Tamar Hajar, MD
NPI 1821401407ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Portland, OR
Dermatology, MOHS-Micrographic Surgery (MD) with Nw Dermatology and Research Center LLC, practicing in Portland, Oregon. 404 Medicare patients in 2024, $400,883 paid; nearly all of their 380 Part D prescriptions were generic (97%). Janssen Biotech, Inc. was the largest of 10 companies reporting payments in 2025, $536.60 in all, mostly food and beverage. Lists Ohsu Hospital and Clinics as a hospital affiliation.
Overview
| NPI | 1821401407 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2014 |
| Last updated in NPPES | Sep 13, 2022 |
| Certified by provider | Sep 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | MD211720 | OR |
| Dermatology, MOHS-Micrographic Surgery | 207ND0101X | DR.0062107 | CO |
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 - Dermatology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 2,417 across 92 procedure codes |
| Paid by Medicare | $400,883 |
Part D prescriptions in 2024
| Prescriptions (claims) | 380 · 475 30-day fills |
|---|---|
| Patients | 198 |
| Total drug cost | $20,127 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Nw Dermatology and Research Center LLCPortland, OR · 7 clinicians
Hospital affiliation
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$536.60 · 25 payments from 10 companies
- 2024$860.74 · 38 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $163.22 | 6 |
| Abbvie Inc. | $92.60 | 4 |
| Genzyme Corporation | $69.67 | 3 |
| Regeneron Healthcare Solutions, Inc. | $68.12 | 4 |
| Galderma Laboratories, L.P. | $45.51 | 2 |
What the 2025 payments were for
- Food and Beverage$467.61 · 24 payments
- Education$68.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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