Doctor profile · Federal record
Dr. Richard Chang, M.D.
Interventional Cardiology Physician (CMS: Undefined Physician Type (Specify)) · Internal Medicine Physician · Cardiovascular Disease Physician · Walnut Creek, CA
- NPI 1275669954
- Accepts Medicare
- MIPS 81.8 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1450 Treat Blvd, Suite 220B
Walnut Creek, CA 945972168
(925) 937-1770
fax (925) 937-0630 - Mailing address
-
Dept 34929, P.O. Box 39000
San Francisco, CA 941390001
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- August 11, 2015
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RI0011X — NUCC code
- State license (1)
- California #A83588
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275669954. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
7,692
Distinct HCPCS
10
Medicare allowed
$722,797
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G2066 |
Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec | 1,127 | 127 | $91 | |
93297 |
Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 1,037 | 114 | $29 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 718 | 596 | $9 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 693 | 458 | $212 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 523 | 467 | $18 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 466 | 374 | $152 | |
93296 |
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 460 | 136 | $31 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 380 | 108 | $34 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 230 | 201 | $13 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 183 | 174 | $78 |
In context: peer comparison
Among 5 peers in Walnut Creek Interventional Cardiology Physician, average services per provider: 228. This provider delivers 34× the peer median.Open Payments
Industry payments received
All-time total
$10,765
Transactions
90
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, INC. | 11 | $3,808.17 | |
| Lilly USA, LLC | 2 | $2,031.25 | |
| Biotronik INC. | 12 | $1,017.10 | |
| Abiomed | 7 | $880.02 | |
| Edwards Lifesciences Corporation | 14 | $607.52 | |
| Abbott Laboratories | 8 | $305.83 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 5 | $303.85 | |
| Boston Scientific Corporation | 2 | $268.17 | |
| Novo Nordisk INC | 5 | $173.22 | |
| Philips North America LLC | 6 | $139.72 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $136.40 | |
| Merck Sharp & Dohme LLC | 6 | $121.12 | |
| Inari Medical, INC. | 2 | $117.79 | |
| Atricure, INC. | 4 | $97.07 | |
| Esperion Therapeutics, INC. | 4 | $96.26 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,813
Patients
1,890
Total drug cost
$1,474,679
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 743 | 233 | $23,190 |
| Eliquis (Apixaban) | Brand | 612 | 170 | $834,032 |
| Atorvastatin Calcium | Generic | 603 | 185 | $9,796 |
| Metoprolol Succinate | Generic | 519 | 165 | $9,817 |
| Amlodipine Besylate | Generic | 484 | 156 | $4,670 |
| Carvedilol | Generic | 393 | 129 | $6,483 |
| Furosemide | Generic | 350 | 132 | $2,442 |
| Jardiance (Empagliflozin) | Brand | 323 | 118 | $543,139 |
| Metoprolol Tartrate | Generic | 310 | 100 | $3,025 |
| Losartan Potassium | Generic | 308 | 99 | $5,043 |
Hospital affiliations
Frequently asked questions
What is Dr. Richard Chang's medical specialty?
Dr. Richard Chang practices Interventional Cardiology Physician in Walnut Creek, CA.
Where does Dr. Richard Chang practice?
Dr. Richard Chang practices at 1450 Treat Blvd, Walnut Creek, CA 945972168. Office phone: 9259371770.
What is Dr. Richard Chang's NPI?
Dr. Richard Chang's National Provider Identifier (NPI) is 1275669954, issued by NPPES.
Does Dr. Richard Chang accept Medicare assignment?
Yes. Dr. Richard Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Chang commonly perform?
Top Medicare-reported procedures in 2023: Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec (HCPCS G2066); Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (HCPCS 93297); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.