Jacob K. Ahdoot, MD
NPI 1952356214ActiveIndividual· Internal Medicine, Nephrology· Irvine, CA
Internal Medicine, Nephrology (MD) in Irvine, California, licensed in CA, with an NPI issued in May 2006. Their prescriptions cost Medicare Part D more than their services did: $1,307,016 for 6,002 claims, against $349,685 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 16 companies reporting payments in 2025, $2,208 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1952356214 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 24, 2006 |
| Last updated in NPPES | Apr 22, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A46389 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 686 |
|---|---|
| Services billed | 2,894 across 17 procedure codes |
| Paid by Medicare | $349,685 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,002 · 14,182 30-day fills |
|---|---|
| Patients | 604 |
| Total drug cost | $1,307,016 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Hoag Orthopedic InstituteIrvine, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Davita Newport Irvine DialysisDialysis facility · Newport Beach, CA
- Davita Saddleback DialysisDialysis facility · Laguna Hills, CA
- Fmc-Newport Mesa Dialysis ServicesDialysis facility · Costa Mesa, CA
- Fresenius Medical Care Mission ViejoDialysis facility · Mission Viejo, CA
- Rai - Laguna Canyon - IrvineDialysis facility · Irvine, CA
- Hoag Home HealthHome health agency · Newport Beach, CA
- Orange County Care Providers, IncHome health agency · Cerritos, CA
Industry payments (Open Payments)
- 2025$2,208 · 89 payments from 16 companies
- 2024$2,260 · 106 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $352.60 | 11 |
| Ardelyx, Inc. | $313.19 | 10 |
| Fresenius USA Marketing, Inc. | $308.57 | 14 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $261.87 | 17 |
| Vifor Pharma, Inc. | $200.39 | 7 |
What the 2025 payments were for
- Food and Beverage$2,108 · 88 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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