Doctor profile · Federal record

Dr. Cindy Siu, M.D.

Family Medicine Physician (CMS: Family Practice) · Milford, DE

  • NPI 1346635943
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Jefferson Ave
Milford, DE 199631800
(302) 536-2580
fax (302) 725-5778
Mailing address
Po Box 629
Milford, DE 199630629

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
May 2, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Delaware #C7-0005890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346635943. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,474
Distinct HCPCS
10
Medicare allowed
$266,345
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,107 503 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 437 267 $90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 360 360 $129
G0444 Annual depression screening, 5 to 15 minutes 123 123 $19
99203 New patient office or other outpatient visit, 30-44 minutes 122 122 $112
81003 Automated urinalysis test 79 65 $2
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 62 58 $15
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 38 35 $23
99496 Transitional care management services for problem of high complexity 33 30 $274
96372 Injection of drug or substance under skin or into muscle 27 11 $14

In context: peer comparison

Among 3 peers in this city , average services per provider: 112. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$576
Transactions
15
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 6 $399.25
Lilly USA, LLC 3 $61.23
Astellas Pharma US Inc 2 $39.52
Novo Nordisk Inc 2 $32.76
PFIZER INC. 1 $26.06
Bayer Healthcare Pharmaceuticals Inc. 1 $16.73

By nature of payment

Food and Beverage
$576

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,269
Patients
811
Total drug cost
$34,133
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 346 121 $6,622
Levothyroxine Sodium Generic 307 111 $5,017
Lisinopril Generic 228 84 $2,035
Amlodipine Besylate Generic 187 71 $1,726
Losartan Potassium Generic 144 51 $2,032
Hydrochlorothiazide Generic 122 42 $709
Pravastatin Sodium Generic 115 38 $2,058
Omeprazole Generic 112 47 $2,290
Sertraline Hcl Generic 110 33 $1,354
Gabapentin Generic 107 37 $1,946

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cindy Siu's medical specialty?
Dr. Cindy Siu practices Family Medicine Physician in Milford, DE.
Where does Dr. Cindy Siu practice?
Dr. Cindy Siu practices at 301 Jefferson Ave, Milford, DE 199631800. Office phone: 3025362580.
What is Dr. Cindy Siu's NPI?
Dr. Cindy Siu's National Provider Identifier (NPI) is 1346635943, issued by NPPES.
Does Dr. Cindy Siu accept Medicare assignment?
Yes. Dr. Cindy Siu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cindy Siu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.