Theodore Chu, M.D.
NPI 1194765123 · Allergy Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Chu, M.D. is a Allergy Physician provider in San Jose, CA (NPI 1194765123).
Provider details
- NPI number
- 1194765123
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G12838 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,991 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,336 | $20 |
| Test for Allergy Using Allergenic Extract95004 | 710 | $5 |
| Professional Service for Multiple Injections of Allergen95117 | 646 | $17 |
| Test to Measure Expiratory Airflow and Volume94010 | 104 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $155 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 104 | 31 |
| Triamcinolone Acetonide | 73 | 28 |
| Azelastine Hcl | 69 | 20 |
| Fluticasone Propionate | 58 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 51 | 20 |
| Budesonide/Formoterol Fumaratebrand: Budesonide-Formoterol Fumarate | 47 | — |
| Fluticasone/Umeclidin/Vilanter |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,693 across 51 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2020-09-16
- Certified
- 2020-09-16
Frequently asked questions
- What is Theodore Chu's NPI number?
- Theodore Chu's National Provider Identifier (NPI) is 1194765123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Chu's specialty?
- Theodore Chu is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Chu located?
- Theodore Chu's practice location on file with NPPES is 130 Bellerose Dr, San Jose, CA 95128-1729.
- What is Theodore Chu's phone number?
- The practice phone number listed in the NPPES registry for Theodore Chu is (408) 816-8923.
- Does Theodore Chu accept Medicare?
- Theodore Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Chu's NPI active?
- Yes — Theodore Chu's NPI (1194765123) is active in the NPPES registry as of the last update on 2020-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.