Doctor profile · Federal record

Dr. Christine Sun

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Santa Monica, CA

  • NPI 1003278177
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1250 16Th St # C2304
Santa Monica, CA 90404
(310) 319-4698
fax (310) 319-4908
Additional location
757 Westwood Plz
Los Angeles, CA 900957419
(310) 825-7375
Additional location
757 Westwood Plz Ste 7501
Los Angeles, CA 900957419
(310) 267-9643
fax (310) 267-3840
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
October 3, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A152487

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003278177. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,064
Distinct HCPCS
10
Medicare allowed
$111,775
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 214 70 $127
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 184 90 $116
G0316 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 th 157 82 $33
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 108 77 $166
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 76 73 $186
99239 Hospital discharge day management, more than 30 minutes 73 71 $124
G0317 Prolonged nursing facility 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 the physician or qualifi 60 42 $33
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 49 42 $196
76937 Ultrasonic guidance for blood vessel access 48 36 $15
36410 Insertion of needle into vein (3 years or older) 43 33 $9

In context: peer comparison

Among 58 peers in this city , average services per provider: 97. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
648
Patients
97
Total drug cost
$57,118
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 107 17 $1,342
Gabapentin Generic 82 24 $1,992
Xarelto (Rivaroxaban) Brand 69 0 $18,553
Eliquis (Apixaban) Brand 52 16 $18,295
Mirtazapine Generic 44 0 $658
Famotidine Generic 40 0 $501
Pantoprazole Sodium Generic 35 17 $2,030
Tamsulosin Hcl Generic 34 0 $2,295
Amlodipine Besylate Generic 28 0 $170
Memantine Hcl Generic 28 0 $885

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christine Sun's medical specialty?
Dr. Christine Sun practices Internal Medicine Physician in Santa Monica, CA.
Where does Dr. Christine Sun practice?
Dr. Christine Sun practices at 1250 16Th St # C2304, Santa Monica, CA 90404. Office phone: 3103194698.
What is Dr. Christine Sun's NPI?
Dr. Christine Sun's National Provider Identifier (NPI) is 1003278177, issued by NPPES.
Does Dr. Christine Sun accept Medicare assignment?
Yes. Dr. Christine Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christine Sun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); 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 th (HCPCS G0316). Source: CMS Medicare Physician & Other Practitioners file.