Danny Xu, MD
NPI 1821626045 · Hospitalist Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Danny Xu, MD is a Hospitalist Physician provider in Santa Monica, CA (NPI 1821626045).
Provider details
- NPI number
- 1821626045
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A187171 (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 tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
142 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 71 | $179 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 57 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 14 | $119 |
Typical Medicare-allowed amounts for these services range $119–$179 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 757 Westwood PlzLos Angeles, CA 90095-7419Phone: (310) 825-7375
- 3418 Watersedge DrSugar Land, TX 77478-4427Phone: (832) 433-8768
Registry dates
- Enumerated
- 2020-04-01
- Last updated
- 2023-09-25
- Certified
- 2023-09-25
Frequently asked questions
- What is Danny Xu's NPI number?
- Danny Xu's National Provider Identifier (NPI) is 1821626045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Danny Xu's specialty?
- Danny Xu is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Danny Xu located?
- Danny Xu's practice location on file with NPPES is 1250 16th St # C2304, Santa Monica, CA 90404-1249.
- What is Danny Xu's phone number?
- The practice phone number listed in the NPPES registry for Danny Xu is (310) 319-4698.
- Does Danny Xu accept Medicare?
- Danny Xu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Danny Xu's NPI active?
- Yes — Danny Xu's NPI (1821626045) is active in the NPPES registry as of the last update on 2023-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.