Doctor profile · Federal record
Dr. John Baker, M.D.
Interventional Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Santa Ana, CA
- NPI 1124022850
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
801 N Tustin Ave Ste 706
Santa Ana, CA 927053611
(714) 568-6600
fax (714) 245-0260 - Mailing address
-
Po Box 51626
Irvine, CA 926191626
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- February 26, 2020
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RI0011X — NUCC code
- State license (1)
- California #G65259
- Medicaid
- CA #GR0095890
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124022850. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,863
Distinct HCPCS
9
Medicare allowed
$75,838
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,203 | 898 | $9 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 261 | 90 | $83 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 140 | 137 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 81 | 45 | $95 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 78 | 75 | $182 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 31 | 30 | $16 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 26 | 25 | $222 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 23 | 23 | $137 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $122 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 215. This provider delivers 8.7× the peer median.Open Payments
Industry payments received
All-time total
$465
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 2 | $244.56 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $124.99 | |
| AstraZeneca Pharmaceuticals LP | 1 | $62.38 | |
| Kestra Medical Technology Services, Inc. | 1 | $19.49 | |
| Novartis Pharmaceuticals Corporation | 1 | $13.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,214
Patients
416
Total drug cost
$397,314
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 183 | 48 | $205,481 |
| Amlodipine Besylate | Generic | 131 | 52 | $1,593 |
| Losartan Potassium | Generic | 124 | 45 | $2,504 |
| Labetalol Hcl | Generic | 123 | 38 | $4,861 |
| Metoprolol Succinate | Generic | 100 | 42 | $2,427 |
| Metoprolol Tartrate | Generic | 91 | 31 | $833 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 82 | 19 | $75,514 |
| Entresto (Sacubitril/Valsartan) | Brand | 58 | 22 | $96,749 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 54 | 18 | $1,371 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 50 | 15 | $1,159 |
Hospital affiliations
Frequently asked questions
What is Dr. John Baker's medical specialty?
Dr. John Baker practices Interventional Cardiology Physician in Santa Ana, CA.
Where does Dr. John Baker practice?
Dr. John Baker practices at 801 N Tustin Ave Ste 706, Santa Ana, CA 927053611. Office phone: 7145686600.
What is Dr. John Baker's NPI?
Dr. John Baker's National Provider Identifier (NPI) is 1124022850, issued by NPPES.
Does Dr. John Baker accept Medicare assignment?
Yes. Dr. John Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Baker commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.