Matthew Harrison Kanzler, MD
NPI 1629032271ActiveIndividual· Dermatology· Fremont, CA
Dermatology (MD) in Fremont, California, trained at University of Michigan Medical School (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $233,059 for 342 claims, against $55,551 paid for services in 2024. Regeneron Healthcare Solutions, Inc. reported $134.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1629032271 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 12, 2006 |
| Last updated in NPPES | May 28, 2020 |
| Certified by provider | May 28, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | G57056 | CA |
| Dermatology, Dermatopathology | 207ND0900X | G57056 | CA |
| Dermatology, Procedural Dermatology | 207NS0135X | G57056 | 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 - Dermatology (CA); Practitioner - Dermatology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 384 |
|---|---|
| Services billed | 1,756 across 40 procedure codes |
| Paid by Medicare | $55,551 |
Part D prescriptions in 2024
| Prescriptions (claims) | 342 · 468 30-day fills |
|---|---|
| Patients | 149 |
| Total drug cost | $233,059 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Dermatology |
Medical group
- Hawaii Dermatology Centers IncKailua, HI · 12 clinicians
Industry payments (Open Payments)
- 2025$134.99 · 1 payment from 1 company
- 2024$158.21 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $134.99 | 1 |
What the 2025 payments were for
- Food and Beverage$134.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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