Doctor profile · Federal record

Dr. Susan Duan, M.D,

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Los Angeles, CA

  • NPI 1275951261
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 UCLA Medical Plz Ste 490
Los Angeles, CA 900247003
(310) 206-6232
fax (310) 206-8005
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
July 8, 2019
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A156314

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275951261. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
389
Distinct HCPCS
8
Medicare allowed
$35,058
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 215 100 $96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 65 65 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 28 27 $89
G0008 Administration of influenza virus vaccine 22 22 $33
90662 Influenza vaccine split virus, preservative free 16 16 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 16 16 $280
G0009 Administration of pneumococcal vaccine 16 16 $33
81002 Urinalysis, manual test 11 11 $3

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
683
Patients
184
Total drug cost
$13,875
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 111 36 $1,236
Levothyroxine Sodium Generic 79 21 $1,802
Amlodipine Besylate Generic 73 23 $905
Losartan Potassium Generic 62 18 $1,058
Diclofenac Sodium Generic 55 20 $1,995
Metformin Hcl Generic 50 14 $778
Gabapentin Generic 39 16 $855
Lisinopril Generic 29 0 $96
Famotidine Generic 28 11 $670
Metformin Hcl ER (Metformin Hcl) Brand 28 11 $872

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Duan's medical specialty?
Dr. Susan Duan practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Susan Duan practice?
Dr. Susan Duan practices at 100 UCLA Medical Plz Ste 490, Los Angeles, CA 900247003. Office phone: 3102066232.
What is Dr. Susan Duan's NPI?
Dr. Susan Duan's National Provider Identifier (NPI) is 1275951261, issued by NPPES.
Does Dr. Susan Duan accept Medicare assignment?
Yes. Dr. Susan Duan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susan Duan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.