Raymond Bass, M.D.
NPI 1689672164ActiveIndividual· Internal Medicine, Nephrology· Wheaton, MD
Internal Medicine, Nephrology (M.D.) in Wheaton, Maryland, trained at University of Michigan Medical School (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $503,172 for 2,971 claims, against $300,560 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 20 companies reporting payments in 2025, $1,095 in all, mostly food and beverage.
Overview
| NPI | 1689672164 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 8, 2005 |
| Last updated in NPPES | Nov 13, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | D0021340 | MD |
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 | 731 |
|---|---|
| Services billed | 3,131 across 18 procedure codes |
| Paid by Medicare | $300,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,971 · 7,443 30-day fills |
|---|---|
| Patients | 444 |
| Total drug cost | $503,172 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Montgomery Renal Associates P.A.Silver Spring, MD · 5 clinicians
Hospital affiliations
- Adventist Healthcare Shady Grove Medical CenterRockville, MD
- Holy Cross Germantown HospitalGermantown, MD
- Holy Cross HospitalSilver Spring, MD
- Medstar Montgomery Medical CenterOlney, MD
- Suburban HospitalBethesda, MD
Other facilities
- Advanced Dialysis Center - RockvilleDialysis facility · Rockville, MD
- Bma - BethesdaDialysis facility · Bethesda, MD
- Davita Germantown DialysisDialysis facility · Germantown, MD
- Davita Rock Creek DialysisDialysis facility · Rockville, MD
- Davita Rockville Dialysis CenterDialysis facility · Rockville, MD
Industry payments (Open Payments)
- 2025$1,095 · 48 payments from 20 companies
- 2024$1,268 · 57 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $142.62 | 7 |
| Amgen Inc. | $125.25 | 5 |
| Calliditas Therapeutics US Inc. | $121.54 | 6 |
| Astrazeneca Pharmaceuticals LP | $90.20 | 4 |
| Otsuka America Pharmaceutical, Inc. | $77.76 | 3 |
What the 2025 payments were for
- Food and Beverage$1,095 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Wheaton
- 1184622631