Constance C. Mere, MD
NPI 1205945565ActiveIndividual· Internal Medicine, Nephrology· Washington, DC
Internal Medicine, Nephrology (MD) with Howard University, practicing in Washington, District of Columbia. Their prescriptions cost Medicare Part D more than their services did: $389,340 for 1,565 claims, against $119,223 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 13 companies reporting payments in 2025, $606.96 in all, mostly food and beverage. Lists Howard University Hospital Corp as a hospital affiliation.
Overview
| NPI | 1205945565 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Dec 26, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD34170 | DC |
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 - Nephrology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 812 across 19 procedure codes |
| Paid by Medicare | $119,223 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,565 · 3,453 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $389,340 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Howard UniversityWashington, DC · 181 clinicians
Hospital affiliation
- Howard University Hospital CorpWashington, DC
Other facilities
- Capitol DialysisDialysis facility · Washington, DC
- Universal Dialysis CenterDialysis facility · Cottage City, MD
Industry payments (Open Payments)
- 2025$606.96 · 23 payments from 13 companies
- 2024$542.01 · 21 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $118.77 | 5 |
| Glaxosmithkline, LLC. | $100.07 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $92.73 | 4 |
| Viatris Specialty LLC | $45.35 | 2 |
| Genzyme Corporation | $37.93 | 1 |
What the 2025 payments were for
- Food and Beverage$589.99 · 22 payments
- Education$16.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Washington
- 1043231285
- 1043267016
- 1134206741
- 1174705149
- 1215008982
- 1245231109
- 1255423752
- 1295902625
- 1336113950
- 1376002345
- 1396743183
- 1457346454
All 93 nephrologists in Washington · All nephrologists in District of Columbia