Doctor profile · Federal record
Dr. David Karp, MD
Internal Medicine Physician (CMS: Internal Medicine) · Riverside, CA
- NPI 1275283780
- Accepts Medicare
- 5 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10800 Magnolia Ave
Riverside, CA 925053043
(833) 574-2273
Credentials & registration
- NPI registered
- March 2022 — 4 yrs on file
- Profile last updated
- August 6, 2025
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A198814
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275283780. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$316
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 2 | $249.99 | |
| Gilead Sciences, INC. | 1 | $35.00 | |
| Ardelyx, INC. | 1 | $16.20 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $15.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$79
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metformin Hcl | Generic | 13 | 0 | $79 |
Frequently asked questions
What is Dr. David Karp's medical specialty?
Dr. David Karp practices Internal Medicine Physician in Riverside, CA.
Where does Dr. David Karp practice?
Dr. David Karp practices at 10800 Magnolia Ave, Riverside, CA 925053043. Office phone: 8335742273.
What is Dr. David Karp's NPI?
Dr. David Karp's National Provider Identifier (NPI) is 1275283780, issued by NPPES.
Does Dr. David Karp accept Medicare assignment?
Yes. Dr. David Karp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.