Maria Enrica Diaz Pagtalunan, MD
NPI 1629175310ActiveIndividual· Internal Medicine, Nephrology· Berkeley, CA
Internal Medicine, Nephrology (MD) with East Bay Nephrology Medical Group Inc, practicing in Berkeley, California. In 2024 Medicare paid $275,499 for 381 patients, and Part D covered 851 of their prescriptions, 68% of them generic. Bayer Healthcare Pharmaceuticals Inc. was the largest of 4 companies reporting payments in 2025, $215.85 in all, mostly food and beverage. Lists Alta Bates Summit Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1629175310 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 17, 2006 |
| Last updated in NPPES | May 29, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A48370 | 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 | 381 |
|---|---|
| Services billed | 1,688 across 37 procedure codes |
| Paid by Medicare | $275,499 |
Part D prescriptions in 2024
| Prescriptions (claims) | 851 · 1,849 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $217,569 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- East Bay Nephrology Medical Group IncSan Pablo, CA · 31 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Contra Costa Regional Medical CenterMartinez, CA
- Providence Queen of the Valley Medical CenterNapa, CA
- Sutter Solano Medical CenterVallejo, CA
Other facilities
- Davita Alvarado Park Home TrainingDialysis facility · San Pablo, CA
- Davita El Cerrito DialysisDialysis facility · El Cerrito, CA
- Davita El Sobrante DialysisDialysis facility · San Pablo, CA
- Davita Pinole Dialysis CenterDialysis facility · Pinole, CA
- Davita Richmond DialysisDialysis facility · Richmond, CA
Industry payments (Open Payments)
- 2025$215.85 · 12 payments from 4 companies
- 2024$161.09 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $74.04 | 3 |
| Novartis Pharmaceuticals Corporation | $52.85 | 3 |
| Fresenius USA Marketing, Inc. | $47.99 | 2 |
| Travere Therapeutics, Inc. | $40.97 | 4 |
What the 2025 payments were for
- Food and Beverage$215.85 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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