Theodore J. Chu, M.D.
Allergy Physician · San Jose, CA
Theodore J. Chu, M.D. is an allergy physician with a practice address in San Jose, California, and NPI 1194765123, issued on Jun 7, 2006. Check the license (California G12838, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Theodore J. Chu
- Credential
- M.D.
- Primary taxonomy
- Allergy Physician 207KA0200X
- License number
- G12838 CA
Self-reported in NPPES; status is on the state search - Practice location
- 130 Bellerose Dr, San Jose, CA 95128
- Phone
- (408) 816-8923
- Enumerated
- Jun 7, 2006
- Record last updated
- Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (669) 242-7914
- Medicare enrollment
- Enrolled (PECOS I20050705000702); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1963
- Entity
- Type 1 · individual
Also registered at 130 Bellerose Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Kellogg, M.D., M.S.Allergy Physician1932149697
- Katharine Nelson, MDAllergy & Immunology Physician1497921811
- Anlin Xu, M.D.Allergy Physician1285681007
Verify Theodore J. Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G12838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average allergy physician in 2024
637 Medicare Part D claims for 95 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Montelukast Sodium104 claims
- Triamcinolone Acetonide73 claims
- Azelastine Hcl69 claims
- Fluticasone Propionate58 claims
- Albuterol Sulfate Hfa51 claims
- Budesonide-Formoterol Fumarate47 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: $1,693.24
51 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Allergy Physician providers in California
There are 157 allergy physician records in California.
Other allergy physician records in California
- Shilpi Anand, M.D.Walnut Creek, CA1871556605
- Paula Ardron, MDBakersfield, CA1851468789
- Tania Aung, M.D.Vacaville, CA1760654263
- Julia Bae, MDBakersfield, CA1821169897
- Jeffrey Balduzzi, M.D.Stockton, CA1235405952
- Lori Banka, D.O.Torrance, CA1235419342
- Gillian Bassirpour, MDAliso Viejo, CA1811216765
- Maxine Baum, M.D.Los Angeles, CA1568689594
- Malik Baz, M.D.Fresno, CA1114923307
- William Berger, M.D.Mission Viejo, CA1538260583
Common questions
What is Theodore J. Chu, M.D.'s NPI number?
Theodore J. Chu, M.D.'s National Provider Identifier (NPI) is 1194765123, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodore J. Chu, M.D. located?
The NPPES record lists a practice address at 130 Bellerose Dr, San Jose, CA, 95128. Phone: (408) 816-8923. Providers update this record themselves, so call before visiting.
How can I verify Theodore J. Chu, M.D.'s license?
NPPES lists California license number G12838, 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 Theodore J. Chu, M.D. prescribe under Medicare Part D?
In 2024, Theodore J. Chu, M.D. had 637 Medicare Part D claims for 95 beneficiaries; the average among allergy physician prescribers was 750. 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.