Doctor profile · Federal record
Dr. Douglas Olson, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · New Haven, CT
- NPI 1972788792
- Accepts Medicare
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
374 Grand Ave
New Haven, CT 065133733
(203) 777-7411
Credentials & registration
- NPI registered
- December 2007 — 19 yrs on file
- Profile last updated
- December 1, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #048098
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972788792. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$148
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 2 | $59.58 | |
| Merck Sharp & Dohme LLC | 2 | $46.55 | |
| ViiV Healthcare Company | 1 | $23.56 | |
| Abbott Laboratories | 1 | $18.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,004
Patients
122
Total drug cost
$1,460,959
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 156 | 16 | $634,198 |
| Dovato (Dolutegravir Sodium/Lamivudine) | Brand | 126 | 16 | $383,590 |
| Lisinopril | Generic | 107 | 18 | $867 |
| Atorvastatin Calcium | Generic | 74 | 16 | $943 |
| Ozempic (Semaglutide) | Brand | 66 | 12 | $74,423 |
| Amlodipine Besylate | Generic | 59 | 15 | $312 |
| Gabapentin | Generic | 59 | 0 | $707 |
| Meloxicam | Generic | 55 | 15 | $262 |
| Rosuvastatin Calcium | Generic | 50 | 14 | $691 |
| Trazodone Hcl | Generic | 45 | 0 | $336 |
Frequently asked questions
What is Dr. Douglas Olson's medical specialty?
Dr. Douglas Olson practices Internal Medicine Physician in New Haven, CT.
Where does Dr. Douglas Olson practice?
Dr. Douglas Olson practices at 374 Grand Ave, New Haven, CT 065133733. Office phone: 2037777411.
What is Dr. Douglas Olson's NPI?
Dr. Douglas Olson's National Provider Identifier (NPI) is 1972788792, issued by NPPES.
Does Dr. Douglas Olson accept Medicare assignment?
Yes. Dr. Douglas Olson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.