Doctor profile · Federal record

Dr. Ruth Hsiao, MD

Hospitalist Physician (CMS: Hospitalist) · San Diego, CA

  • NPI 1174942882
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(619) 471-9186
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
December 8, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A137828

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174942882. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$91
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 11 11 $8

In context: peer comparison

Among 58 peers in San Diego Hospitalist Physician, average services per provider: 101. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$88
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lantheus Medical Imaging, INC. 4 $87.91

By nature of payment

Food and Beverage
$88

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,167
Patients
436
Total drug cost
$181,768
Drug Type Claims Patients Total cost
Pradaxa (Dabigatran Etexilate Mesylate) Brand 189 41 $30,372
Bisoprolol Fumarate Generic 176 74 $5,405
Amlodipine Besylate Generic 87 40 $1,040
Carvedilol Generic 82 32 $968
Spironolactone Generic 82 36 $867
Jardiance (Empagliflozin) Brand 74 37 $48,663
Furosemide Generic 68 34 $880
Rosuvastatin Calcium Generic 63 25 $732
Losartan Potassium Generic 59 20 $668
Atorvastatin Calcium Generic 53 19 $1,003

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruth Hsiao's medical specialty?
Dr. Ruth Hsiao practices Hospitalist Physician in San Diego, CA.
Where does Dr. Ruth Hsiao practice?
Dr. Ruth Hsiao practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 6194719186.
What is Dr. Ruth Hsiao's NPI?
Dr. Ruth Hsiao's National Provider Identifier (NPI) is 1174942882, issued by NPPES.
Does Dr. Ruth Hsiao accept Medicare assignment?
Yes. Dr. Ruth Hsiao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Hsiao commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.