NPPES file of Aug 9, 2026

Dean Ting-Yuan Chiang, M.D.

Allergy & Immunology Physician · Torrance, CA

Dean Ting-Yuan Chiang, M.D. is an allergy & immunology physician with a practice address in Torrance, California, and NPI 1760484455, issued on Aug 11, 2005. Check the license (California A73856, 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
1760484455
Name
Dean Ting-Yuan Chiang
Credential
M.D.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
A73856 CA
Self-reported in NPPES; status is on the state search
Practice location
3440 Lomita Blvd, Torrance, CA 90505
Phone
(310) 326-3371
Enumerated
Aug 11, 2005
Record last updated
Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(310) 326-2294
Medicare enrollment
Enrolled (PECOS I20040804001865); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1999
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 3440 Lomita Blvd

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

  1. Melika AminiPharmacist1285089516
  2. Jody Aronson, M.D.Obstetrics & Gynecology Physician1205924180
  3. Naomi Arroyo, FNP, MSNFamily Nurse Practitioner1932424462
  4. Sharda Bhasin, M.D.Obstetrics & Gynecology Physician1871517763
  5. Tim Cha, MDNeurology Physician1538267901
  6. Jing Wen Chao, CPNP, MSNPediatric Nurse Practitioner1780869248

Verify Dean Ting-Yuan Chiang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A73856
    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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2.1 times the Medicare Part D claims of the average allergy & immunology physician in 2024

1,547 Medicare Part D claims for 324 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Dean Chiang1,547
  2. Specialty average741

Most prescribed

  1. Azelastine Hcl258 claims
  2. Fluticasone Propionate146 claims
  3. Ipratropium Bromide115 claims
  4. Trelegy Ellipta92 claims
  5. Xolair80 claims
  6. Wixela Inhub69 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: $2,642.99

97 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dean Chiang$2,642.99
  2. Specialty average$8,321.81

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

Bills Medicare through 2 group practices

  1. Allan D Singer MD Inc And Dean T Chiang MD Inc A Medical PartnershipTorrance, CA
  2. Sutter Bay Medical FoundationSoquel, CA

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

Allergy & Immunology Physician providers in California

There are 444 allergy & immunology physician records in California.

Other allergy & immunology physician records in California

  1. Edsel Abud, MD, PHDLa Jolla, CA1891257192
  2. Seema Aceves, M.D., PH.D.San Diego, CA1366511628
  3. Terrie Ahn, MDSanta Monica, CA1093166795
  4. Rhonda Alkatib, M.D.San Diego, CA1417363086
  5. Mercedes Amado, M.D.San Diego, CA1477510287
  6. Loula Amin, M.D.Newport Beach, CA1043452782
  7. A Aminian, M.D.Fresno, CA1508080193
  8. Ali Amirzadeh, M.D.Sacramento, CA1083748685
  9. Lorraine Anderson, MDSanta Monica, CA1013209568
  10. Joshua Ang, DOPasadena, CA1699398016

Common questions

What is Dean Ting-Yuan Chiang, M.D.'s NPI number?

Dean Ting-Yuan Chiang, M.D.'s National Provider Identifier (NPI) is 1760484455, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dean Ting-Yuan Chiang, M.D. located?

The NPPES record lists a practice address at 3440 Lomita Blvd, Torrance, CA, 90505. Phone: (310) 326-3371. Providers update this record themselves, so call before visiting.

How can I verify Dean Ting-Yuan Chiang, M.D.'s license?

NPPES lists California license number A73856, 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 Dean Ting-Yuan Chiang, M.D. prescribe under Medicare Part D?

In 2024, Dean Ting-Yuan Chiang, M.D. had 1,547 Medicare Part D claims for 324 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.