Tlc Allergy and Asthma Associates Inc
NPI 1003820770 · Allergy & Immunology Physician · Tustin, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tlc Allergy and Asthma Associates Inc is a Allergy & Immunology Physician organization in Tustin, CA (NPI 1003820770).
Provider details
- NPI number
- 1003820770
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Otto Liao, Ceo(714) 838-2617
- License
- A068959 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2020-10-06
- Certified
- 2020-10-06
Frequently asked questions
- What is Tlc Allergy and Asthma Associates Inc's NPI number?
- Tlc Allergy and Asthma Associates Inc's National Provider Identifier (NPI) is 1003820770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tlc Allergy and Asthma Associates Inc?
- Tlc Allergy and Asthma Associates Inc is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Tlc Allergy and Asthma Associates Inc located?
- Tlc Allergy and Asthma Associates Inc's practice location on file with NPPES is 1076 E 1st St Ste B, Tustin, CA 92780-3852.
- What is Tlc Allergy and Asthma Associates Inc's phone number?
- The practice phone number listed in the NPPES registry for Tlc Allergy and Asthma Associates Inc is (714) 838-2617.
- Does Tlc Allergy and Asthma Associates Inc accept Medicare?
- Tlc Allergy and Asthma Associates Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Tlc Allergy and Asthma Associates Inc?
- The authorized official listed on Tlc Allergy and Asthma Associates Inc's NPPES record is Otto Liao, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tlc Allergy and Asthma Associates Inc's NPI active?
- Yes — Tlc Allergy and Asthma Associates Inc's NPI (1003820770) is active in the NPPES registry as of the last update on 2020-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.