Christine Sun
NPI 1003278177 · Internal Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Sun is a Internal Medicine Physician provider in Santa Monica, CA (NPI 1003278177).
Provider details
- NPI number
- 1003278177
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A152487 (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
10 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
1,396 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 302 | $123 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 246 | $32 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 185 | $114 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 157 | $162 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 91 | $120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 67 | 13 |
| Atorvastatin Calcium | 57 | 20 |
| Pantoprazole Sodium | 32 | 17 |
| Rivaroxabanbrand: Xarelto | 30 | — |
| Trazodone Hcl | 30 | — |
| Duloxetine Hcl | 26 | — |
Practice location
Mailing address
Additional practice locations (2)
- 757 Westwood PlzLos Angeles, CA 90095-7419Phone: (310) 825-7375
- 757 Westwood Plz Ste 7501Los Angeles, CA 90095-7419Phone: (310) 267-9643Fax: (310) 267-3840
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2019-10-03
Frequently asked questions
- What is Christine Sun's NPI number?
- Christine Sun's National Provider Identifier (NPI) is 1003278177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Sun's specialty?
- Christine Sun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Sun located?
- Christine Sun's practice location on file with NPPES is 1250 16th St # C2304, Santa Monica, CA 90404.
- What is Christine Sun's phone number?
- The practice phone number listed in the NPPES registry for Christine Sun is (310) 319-4698.
- Does Christine Sun accept Medicare?
- Christine Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Sun's NPI active?
- Yes — Christine Sun's NPI (1003278177) is active in the NPPES registry as of the last update on 2019-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.