Maria Leticia A. De Guzman, MD
NPI 1598843492ActiveIndividual· Pediatrics· Stockton, CA
Pediatrics (MD) in Stockton, California, licensed in CA, with an NPI issued in November 2006. Enrolled in Medicare as practitioner - pediatric medicine. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1598843492 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Dec 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | A64146 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Maria Nenita Deguzman · Owner/Operator | 1128a1 | May 19, 2005 | Cerritos, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 - Pediatric Medicine (CA) |
|---|
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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All 80 pediatricians in Stockton · All pediatricians in California