Doctor profile · Federal record
Dr. James Hemp, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · San Diego, CA
- NPI 1124006382
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4033 3Rd Ave, Suite 210
San Diego, CA 921032117
(619) 297-5600 - Mailing address
-
10790 Rancho Bernardo RD
San Diego, CA 921275705
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- January 4, 2017
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State license (1)
- California #G53854
- Medicaid
- CA #00G538540
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124006382. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
384
Distinct HCPCS
10
Medicare allowed
$122,738
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99442 |
Telephone medical discussion with physician, 11-20 minutes | 109 | 93 | $97 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 107 | 107 | $176 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 31 | 30 | $179 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 31 | 27 | $61 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 30 | 28 | $61 | |
33361 |
Replacement of aortic valve through the skin and femoral artery | 20 | 20 | $727 | |
33508 |
Harvest of vein using an endoscope | 15 | 15 | $16 | |
33533 |
Coronary artery bypass using artery graft, 1 graft | 14 | 14 | $1,641 | |
35301 |
Removal of blood clot and portion of chest, neck, or brain artery | 14 | 13 | $1,092 | |
33427 |
Radical reconstruction of mitral valve on heart-lung machine | 13 | 13 | $2,388 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 45. This provider delivers 8.5× the peer median.Open Payments
Industry payments received
All-time total
$553
Transactions
9
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ATRICURE, INC. | 3 | $273.77 | |
| Edwards Lifesciences Corporation | 3 | $161.09 | |
| ABIOMED | 1 | $43.90 | |
| W. L. Gore & Associates, Inc. | 1 | $38.97 | |
| HISTOSONICS,INC. | 1 | $35.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
57
Patients
56
Total drug cost
$661
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mupirocin | Generic | 57 | 56 | $661 |
Hospital affiliations
Frequently asked questions
What is Dr. James Hemp's medical specialty?
Dr. James Hemp practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in San Diego, CA.
Where does Dr. James Hemp practice?
Dr. James Hemp practices at 4033 3Rd Ave, San Diego, CA 921032117. Office phone: 6192975600.
What is Dr. James Hemp's NPI?
Dr. James Hemp's National Provider Identifier (NPI) is 1124006382, issued by NPPES.
Does Dr. James Hemp accept Medicare assignment?
Yes. Dr. James Hemp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Hemp commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99442); New patient office or other outpatient visit (HCPCS 99204); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.