Doctor profile · Federal record

Dr. Betty Siu, MD

Internal Medicine Physician (CMS: Internal Medicine) · Waldorf, MD

  • NPI 1073609038
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3510 Old Washington RD, Suite #100
Waldorf, MD 206023233
(301) 609-5200
fax (301) 609-5220

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D0062287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073609038. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
424
Distinct HCPCS
5
Medicare allowed
$51,712
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 295 109 $129
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 36 36 $130
99215 Established patient office or other outpatient visit, 40-54 minutes 33 29 $176
99213 Established patient office or other outpatient visit, 20-29 minutes 31 28 $89
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 29 26 $15

In context: peer comparison

Among 17 peers in this city , average services per provider: 170. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
299
Patients
15
Total drug cost
$3,180
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 36 0 $498
Rosuvastatin Calcium Generic 26 0 $477
Sertraline Hcl Generic 25 0 $278
Amlodipine Besylate Generic 24 0 $127
Hydrochlorothiazide Generic 22 0 $79
Levofloxacin Generic 22 15 $82
Lisinopril Generic 22 0 $166
Montelukast Sodium Generic 22 0 $274
Simvastatin Generic 20 0 $339
Atorvastatin Calcium Generic 19 0 $182

Frequently asked questions

Auto-generated from federal data
What is Dr. Betty Siu's medical specialty?
Dr. Betty Siu practices Internal Medicine Physician in Waldorf, MD.
Where does Dr. Betty Siu practice?
Dr. Betty Siu practices at 3510 Old Washington RD, Waldorf, MD 206023233. Office phone: 3016095200.
What is Dr. Betty Siu's NPI?
Dr. Betty Siu's National Provider Identifier (NPI) is 1073609038, issued by NPPES.
Does Dr. Betty Siu accept Medicare assignment?
Yes. Dr. Betty Siu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Betty Siu 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 99215). Source: CMS Medicare Physician & Other Practitioners file.