Srisawai Pattamakom, M.D.
NPI 1114031648ActiveIndividual· Obstetrics & Gynecology· Ventura, CA
Obstetrics & Gynecology (M.D.) with Community Memorial Health System, practicing in Ventura, California. 118 Medicare patients in 2024, $14,346 paid; nearly all of their 367 Part D prescriptions were generic (94%). Sumitomo Pharma America, Inc. was the largest of 10 companies reporting payments in 2025, $659.11 in all, mostly food and beverage. Lists Community Memorial Hospital - Ventura as a hospital affiliation.
Overview
| NPI | 1114031648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Jan 17, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | G080945 | 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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 118 |
|---|---|
| Services billed | 238 across 22 procedure codes |
| Paid by Medicare | $14,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 367 · 591 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $18,801 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Community Memorial Health SystemOxnard, CA · 185 clinicians
Hospital affiliation
- Community Memorial Hospital - VenturaVentura, CA
Industry payments (Open Payments)
- 2025$659.11 · 28 payments from 10 companies
- 2024$766.04 · 31 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $153.30 | 9 |
| Mayne Pharma Commercial LLC | $121.80 | 6 |
| Intuitive Surgical, Inc. | $109.36 | 1 |
| Meditrina | $58.96 | 1 |
| Pfizer Inc. | $42.04 | 2 |
What the 2025 payments were for
- Food and Beverage$659.11 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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