Doctor profile · Federal record
Dr. John Nelson, M.D.
Family Medicine Physician · Martinez, CA
- NPI 1225468259
- 13 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2500 Alhambra Ave
Martinez, CA 945533156
(925) 370-5000
Credentials & registration
- NPI registered
- November 2013 — 13 yrs on file
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #127704
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225468259. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
129
Distinct HCPCS
4
Medicare allowed
$12,161
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 42 | 40 | $164 | |
99283 |
Emergency department visit with low level of medical decision making | 40 | 38 | $97 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 32 | 29 | $18 | |
99282 |
Emergency department visit with straightforward medical decision making | 15 | 13 | $56 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 99. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$68
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 11 | 0 | $68 |
Frequently asked questions
What is Dr. John Nelson's medical specialty?
Dr. John Nelson practices Family Medicine Physician in Martinez, CA.
Where does Dr. John Nelson practice?
Dr. John Nelson practices at 2500 Alhambra Ave, Martinez, CA 945533156. Office phone: 9253705000.
What is Dr. John Nelson's NPI?
Dr. John Nelson's National Provider Identifier (NPI) is 1225468259, issued by NPPES.
What procedures does Dr. John Nelson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.