Hendrik Ryan Lumakang Tan, DPM
NPI 1316561871ActiveIndividual· Podiatrist, Foot & Ankle Surgery· Ukiah, CA
Podiatrist, Foot & Ankle Surgery (DPM) with Adventist Health Physicians Network and 2 other groups, practicing in Ukiah, California. 88 Medicare patients in 2024, $13,561 paid; nearly all of their 101 Part D prescriptions were generic (97%). Smith+nephew, Inc. was the largest of 7 companies reporting payments in 2025, $637.30 in all, mostly food and beverage. Lists Adventist Health Clearlake and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1316561871 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DPM |
| Sole proprietor | No |
| NPI issued | Jun 1, 2020 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Podiatrist, Foot & Ankle Surgery Primary | 213ES0103X | E6011 | 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 - Podiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 231 across 40 procedure codes |
| Paid by Medicare | $13,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 101 · 105 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $4,873 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Podiatry |
Medical groups
- Adventist Health Physicians NetworkSaint Helena, CA · 628 clinicians
- Ukiah Adventist HospitalUkiah, CA · 135 clinicians
- Willits Hospital IncWillits, CA · 67 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health Howard MemorialWillits, CA
- Adventist Health Mendocino CoastFort Bragg, CA
- Adventist Health St HelenaSaint Helena, CA
- Adventist Health Ukiah ValleyUkiah, CA
Industry payments (Open Payments)
- 2025$637.30 · 23 payments from 7 companies
- 2024$4,509 · 29 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $313.29 | 10 |
| Stryker Corporation | $203.12 | 6 |
| Paratek Pharmaceuticals, Inc. | $36.73 | 2 |
| Biotissue Holdings Inc. | $32.47 | 1 |
| Orthofix Medical, Inc. | $22.10 | 2 |
What the 2025 payments were for
- Food and Beverage$637.30 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Podiatrist, Foot & Ankle Surgery providers in Ukiah
- 1508735762
- 1871329375
All Podiatrist, Foot & Ankle Surgery providers in California