NPPES file of Aug 9, 2026

Hanako Yamauchi Farol, D.O.

Radiation Oncology Physician · Los Angeles, CA

Hanako Yamauchi Farol, D.O. is a radiation oncology physician with a practice address in Los Angeles, California, and NPI 1013201789, issued on May 31, 2011. Check the license (California 20A11574, as entered in NPPES) on the Medical Board of California; 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
1013201789
Name
Hanako Yamauchi Farol
Credential
D.O.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
20A11574 CA
Self-reported in NPPES; status is on the state search
Practice location
4950 W Sunset Blvd, Los Angeles, CA 90027
Phone
(323) 783-7571
Enumerated
May 31, 2011
Record last updated
Oct 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20111018000405); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 4950 W Sunset Blvd

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

  1. Aakash Agarwal, D.O.Family Medicine Physician1326319682
  2. Jose Avalos, M.D.Family Medicine Physician1659521359
  3. Lisa Avalos, M.D.Family Medicine Physician1669622361
  4. Brenda Bahk, M.D.Family Medicine Physician1073871950
  5. Jenny Banh, MDInternal Medicine Physician1083984827
  6. Elaine Beals, PHARM DPharmacist1336238567

Verify Hanako Yamauchi Farol in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11574
    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% fewer Medicare Part D claims than the average radiation oncology physician in 2024

70 Medicare Part D claims for 48 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Hanako Farol70
  2. Specialty average134

Most prescribed

  1. Ssd13 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: $30.19

1 payment: food and beverage; the largest payer was Zap Surgical Systems, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hanako Farol$30.19
  2. Specialty average$1,897.85

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

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupOntario, CA

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

Hanako Yamauchi Farol among 735 radiation oncology physician records in California

Hanako Yamauchi Farol, D.O. is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.

  • NPI issued2011 · 69% of these records are older, 29% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2009 · median 2005 among the 545 with a school on file
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Edward Brunngraber, MDLos Angeles, CA 900271891866877
  2. Harry Cosmatos, MDLos Angeles, CA 900271902977978
  3. Michael Girvigian, MDLos Angeles, CA 900271215008289
  4. Barry Goy, MDLos Angeles, CA 900271609947688
  5. Kevin Holland, MDLos Angeles, CA 900271184796419
  6. Julie Hwang, MDLos Angeles, CA 900271396804993
  7. Teri Katz, MDLos Angeles, CA 900271639246457
  8. Kenneth Lodin, MDLos Angeles, CA 900271306913314

Common questions

What is Hanako Yamauchi Farol, D.O.'s NPI number?

Hanako Yamauchi Farol, D.O.'s National Provider Identifier (NPI) is 1013201789, issued on May 31, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Hanako Yamauchi Farol, D.O. located?

The NPPES record lists a practice address at 4950 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-7571. Providers update this record themselves, so call before visiting.

How can I verify Hanako Yamauchi Farol, D.O.'s license?

NPPES lists California license number 20A11574, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hanako Yamauchi Farol, D.O. prescribe under Medicare Part D?

In 2024, Hanako Yamauchi Farol, D.O. had 70 Medicare Part D claims for 48 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.