Doctor profile · Federal record
Dr. Steven Tilles, MD
Nephrology Physician (CMS: Internal Medicine) · San Jose, CA
- NPI 1841292745
- Accepts Medicare
- MIPS 53.4 / 100 · 2023
- 48 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2505 Samaritan Dr, Suite 405
San Jose, CA 951244013
(408) 356-8133
fax (408) 356-6923
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- November 11, 2010
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #G40389
- Medicaid
- CA #00G403890
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841292745. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,046
Distinct HCPCS
10
Medicare allowed
$398,500
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 686 | 314 | $154 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 366 | 44 | $338 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 351 | 112 | $135 | |
90937 |
Hemodialysis procedure requiring repeated evaluation | 194 | 53 | $115 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 177 | 132 | $196 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 155 | 27 | $236 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 67 | 67 | $260 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 20 | $214 | |
99239 |
Hospital discharge day management, more than 30 minutes | 17 | 16 | $131 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 13 | 11 | $338 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 133. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$397
Transactions
11
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka America Pharmaceutical, Inc. | 1 | $145.17 | |
| BioCryst US Sales Co., LLC | 5 | $115.71 | |
| Smith+Nephew, Inc. | 1 | $54.70 | |
| Fresenius USA Marketing, Inc. | 2 | $41.57 | |
| CALLIDITAS THERAPEUTICS US INC. | 1 | $19.95 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $19.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,991
Patients
548
Total drug cost
$59,925
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 266 | 73 | $3,759 |
| Amlodipine Besylate | Generic | 252 | 73 | $2,708 |
| Losartan Potassium | Generic | 195 | 59 | $3,306 |
| Furosemide | Generic | 172 | 54 | $1,254 |
| Sevelamer Carbonate | Generic | 140 | 28 | $34,050 |
| Tamsulosin Hcl | Generic | 118 | 23 | $2,064 |
| Metoprolol Succinate | Generic | 105 | 28 | $2,304 |
| Allopurinol | Generic | 104 | 31 | $1,610 |
| Lisinopril | Generic | 104 | 29 | $1,218 |
| Alprazolam | Generic | 101 | 19 | $1,036 |
Hospital affiliations
Frequently asked questions
What is Dr. Steven Tilles's medical specialty?
Dr. Steven Tilles practices Nephrology Physician in San Jose, CA.
Where does Dr. Steven Tilles practice?
Dr. Steven Tilles practices at 2505 Samaritan Dr, San Jose, CA 951244013. Office phone: 4083568133.
What is Dr. Steven Tilles's NPI?
Dr. Steven Tilles's National Provider Identifier (NPI) is 1841292745, issued by NPPES.
Does Dr. Steven Tilles accept Medicare assignment?
Yes. Dr. Steven Tilles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Tilles commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.