Doctor profile · Federal record
Dr. Thomas Olsen, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO
- NPI 1235142274
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3660 Vista Ave, Suite 207
Saint Louis, MO 631102540
(314) 977-6100
fax (314) 977-6137 - Mailing address
-
3691 Rutger St, Provider Enrollment
Saint Louis, MO 631102515
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 30, 2009
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #R2C73
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235142274. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
519
Distinct HCPCS
10
Medicare allowed
$50,125
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 133 | 101 | $124 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 117 | 104 | $89 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 88 | 88 | $127 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 56 | 53 | $65 | |
83036 |
Hemoglobin a1c level | 31 | 26 | $10 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 31 | 29 | $93 | |
G0008 |
Administration of influenza virus vaccine | 18 | 18 | $25 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 17 | 17 | $76 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 13 | $176 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 11 | 11 | $51 |
In context: peer comparison
Among 216 peers in this city , average services per provider: 171. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,432
Patients
426
Total drug cost
$16,687
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 164 | 53 | $1,877 |
| Amlodipine Besylate | Generic | 163 | 49 | $1,490 |
| Hydrochlorothiazide | Generic | 160 | 40 | $448 |
| Lisinopril | Generic | 150 | 46 | $1,182 |
| Losartan Potassium | Generic | 97 | 28 | $1,497 |
| Tramadol Hcl | Generic | 92 | 26 | $663 |
| Omeprazole | Generic | 89 | 32 | $1,484 |
| Levothyroxine Sodium | Generic | 82 | 23 | $1,097 |
| Simvastatin | Generic | 81 | 25 | $926 |
| Gabapentin | Generic | 63 | 20 | $1,949 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Olsen's medical specialty?
Dr. Thomas Olsen practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Thomas Olsen practice?
Dr. Thomas Olsen practices at 3660 Vista Ave, Saint Louis, MO 631102540. Office phone: 3149776100.
What is Dr. Thomas Olsen's NPI?
Dr. Thomas Olsen's National Provider Identifier (NPI) is 1235142274, issued by NPPES.
Does Dr. Thomas Olsen accept Medicare assignment?
Yes. Dr. Thomas Olsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Olsen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.