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HENDRIK RYAN LUMAKANG TAN DPM
NPI 1316561871
Podiatrist - Foot & Ankle Surgery in Ukiah, CA

Active since June 01, 2020PECOS EnrolledAccepts Medicare Assignment
240 HOSPITAL DR, UKIAH, CA 95482(707) 467-5360 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 11, 2025, Jul 3, 2024, Jul 10, 2023 and 3 more (6 updates tracked since 2020).

About Hendrik Ryan Lumakang Tan Dpm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HENDRIK RYAN LUMAKANG TAN DPM (NPI 1316561871) is an individual foot & ankle surgery provider in Ukiah, California, licensed in California (E6011) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1316561871
Entity TypeIndividualMale
Primary Taxonomy213ES0103X
Provider Legal NameHENDRIK RYAN LUMAKANG TANCredential: DPM
Location Address240 HOSPITAL DRUkiah, CA 95482-4558
Mailing Address240 Hospital DrUkiah, CA 95482-4558
Phone(707) 467-5360
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJune 1, 2020
Last NPPES UpdateFebruary 17, 20266 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2026
✔ NPI 1316561871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers
Taxonomy Code213ES0103X
License✔ Licensed in CA · E6011
240 HOSPITAL DR, Ukiah, CA 95482
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hendrik Ryan Lumakang Tan Dpm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567827066
PECOS Enrollment IDI20230506000287, I20251003003705
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Hendrik Ryan Tan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adventist Health Physicians Network
Same address
Medical Specialty
236 HOSPITAL DR, SUITE B
Ukiah, CA 95482
  • Reassigned Medicare billing, California enrollment
  • 678 clinicians in this Medicare group
NPI 1558789123 (707) 467-5278
Ukiah Adventist Hospital
0.1 mi
General Acute Care Hospital
275 HOSPITAL DR
Ukiah, CA 95482
  • Reassigned Medicare billing, California enrollment
  • 221 clinicians in this Medicare group
NPI 1235120676 (707) 463-7360
Willits Hospital Inc.
27 mi
Critical Access
1 MARCELA DRIVE
Willits, CA 95490
  • Reassigned Medicare billing, California enrollment
  • 134 clinicians in this Medicare group
NPI 1356339543 (707) 459-6801
Adventist Health Clearlake Hospital Inc.
35 mi
Critical Access
15630 18TH AVE
Clearlake, CA 95422
  • Reassigned Medicare billing, California enrollment
  • 182 clinicians in this Medicare group
NPI 1124018031 (707) 994-6486

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
52 services39 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
33 services29 patients
X-ray of foot, minimum of 3 views 73630
An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.
24 services16 patients
Removal of tissue from wound, 20.0 sq cm or less 97597
This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.
15 services12 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KEITH F. KORVER, M.D., INC.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
240 HOSPITAL DR, STE A
UKIAH, CA 95482
Mendocino County (707) 463-2400
SARAH LOUISE ROUSE NP
Nurse Practitioner (Family)
240 HOSPITAL DR
UKIAH, CA 95482
Mendocino County (707) 462-1928
NORTHERN CALIFORNIA MEDICAL ASSOC INC
Internal Medicine (Cardiovascular Disease)
240 HOSPITAL DR, STE B
UKIAH, CA 95482
Mendocino County (707) 463-8070
ADVENTIST HEALTH PHYSICIANS NETWORK
Urology
240 HOSPITAL DR
UKIAH, CA 95482
Mendocino County (707) 462-1928
DR. NAUM SPIEGEL MD
Urology
240 HOSPITAL DR
UKIAH, CA 95482
Mendocino County (707) 462-1928

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hendrik Ryan Tan's NPI number?

The NPI number for Hendrik Ryan Tan is 1316561871. It was assigned to this individual provider in the NPPES registry on June 1, 2020.

Where is Hendrik Ryan Tan located?

Hendrik Ryan Tan practices at 240 Hospital Dr, Ukiah, CA 95482. The listed phone number is (707) 467-5360.

What is Hendrik Ryan Tan's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Hendrik Ryan Tan enrolled in Medicare?

Yes. Hendrik Ryan Tan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Hendrik Ryan Tan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hendrik Ryan Tan reassigns Medicare benefits to 4 organizations: Adventist Health Physicians Network (Ukiah, CA), Ukiah Adventist Hospital (Ukiah, CA), Willits Hospital Inc. (Willits, CA) and Adventist Health Clearlake Hospital Inc. (Clearlake, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hendrik Ryan Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hendrik Ryan Tan accept?

Health plans from CareSource list Hendrik Ryan Tan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hendrik Ryan Tan was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.