Cristina Gesmundo, DO
NPI 1659807154ActiveIndividual· Family Medicine· Castro Valley, CA
Family Medicine (DO) in Castro Valley, California, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $176,660 for 2,891 claims, against $100,763 paid for services in 2024. Novo Nordisk Inc reported $119.07 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1659807154 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 4, 2017 |
| Last updated in NPPES | Apr 29, 2024 |
| Certified by provider | Apr 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A17198 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 340 |
|---|---|
| Services billed | 1,491 across 33 procedure codes |
| Paid by Medicare | $100,763 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,891 · 6,561 30-day fills |
|---|---|
| Patients | 385 |
| Total drug cost | $176,660 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- University Healthcare AlliancePleasanton, CA · 327 clinicians
Hospital affiliations
- Eden Medical CenterCastro Valley, CA
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Other facilities
- A1 Pro Home Health Inc.Home health agency · San Leandro, CA
- Blc Homehealth IncHome health agency · San Leandro, CA
- Healthflex Home Health ServicesHome health agency · Oakland, CA
- Sutter Care at HomeHome health agency · Concord, CA
- Warm Springs Home Health, IncHome health agency · Fremont, CA
Industry payments (Open Payments)
- 2025$119.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $119.07 | 1 |
What the 2025 payments were for
- Food and Beverage$119.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 family medicine physicians in Castro Valley · All family medicine physicians in California