Ryan M. Klein, MD
NPI 1184620866ActiveIndividual· Internal Medicine· Newport Beach, CA
Internal Medicine (MD) in Newport Beach, California, trained at University of Southern California Keck School of Medicine (class of 1995). In 2024 Medicare paid $2,224,619 for 510 patients, and Part D covered 7,548 of their prescriptions, 79% of them generic. Genzyme Corporation was the largest of 24 companies reporting payments in 2025, $3,554 in all, mostly food and beverage.
Overview
| NPI | 1184620866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2005 |
| Last updated in NPPES | Jan 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A0661244 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 510 |
|---|---|
| Services billed | 158,263 across 43 procedure codes |
| Paid by Medicare | $2,224,619 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,548 · 14,839 30-day fills |
|---|---|
| Patients | 484 |
| Total drug cost | $1,237,251 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease |
Medical group
- Huntington Beach Internal Medicine Group IncNewport Beach, CA · 3 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Other facilities
- Elegance Healthcare, IncHome health agency · Tarzana, CA
- Hoag Home HealthHome health agency · Newport Beach, CA
- Los Robles HealthcareHome health agency · Thousand Oaks, CA
Industry payments (Open Payments)
- 2025$3,554 · 180 payments from 24 companies
- 2024$3,732 · 183 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $738.86 | 16 |
| Astrazeneca Pharmaceuticals LP | $466.30 | 35 |
| Glaxosmithkline, LLC. | $346.07 | 23 |
| Amgen Inc. | $218.93 | 16 |
| Insmed, Inc. | $214.30 | 19 |
What the 2025 payments were for
- Food and Beverage$3,416 · 177 payments
- Travel and Lodging$138.42 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Newport Beach
- 1831870195
- 1558202937
- 1710338256
- 1033812557
- 1508158783
- 1447741657
- 1528138823
- 1902386642
- 1497444905
- 1326318155
- 1740653195
- 1952590820