Doctor profile · Federal record

Dr. Stanley Hwang, MD

Cardiovascular Disease Physician (CMS: Internal Medicine) · Watsonville, CA

  • NPI 1780654525
  • Accepts Medicare
  • MIPS 82.0 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
65 Neilson St Ste 102
Watsonville, CA 950762491
(831) 768-6217
fax (831) 768-6215

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #G58772

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780654525. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,612
Distinct HCPCS
10
Medicare allowed
$142,558
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 817 400 $99
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 189 178 $72
99204 New patient office or other outpatient visit, 45-59 minutes 154 154 $180
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 106 106 $22
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 105 105 $15
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 70 68 $16
93224 Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 40 40 $80
93280 Programming of dual lead pacemaker system 26 16 $92
99441 Telephone medical discussion with physician, 5-10 minutes 19 17 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 18 18 $141

In context: peer comparison

Among 1 peers in Watsonville Cardiovascular Disease Physician, average services per provider: 107. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$84
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Philips North America LLC 2 $83.67

By nature of payment

Food and Beverage
$84

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,399
Patients
459
Total drug cost
$229,579
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 227 75 $4,642
Clonidine Hcl Generic 141 44 $2,759
Atenolol Generic 120 40 $2,025
Furosemide Generic 119 43 $1,421
Losartan Potassium Generic 116 39 $2,150
Amlodipine Besylate Generic 94 32 $1,668
Eliquis (Apixaban) Brand 94 26 $127,114
Carvedilol Generic 89 31 $1,929
Metoprolol Succinate Generic 72 23 $1,809
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 71 20 $3,929

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stanley Hwang's medical specialty?
Dr. Stanley Hwang practices Cardiovascular Disease Physician in Watsonville, CA.
Where does Dr. Stanley Hwang practice?
Dr. Stanley Hwang practices at 65 Neilson St Ste 102, Watsonville, CA 950762491. Office phone: 8317686217.
What is Dr. Stanley Hwang's NPI?
Dr. Stanley Hwang's National Provider Identifier (NPI) is 1780654525, issued by NPPES.
Does Dr. Stanley Hwang accept Medicare assignment?
Yes. Dr. Stanley Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stanley Hwang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.