IndividualActive
Irvin Xu, MD
NPI 1275235483 · Internal Medicine Physician · San Diego, CA
Irvin Xu, MD is a Internal Medicine Physician provider in San Diego, CA (NPI 1275235483).
Provider details
- NPI number
- 1275235483
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 206521 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
200 W Arbor Dr # Mc8425
San Diego, CA 92103-1911
Phone: (619) 543-6268
Street-level locationGet directions
Mailing address
4733 W Sunset Blvd Fl 3
Los Angeles, CA 90027-6093
Additional practice locations (1)
- 4733 W Sunset Blvd Fl 3Los Angeles, CA 90027-6093Phone: (833) 574-2273
Registry dates
- Enumerated
- 2023-03-21
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is Irvin Xu's NPI number?
- Irvin Xu's National Provider Identifier (NPI) is 1275235483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irvin Xu's specialty?
- Irvin Xu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irvin Xu located?
- Irvin Xu's practice location on file with NPPES is 200 W Arbor Dr # Mc8425, San Diego, CA 92103-1911.
- What is Irvin Xu's phone number?
- The practice phone number listed in the NPPES registry for Irvin Xu is (619) 543-6268.
- Is Irvin Xu's NPI active?
- Yes — Irvin Xu's NPI (1275235483) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.