Doctor profile · Federal record
Dr. James Tomas, MD
Nephrology Physician (CMS: Nephrology) · San Bernardino, CA
- NPI 1902040819
- Accepts Medicare
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
401 E Highland Ave, Suite 551
San Bernardino, CA 924043803
(909) 882-9150
fax (909) 883-8972 - Mailing address
-
Po Box 54130
Los Angeles, CA 900540130
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- June 24, 2014
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A120476
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902040819. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,499
Distinct HCPCS
10
Medicare allowed
$186,391
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 793 | 228 | $80 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 206 | 32 | $360 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 106 | 94 | $131 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 86 | 45 | $118 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 33 | $115 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 55 | 54 | $171 | |
90935 |
Hemodialysis procedure with physician evaluation | 53 | 42 | $73 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 31 | 27 | $88 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 23 | 12 | $8 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 20 | 11 | $5 |
In context: peer comparison
Among 4 peers in San Bernardino Nephrology Physician, average services per provider: 120. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$147
Transactions
8
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 2 | $58.96 | |
| Opko Pharmaceuticals, LLC | 3 | $44.88 | |
| Akebia Therapeutics INC | 2 | $27.66 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $15.87 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,116
Patients
433
Total drug cost
$1,013,201
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Allopurinol | Generic | 448 | 96 | $6,305 |
| Rayaldee (Calcifediol) | Brand | 350 | 36 | $463,999 |
| Veltassa (Patiromer Calcium Sorbitex) | Brand | 211 | 37 | $231,401 |
| Losartan Potassium | Generic | 138 | 39 | $2,444 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 133 | 14 | $88,692 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 121 | 31 | $106,619 |
| Hydralazine Hcl | Generic | 117 | 30 | $1,691 |
| Auryxia (Ferric Citrate) | Brand | 115 | 24 | $103,842 |
| Amlodipine Besylate | Generic | 95 | 27 | $1,218 |
| Furosemide | Generic | 93 | 28 | $1,435 |
Hospital affiliations
Frequently asked questions
What is Dr. James Tomas's medical specialty?
Dr. James Tomas practices Nephrology Physician in San Bernardino, CA.
Where does Dr. James Tomas practice?
Dr. James Tomas practices at 401 E Highland Ave, San Bernardino, CA 924043803. Office phone: 9098829150.
What is Dr. James Tomas's NPI?
Dr. James Tomas's National Provider Identifier (NPI) is 1902040819, issued by NPPES.
Does Dr. James Tomas accept Medicare assignment?
Yes. Dr. James Tomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Tomas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.