Ravi Kalyamaraman Aiyer, MD
NPI 1942414123ActiveIndividual· Internal Medicine, Nephrology· Seattle, WA
Internal Medicine, Nephrology (MD) with Swedish Health Services, practicing in Seattle, Washington. Medicare paid $37,107 for services to 83 patients in 2024. Lists Swedish Issaquah and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1942414123 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2007 |
| Last updated in NPPES | Dec 1, 2022 |
| Certified by provider | Dec 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD00045241 | WA |
| Internal Medicine | 207R00000X | MD00045241 | WA |
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 - Internal Medicine (TX); Practitioner - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 413 across 6 procedure codes |
| Paid by Medicare | $37,107 |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
Hospital affiliations
- Swedish IssaquahIssaquah, WA
- Swedish Medical CenterSeattle, WA
- Swedish Medical Center / Cherry HillSeattle, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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