Kathryn Ratanavanich, D.O.
NPI 1801093919ActiveIndividual· Internal Medicine, Nephrology· Washington, DC
Internal Medicine, Nephrology (D.O.) with Montgomery Renal Associates P.A., practicing in Washington, District of Columbia. In 2024 Medicare paid $180,483 for 416 patients, and Part D covered 635 of their prescriptions, 83% of them generic. Novartis Pharmaceuticals Corporation was the largest of 11 companies reporting payments in 2025, $264.28 in all, mostly food and beverage. Lists Adventist Healthcare Shady Grove Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1801093919 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 2, 2007 |
| Last updated in NPPES | Mar 11, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | DO034186 | 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 | 416 |
|---|---|
| Services billed | 1,637 across 17 procedure codes |
| Paid by Medicare | $180,483 |
Part D prescriptions in 2024
| Prescriptions (claims) | 635 · 1,253 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $101,590 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nephrology |
| 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
- Davita Briggs Chaney DialysisDialysis facility · Silver Spring, MD
- Davita Kidney Home Center PdDialysis facility · Windsor Mill, MD
- Davita Rock Creek DialysisDialysis facility · Rockville, MD
Industry payments (Open Payments)
- 2025$264.28 · 11 payments from 11 companies
- 2024$640.34 · 27 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $29.97 | 1 |
| Otsuka America Pharmaceutical, Inc. | $27.76 | 1 |
| Akebia Therapeutics Inc | $26.99 | 1 |
| Amgen Inc. | $26.45 | 1 |
| Scpharmaceuticals Inc. | $25.28 | 1 |
What the 2025 payments were for
- Food and Beverage$264.28 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Washington
- 1043231285
- 1043267016
- 1134206741
- 1174705149
- 1205945565
- 1215008982
- 1245231109
- 1255423752
- 1295902625
- 1336113950
- 1376002345
- 1396743183
All 93 nephrologists in Washington · All nephrologists in District of Columbia