Doctor profile · Federal record
Dr. Thilina Marasinghe, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Antonio, TX
- NPI 1821160938
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2455 Ne Loop 410, Suite 100
San Antonio, TX 782175649
(210) 599-6000
fax (210) 657-5586
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- October 17, 2016
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #M4871
- Medicaid
- TX #199419602
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821160938. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
525
Distinct HCPCS
9
Medicare allowed
$40,622
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 132 | 57 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 116 | 54 | $123 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 106 | 61 | $112 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 74 | 45 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 40 | 29 | $85 | |
90674 |
Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 15 | 15 | $33 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $167 | |
G0008 |
Administration of influenza virus vaccine | 15 | 15 | $30 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 12 | $78 |
In context: peer comparison
Among 172 peers in this city , average services per provider: 137. This provider delivers 3.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,591
Patients
1,092
Total drug cost
$56,635
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 554 | 158 | $7,514 |
| Lisinopril | Generic | 371 | 107 | $3,558 |
| Amlodipine Besylate | Generic | 360 | 111 | $2,116 |
| Levothyroxine Sodium | Generic | 350 | 104 | $8,851 |
| Metformin Hcl | Generic | 287 | 83 | $3,370 |
| Rosuvastatin Calcium | Generic | 258 | 82 | $4,972 |
| Losartan Potassium | Generic | 220 | 66 | $4,726 |
| Omeprazole | Generic | 181 | 56 | $3,942 |
| Montelukast Sodium | Generic | 155 | 48 | $3,229 |
| Simvastatin | Generic | 155 | 51 | $2,035 |
Hospital affiliations
Frequently asked questions
What is Dr. Thilina Marasinghe's medical specialty?
Dr. Thilina Marasinghe practices Internal Medicine Physician in San Antonio, TX.
Where does Dr. Thilina Marasinghe practice?
Dr. Thilina Marasinghe practices at 2455 Ne Loop 410, San Antonio, TX 782175649. Office phone: 2105996000.
What is Dr. Thilina Marasinghe's NPI?
Dr. Thilina Marasinghe's National Provider Identifier (NPI) is 1821160938, issued by NPPES.
Does Dr. Thilina Marasinghe accept Medicare assignment?
Yes. Dr. Thilina Marasinghe accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thilina Marasinghe commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.