NPIMap

Individual provider Active NPI

Hendrik Ryan Lumakang Tan, DPM

  • Foot & Ankle Surgery Podiatrist
  • Ukiah, CA
National Provider Identifier
1316561871
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Foot & Ankle Surgery PodiatristTaxonomy code 213ES0103X
License
E6011 Issued in CA
Practice address
240 Hospital Dr
Ukiah, CA 95482-4558
Phone
(707) 467-5360
NPI assigned
Jun 1, 2020
Last updated
Feb 17, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Foot & Ankle Surgery Podiatrist 213ES0103X E6011 CA Primary

Addresses

Primary practice location

240 Hospital Dr
Ukiah, CA 95482-4558

Mailing address

240 Hospital Dr
Ukiah, CA 95482-4558

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251003003705 CA Practitioner - Podiatry 2567827066 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Podiatry
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Willits Hospital IncGroup PAC ID 7416940697, 67 clinicians
Ukiah Adventist HospitalGroup PAC ID 6406816123, 136 clinicians

Practice addresses (Care Compare)

1 Marcela Dr
Willits, CA 95490-5769
Phone (707) 459-6801

232 Hospital Dr
Suite a
Ukiah, CA 95482-4562
Phone (707) 467-3189

275 Hospital Dr
Ukiah, CA 95482-4531
Phone (707) 462-3111

3 Marcela Dr
Suite D
Willits, CA 95490-5769
Phone (707) 459-4220

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue99
Removal of skin lesions1-10
Removal of nail tissue73
Removal or shaving of skin growth50
Skin biopsy1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
E6011CAMDFoot & Ankle Surgery Podiatrist

Practice roles

OrganizationSpecialtyStatusNew patients
Adventist Health Physicians Network Current Accepting new patients
Adventist Health Physicians Network CurrentSince Oct 16, 2025 Accepting new patients
Ukiah Adventist Hospital CurrentSince Oct 16, 2025 Accepting new patients
Willits Hospital Inc. CurrentSince Oct 16, 2025 Accepting new patients
Adventist Health Physicians Network CurrentSince Oct 16, 2025 Accepting new patients
Ukiah Adventist Hospital CurrentSince Oct 16, 2025 Accepting new patients
Adventist Health Heart Institute-Ukiah Past Accepting new patients

Locations

15322 Lakeshore Dr
Ste 102
Clearlake, CA 95422
Phone (707) 994-2030

15630 18th Ave
Clearlake, CA 95422
Phone (707) 995-5820

2281 Cleveland Ave
Santa Rosa, CA 95403
Phone (707) 544-3337

232 Hospital Dr
Ste A
Ukiah, CA 95482
Phone (707) 463-2121

240 Hospital Dr
Ukiah, CA 95482
Phone (707) 462-1928

275 Hospital Dr
Ukiah, CA 95482
Phone (707) 462-7900

1 Marcela Dr
Willits, CA 95490
Phone (707) 456-3001

Interoperability endpoints

  • Direct secure messaging: htan687289@hisp.ehr.sutterhealth.org

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1590969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1316561871",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "240 HOSPITAL DR",
            "city": "UKIAH",
            "state": "CA",
            "postal_code": "954824558"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "240 HOSPITAL DR",
            "city": "UKIAH",
            "state": "CA",
            "postal_code": "954824558",
            "telephone_number": "707-467-5360"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAN",
        "first_name": "HENDRIK RYAN",
        "middle_name": "LUMAKANG",
        "credential": "DPM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-06-01",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "213ES0103X",
            "taxonomy_group": "",
            "desc": "Podiatrist, Foot & Ankle Surgery",
            "state": "CA",
            "license": "E6011",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ukiah, CA

Sources for this page

Verify at the official NPI Registry.