Nicholas Tan, DO
NPI 1114424777 · Pediatrics Physician · Orange, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Tan, DO is a Pediatrics Physician provider in Orange, CA (NPI 1114424777).
Provider details
- NPI number
- 1114424777
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A21378 (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
8 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
- 2018-04-10
- Last updated
- 2023-08-15
- Certified
- 2023-08-15
Frequently asked questions
- What is Nicholas Tan's NPI number?
- Nicholas Tan's National Provider Identifier (NPI) is 1114424777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Tan's specialty?
- Nicholas Tan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Tan located?
- Nicholas Tan's practice location on file with NPPES is 1201 W La Veta Ave, Orange, CA 92868-4203.
- What is Nicholas Tan's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Tan is (715) 583-6810.
- Does Nicholas Tan accept Medicare?
- Nicholas Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Tan's NPI active?
- Yes — Nicholas Tan's NPI (1114424777) is active in the NPPES registry as of the last update on 2023-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.