Jennifer Maria Imparato, DO
NPI 1770786469ActiveIndividual· Internal Medicine, Nephrology· Whittier, CA
Internal Medicine, Nephrology (DO) with Whittier Internal Medicine and Nephrology Medical Group Inc, practicing in Whittier, California. Their prescriptions cost Medicare Part D more than their services did: $227,919 for 1,959 claims, against $147,257 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 6 companies reporting payments in 2025, $205.18 in all, mostly food and beverage. Lists Pih Health Downey Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1770786469 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 8, 2007 |
| Last updated in NPPES | Aug 25, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 20A9838 | CA |
| Internal Medicine | 207R00000X | 20A9838 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 368 |
|---|---|
| Services billed | 1,719 across 24 procedure codes |
| Paid by Medicare | $147,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,959 · 4,158 30-day fills |
|---|---|
| Patients | 324 |
| Total drug cost | $227,919 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Whittier Internal Medicine and Nephrology Medical Group IncWhittier, CA · 7 clinicians
Hospital affiliations
- Pih Health Downey HospitalDowney, CA
- Pih Health Hospital-WhittierWhittier, CA
- Whittier Hospital Medical CenterWhittier, CA
Other facilities
- Davita Lambert DialysisDialysis facility · Whittier, CA
- Davita Santa Fe Springs DialysisDialysis facility · Whittier, CA
- Presbyterian Intercommunity Hospital Home HealthHome health agency · La Mirada, CA
- Presbyterian IntercommunityInpatient rehabilitation facility · Whittier, CA
- Barlow Respiratory HospitalLong-term care hospital · Los Angeles, CA
- Kindred Hospital -- la MiradaLong-term care hospital · La Mirada, CA
- Presbyterian Intercomm Hosp Dp/SnfNursing home · Whittier, CA
Industry payments (Open Payments)
- 2025$205.18 · 8 payments from 6 companies
- 2024$159.69 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $59.39 | 2 |
| Otsuka America Pharmaceutical, Inc. | $57.10 | 2 |
| Travere Therapeutics, Inc. | $34.49 | 1 |
| Novo Nordisk Inc | $22.69 | 1 |
| Amgen Inc. | $17.05 | 1 |
What the 2025 payments were for
- Food and Beverage$205.18 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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