Maryann Diaz Pagulayan-Sy, M.D.
NPI 1700961364ActiveIndividual· Internal Medicine· Porterville, CA
Internal Medicine (M.D.) in Porterville, California, licensed in CA, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $219,115 for 2,868 claims, against $43,446 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2024, $169.43 in all, mostly food and beverage. Lists Kaweah Health Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1700961364 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 25, 2006 |
| Last updated in NPPES | Nov 14, 2021 |
| Certified by provider | Nov 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A56170 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 95 |
|---|---|
| Services billed | 688 across 2 procedure codes |
| Paid by Medicare | $43,446 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,868 · 6,313 30-day fills |
|---|---|
| Patients | 144 |
| Total drug cost | $219,115 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Kaweah Health Medical CenterVisalia, CA
- Sierra View Medical CenterPorterville, CA
Industry payments (Open Payments)
- 2024$169.43 · 4 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $133.18 | 2 |
| Mylan Specialty L.P. | $19.81 | 1 |
| Lilly USA, LLC | $16.44 | 1 |
What the 2024 payments were for
- Food and Beverage$169.43 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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