Irina Victor Kolomey, D.O.
NPI 1104062173ActiveIndividual· Internal Medicine· Walnut Creek, CA
Internal Medicine (D.O.) in Walnut Creek, California, trained at Touro Un College of Osteopathic Medicine, Vallejo (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $342,325 for 3,269 claims, against $87,125 paid for services in 2024. Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $406.06 in all, mostly food and beverage.
Overview
| NPI | 1104062173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Dec 22, 2008 |
| Last updated in NPPES | Nov 17, 2025 |
| Certified by provider | Nov 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A10625 | CA |
| Internal Medicine, Hospice and Palliative Medicine | 207RH0002X | 20A10625 | CA |
| Preventive Medicine, Obesity Medicine | 2083B0002X | 20A10625 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 123 |
|---|---|
| Services billed | 1,395 across 34 procedure codes |
| Paid by Medicare | $87,125 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,269 · 7,479 30-day fills |
|---|---|
| Patients | 426 |
| Total drug cost | $342,325 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Touro Un College of Osteopathic Medicine, Vallejo |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Osteopathic Manipulative Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- Jmj Home Health ServicesHome health agency · Brentwood, CA
- John Muir Home Health ServicesHome health agency · Concord, CA
- Truemed, IncHome health agency · South San Francisco, CA
- Jmj Hospice Care, Inc.Hospice · Brentwood, CA
Industry payments (Open Payments)
- 2025$406.06 · 18 payments from 5 companies
- 2024$812.42 · 25 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $279.93 | 12 |
| Novo Nordisk Inc | $43.40 | 2 |
| Astrazeneca Pharmaceuticals LP | $36.02 | 2 |
| Glaxosmithkline, LLC. | $26.65 | 1 |
| Exact Sciences Corporation | $20.06 | 1 |
What the 2025 payments were for
- Food and Beverage$406.06 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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