Naing Tun Kyaw, MD
NPI 1689784308ActiveIndividual· Internal Medicine, Nephrology· Oceanside, CA
Internal Medicine, Nephrology (MD) with Balboa Nephrology Medical Group Inc, practicing in Oceanside, California. Their prescriptions cost Medicare Part D more than their services did: $684,875 for 2,787 claims, against $179,081 paid for services in 2024. Fresenius USA Marketing, Inc. reported $8,456 in payments in 2025, mostly travel and lodging. Lists Tri-City Medical Center as a hospital affiliation.
Overview
| NPI | 1689784308 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Aug 7, 2026 |
| Certified by provider | Aug 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A 97469 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 299 |
|---|---|
| Services billed | 1,698 across 16 procedure codes |
| Paid by Medicare | $179,081 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,787 · 6,122 30-day fills |
|---|---|
| Patients | 318 |
| Total drug cost | $684,875 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Balboa Nephrology Medical Group IncFountain Valley, CA · 76 clinicians
Hospital affiliation
- Tri-City Medical CenterOceanside, CA
Other facilities
- Fresenius Medical Care Buena CreekDialysis facility · Vista, CA
- Fresenius Medical Care North Coast Kidney CenterDialysis facility · Oceanside, CA
Industry payments (Open Payments)
- 2025$8,456 · 12 payments from 1 company
- 2024$4,210 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $8,456 | 12 |
What the 2025 payments were for
- Travel and Lodging$5,164 · 6 payments
- Consulting Fee$2,400 · 1 payment
- Food and Beverage$870.78 · 4 payments
- Education$21.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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