Douglas Olson, M.D.
NPI 1972788792 · Internal Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Olson, M.D. is a Internal Medicine Physician provider in New Haven, CT (NPI 1972788792).
Provider details
- NPI number
- 1972788792
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 048098 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 144 | 19 |
| Rosuvastatin Calcium | 116 | 20 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 109 | 14 |
| Lisinopril | 87 | 14 |
| Atorvastatin Calcium | 74 | 17 |
| Trazodone Hcl | 66 | — |
| Semaglutide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-31
- Last updated
- 2025-12-01
- Certified
- 2025-12-01
Frequently asked questions
- What is Douglas Olson's NPI number?
- Douglas Olson's National Provider Identifier (NPI) is 1972788792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Olson's specialty?
- Douglas Olson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Olson located?
- Douglas Olson's practice location on file with NPPES is 374 Grand Ave, New Haven, CT 06513-3733.
- What is Douglas Olson's phone number?
- The practice phone number listed in the NPPES registry for Douglas Olson is (203) 777-7411.
- Does Douglas Olson accept Medicare?
- Douglas Olson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Olson's NPI active?
- Yes — Douglas Olson's NPI (1972788792) is active in the NPPES registry as of the last update on 2025-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.