Dathan Hamann, M.D.
NPI 1760801070ActiveIndividual· Dermatology· Phoenix, AZ
Dermatology (M.D.) in Phoenix, Arizona, trained at University of Arizona College of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $289,275 for 584 claims, against $143,039 paid for services in 2024. Pfizer Inc. was the largest of 20 companies reporting payments in 2025, $30,300 in all, mostly consulting fees.
Overview
| NPI | 1760801070 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2014 |
| Last updated in NPPES | Mar 22, 2021 |
| Certified by provider | Mar 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 54501 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 8,874 across 56 procedure codes |
| Paid by Medicare | $143,039 |
Part D prescriptions in 2024
| Prescriptions (claims) | 584 · 721 30-day fills |
|---|---|
| Patients | 238 |
| Total drug cost | $289,275 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Dermatology |
Medical group
- Saguaro Dermatology Associates LLCMesa, AZ · 13 clinicians
Industry payments (Open Payments)
- 2025$30,300 · 127 payments from 20 companies
- 2024$19,294 · 90 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $25,014 | 20 |
| Incyte Corporation | $2,724 | 7 |
| Galderma Laboratories, L.P. | $368.68 | 11 |
| Leo Pharma Inc. | $263.52 | 13 |
| Regeneron Healthcare Solutions, Inc. | $257.39 | 7 |
What the 2025 payments were for
- Consulting Fee$20,000 · 3 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,250 · 2 payments
- Food and Beverage$3,074 · 119 payments
- Travel and Lodging$966.58 · 2 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other dermatologists in Phoenix
- 1013457662
- 1043620065
- 1063619484
- 1073585402
- 1083621148
- 1083637359
- 1093827362
- 1134192859
- 1164403010
- 1174260822
- 1174546444
- 1225598675
All 103 dermatologists in Phoenix · All dermatologists in Arizona