Certified by provider | Mar 12, 2025 |
Specialties and licenses
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 - Urology (DC); Practitioner - Obstetrics/Gynecology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 1,810 across 48 procedure codes |
| Paid by Medicare | $82,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 402 · 820 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $114,087 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Hospital affiliations
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
Industry payments (Open Payments)
- 2025$1,345 · 65 payments from 20 companies
- 2024$1,621 · 49 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $302.96 | 18 |
| Bayer Healthcare Pharmaceuticals Inc. | $177.26 | 7 |
| Abbvie Inc. | $141.29 | 6 |
| Janssen Biotech, Inc. | $109.71 | 5 |
| Novartis Pharmaceuticals Corporation | $78.44 | 3 |
What the 2025 payments were for
- Food and Beverage$1,345 · 65 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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