NPPES file of Aug 9, 2026

Adam Ching Tanaka, MD, MPH, MS

Ophthalmology Physician · Mission Hills, CA

Adam Ching Tanaka, MD, MPH, MS is an ophthalmology physician with a practice address in Mission Hills, California, and NPI 1902434244, issued on Mar 31, 2020. Check the license (California A194255, 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
1902434244
Name
Adam Ching Tanaka
Credential
MD, MPH, MS
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A194255 CA
Self-reported in NPPES; status is on the state search
Practice location
11550 Indian Hills RD Ste 341, Mission Hills, CA 91345
Phone
(818) 365-0606
Enumerated
Mar 31, 2020
Record last updated
Aug 14, 2025
Medicare enrollment
Enrolled (PECOS I20240515001735); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2020
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 11550 Indian Hills RD Ste 341

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

  1. Samuel Asanad, MDRetina Specialist (Ophthalmology) Physician1194345975
  2. Dennis Sugiyama, O. D.Optometrist1134178155

Verify Adam Ching Tanaka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A194255
    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

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89% fewer Medicare Part D claims than the average ophthalmology physician in 2024

161 Medicare Part D claims for 62 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Adam Tanaka161
  2. Specialty average1,518

Most prescribed

  1. Latanoprost63 claims
  2. Timolol Maleate23 claims
  3. Brimonidine Tartrate13 claims
  4. Prednisolone Acetate13 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: $774.46

15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adam Tanaka$774.46
  2. Specialty average$4,535.02

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. Azul Vision IncMission Hills, CA

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

Adam Ching Tanaka among 2,899 ophthalmology physician records in California

Adam Ching Tanaka, MD, MPH, MS is one of 2,899 ophthalmology physician records with a practice address in California. 79% 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 94% of them.

  • NPI issued2020 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2020 · median 2001 among the 1,907 with a school on file
  • Record last updated2025 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 ophthalmology physician records list a practice address in Mission Hills

They are 9 of the 731 NPPES records with a practice address in Mission Hills, and 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Brian Chang, M.D.Mission Hills, CA 913451629335567
  2. Danny Kim, M.D.Mission Hills, CA 913451700076551
  3. Michael Lynch, MDMission Hills, CA 913451467468462
  4. Derek Mai, M.D.Mission Hills, CA 913451386051423
  5. Steven Rauchman, M.D.Mission Hills, CA 913451497707384
  6. Kayur Shah, MD.Mission Hills, CA 913451215943253
  7. Robert Smyth-Medina, M.D.Mission Hills, CA 913451073565560
  8. Maggie Wei, M.D.Mission Hills, CA 913451730614215

Common questions

What is Adam Ching Tanaka, MD, MPH, MS's NPI number?

Adam Ching Tanaka, MD, MPH, MS's National Provider Identifier (NPI) is 1902434244, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Adam Ching Tanaka, MD, MPH, MS located?

The NPPES record lists a practice address at 11550 Indian Hills RD Ste 341, Mission Hills, CA, 91345. Phone: (818) 365-0606. Providers update this record themselves, so call before visiting.

How can I verify Adam Ching Tanaka, MD, MPH, MS's license?

NPPES lists California license number A194255, 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 Adam Ching Tanaka, MD, MPH, MS prescribe under Medicare Part D?

In 2024, Adam Ching Tanaka, MD, MPH, MS had 161 Medicare Part D claims for 62 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.