Doctor profile · Federal record
Dr. Thomas Larsen, MD
Family Medicine Physician (CMS: Family Practice) · South Bend, IN
- NPI 1285998146
- Accepts Medicare
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4440 Portage Ave
South Bend, IN 466289570
(574) 204-6200
fax (574) 239-1520
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- September 9, 2015
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Indiana #01075173A
- Medicaid
- IN #201112870
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285998146. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,907
Distinct HCPCS
10
Medicare allowed
$90,364
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 364 | 174 | $119 | |
36415 |
Insertion of needle into vein for collection of blood sample | 282 | 171 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 146 | 127 | $10 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 146 | 146 | $120 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 133 | 115 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 103 | 77 | $83 | |
83036 |
Hemoglobin a1c level | 93 | 62 | $10 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 82 | 59 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 69 | 67 | $13 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 59 | 46 | $16 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 88. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$243
Transactions
12
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Indivior Inc. | 1 | $39.49 | |
| PFIZER INC. | 2 | $36.25 | |
| Supernus Pharmaceuticals, Inc. | 2 | $27.46 | |
| ABBVIE INC. | 1 | $25.93 | |
| Astellas Pharma US Inc | 1 | $25.79 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $19.53 | |
| Lilly USA, LLC | 1 | $18.67 | |
| AstraZeneca Pharmaceuticals LP | 1 | $18.27 | |
| Dexcom, Inc. | 1 | $16.16 | |
| Novo Nordisk Inc | 1 | $15.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,985
Patients
825
Total drug cost
$35,949
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 548 | 153 | $6,592 |
| Amlodipine Besylate | Generic | 452 | 119 | $2,358 |
| Levothyroxine Sodium | Generic | 278 | 73 | $4,585 |
| Losartan Potassium | Generic | 260 | 72 | $3,323 |
| Lisinopril | Generic | 233 | 63 | $1,563 |
| Metformin Hcl | Generic | 147 | 39 | $1,289 |
| Omeprazole | Generic | 146 | 53 | $2,285 |
| Metoprolol Succinate | Generic | 127 | 36 | $2,427 |
| Gabapentin | Generic | 123 | 33 | $1,984 |
| Hydrochlorothiazide | Generic | 119 | 36 | $568 |
Frequently asked questions
What is Dr. Thomas Larsen's medical specialty?
Dr. Thomas Larsen practices Family Medicine Physician in South Bend, IN.
Where does Dr. Thomas Larsen practice?
Dr. Thomas Larsen practices at 4440 Portage Ave, South Bend, IN 466289570. Office phone: 5742046200.
What is Dr. Thomas Larsen's NPI?
Dr. Thomas Larsen's National Provider Identifier (NPI) is 1285998146, issued by NPPES.
Does Dr. Thomas Larsen accept Medicare assignment?
Yes. Dr. Thomas Larsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Larsen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.