Hendrik Ryan Tan, DPM
NPI 1316561871 · Foot & Ankle Surgery Podiatrist · Ukiah, CA
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hendrik Ryan Tan, DPM is a Foot & Ankle Surgery Podiatrist provider in Ukiah, CA (NPI 1316561871).
Provider details
- NPI number
- 1316561871
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- No
- License
- E6011 (CA)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
135 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 52 | $41 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $84 |
| X-Ray of Foot, Minimum of 3 Views73630 | 24 | $31 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 15 | $92 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $120 |
Typical Medicare-allowed amounts for these services range $31–$120 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 3 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 16 | 12 |
| Gabapentin | 15 | — |
| Cephalexin | 11 | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,509 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-06-01
- Last updated
- 2026-02-17
- Certified
- 2026-02-17
Frequently asked questions
- What is Hendrik Ryan Tan's NPI number?
- Hendrik Ryan Tan's National Provider Identifier (NPI) is 1316561871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hendrik Ryan Tan's specialty?
- Hendrik Ryan Tan is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Hendrik Ryan Tan located?
- Hendrik Ryan Tan's practice location on file with NPPES is 240 Hospital Dr, Ukiah, CA 95482-4558.
- What is Hendrik Ryan Tan's phone number?
- The practice phone number listed in the NPPES registry for Hendrik Ryan Tan is (707) 467-5360.
- Does Hendrik Ryan Tan accept Medicare?
- Hendrik Ryan Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hendrik Ryan Tan's NPI active?
- Yes — Hendrik Ryan Tan's NPI (1316561871) is active in the NPPES registry as of the last update on 2026-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.