NPPES file of Aug 9, 2026

Hendrik Ryan Lumakang Tan, DPM

Foot & Ankle Surgery Podiatrist · Ukiah, CA

Hendrik Ryan Lumakang Tan, DPM is a foot & ankle surgery podiatrist with a practice address in Ukiah, California, and NPI 1316561871, issued on Jun 1, 2020. Check the license (California E6011, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316561871
Name
Hendrik Ryan Lumakang Tan
Credential
DPM
Primary taxonomy
Foot & Ankle Surgery Podiatrist 213ES0103X
License number
E6011 CA
Self-reported in NPPES; status is on the state search
Practice location
240 Hospital Dr, Ukiah, CA 95482
Phone
(707) 467-5360
Enumerated
Jun 1, 2020
Record last updated
Feb 17, 2026
Medicare enrollment
Enrolled (PECOS I20251003003705); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 240 Hospital Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Rouse, NPFamily Nurse Practitioner1285499749
  2. Naum Spiegel, MDUrology Physician1710973623

Verify Hendrik Ryan Lumakang Tan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license E6011
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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70% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024

101 Medicare Part D claims for 58 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Hendrik Ryan Tan101
  2. Specialty average335

Most prescribed

  1. Doxycycline Hyclate16 claims
  2. Gabapentin15 claims
  3. Cephalexin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $4,508.98

29 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 6,936 providers of this specialty with any payment received $2,972.24 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hendrik Ryan Tan$4,508.98
  2. Specialty average$2,972.24

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Adventist Health Physicians NetworkUkiah, CA
  2. Ukiah Adventist HospitalUkiah, CA
  3. Willits Hospital IncWillits, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hendrik Ryan Lumakang Tan among 1,248 foot & ankle surgery podiatrist records in California

Hendrik Ryan Lumakang Tan, DPM is one of 1,248 foot & ankle surgery podiatrist records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 86% of them.

  • NPI issued2020 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2020 · median 2010 among the 970 with a school on file
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0103X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Foot & Ankle Surgery Podiatrist providers in California

There are 1,248 foot & ankle surgery podiatrist records in California.

The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes

  1. Brett Dupont, DPMSonoma, CA 954761215377635
  2. Pieter Lagaay, D.P.M.Sonoma, CA 954761366544959
  3. Ali Deyhim, DPMEureka, CA 955011851590012
  4. Brian Kaye, DPMLakeport, CA 954531811639131
  5. Matthew McQuaid, DPMLakeport, CA 954531962405613
  6. John Fjerstad, D.P.M.McKinleyville, CA 955191477528313
  7. Joseph Breen, D.P.MArcata, CA 955211467574616
  8. Rachel Hoyal, DPMSanta Rosa, CA 954051598991366

Common questions

What is Hendrik Ryan Lumakang Tan, DPM's NPI number?

Hendrik Ryan Lumakang Tan, DPM's National Provider Identifier (NPI) is 1316561871, issued on Jun 1, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Hendrik Ryan Lumakang Tan, DPM located?

The NPPES record lists a practice address at 240 Hospital Dr, Ukiah, CA, 95482. Phone: (707) 467-5360. Providers update this record themselves, so call before visiting.

How can I verify Hendrik Ryan Lumakang Tan, DPM's license?

NPPES lists California license number E6011, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Hendrik Ryan Lumakang Tan, DPM prescribe under Medicare Part D?

In 2024, Hendrik Ryan Lumakang Tan, DPM had 101 Medicare Part D claims for 58 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.