Collette Mehring, D.O.
NPI 1326232208ActiveIndividual· Internal Medicine, Nephrology· Elkton, MD
Internal Medicine, Nephrology (D.O.) in Elkton, Maryland, trained at Philadelphia College of Osteopathic Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $454,340 for 2,370 claims, against $229,150 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 19 companies reporting payments in 2025, $1,252 in all, mostly food and beverage.
Overview
| NPI | 1326232208 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Sep 4, 2007 |
| Last updated in NPPES | Jun 17, 2021 |
| Certified by provider | Jun 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | C2-0008875 | DE |
| Internal Medicine, Nephrology | 207RN0300X | H0067854 | 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 - Nephrology (DE); Practitioner - Nephrology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 821 |
|---|---|
| Services billed | 3,170 across 28 procedure codes |
| Paid by Medicare | $229,150 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,370 · 5,299 30-day fills |
|---|---|
| Patients | 323 |
| Total drug cost | $454,340 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates PAWilmington, DE · 54 clinicians
Hospital affiliations
- Bayhealth Medical Center, Kent CampusDover, DE
- Christiana HospitalNewark, DE
- St Francis HospitalWilmington, DE
- Union Hospital of Cecil CountyElkton, MD
Other facilities
- Fkc Brandywine Home TherapiesDialysis facility · Newark, DE
- Fkc TalleyvilleDialysis facility · Wilmington, DE
- Fmc - ElktonDialysis facility · Elkton, MD
- Encompass Health Rehab Hospital of MiddletownInpatient rehabilitation facility · Middletown, DE
Industry payments (Open Payments)
- 2025$1,252 · 51 payments from 19 companies
- 2024$1,470 · 67 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $271.42 | 6 |
| Ani Pharmaceuticals, Inc. | $110.41 | 4 |
| Otsuka America Pharmaceutical, Inc. | $106.19 | 5 |
| Fresenius USA Marketing, Inc. | $105.19 | 4 |
| Novartis Pharmaceuticals Corporation | $100.19 | 4 |
What the 2025 payments were for
- Food and Beverage$1,215 · 48 payments
- Education$37.07 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Elkton
- 1750185278
- 1174319081
- 1801717277
- 1710989926
- 1609862150