Ratul Chatterjee, M.D.
NPI 1770597387ActiveIndividual· Internal Medicine· Huntington Beach, CA
Internal Medicine (M.D.) in Huntington Beach, California, trained at University of California, San Francisco School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,571,794 for 14,848 claims, against $513,662 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 7 companies reporting payments in 2025, $868.23 in all, mostly food and beverage.
Overview
| NPI | 1770597387 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Oct 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A79661 | 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 | 364 |
|---|---|
| Services billed | 5,597 across 39 procedure codes |
| Paid by Medicare | $513,662 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,848 · 31,585 30-day fills |
|---|---|
| Patients | 695 |
| Total drug cost | $1,571,794 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Newport Huntington Medical GroupHuntington Beach, CA · 5 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
Other facilities
- Hoag Home HealthHome health agency · Newport Beach, CA
- Lorian HealthHome health agency · Long Beach, CA
- Lorian HealthHome health agency · Riverside, CA
- Hoag Hospice, LLCHospice · Newport Beach, CA
- Reliance Hospice and Palliative CareHospice · Cerritos, CA
- Beachside Nursing CenterNursing home · Huntington Beach, CA
- Crystal Cove Care CenterNursing home · Newport Beach, CA
- Pelican Ridge Post AcuteNursing home · Newport Beach, CA
- Victoria Healthcare and Rehabilitation CenterNursing home · Costa Mesa, CA
Industry payments (Open Payments)
- 2025$868.23 · 12 payments from 7 companies
- 2024$908.95 · 13 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $374.44 | 3 |
| Astrazeneca Pharmaceuticals LP | $239.52 | 2 |
| Phathom Pharmaceuticals, Inc. | $124.26 | 1 |
| Amgen Inc. | $61.11 | 3 |
| Radius Health, Inc. | $28.05 | 1 |
What the 2025 payments were for
- Food and Beverage$868.23 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 71 internal medicine physicians in Huntington Beach · All internal medicine physicians in California