Dr. Nancy Dian Olson, MD
- Part D claims, 2024
- 93
- Industry payments
- $263
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 20 York St, New Haven, CT 06510
- Practice phone
- Call (203) 785-1898
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Olson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nancy Dian Olson is a psychiatrist in New Haven, Connecticut
Dr. Olson practices with Northeast Medical Group, a medical group.
Dr. Olson's NPI, 1003832049, was assigned on July 14, 2006. Dr. Olson holds Connecticut license 030070.
- NPI
- 1003832049NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Practice phone
- (203) 785-1898
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Nancy Dian Olson's practice address is in New Haven, Connecticut
Dr. Olson's practice address in the NPI Registry is 20 York St, New Haven, CT 06510, in South Central Ct County. The practice phone is (203) 785-1898.
- NPI Registry address20 York St, New Haven, CT 06510 · South Central Ct CountyPhone(203) 785-1898
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nancy Dian Olson is affiliated with 1 medical group
Dr. Olson is part of Northeast Medical Group, a medical group in Bridgeport, Connecticut.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nancy Dian Olson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northeast Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northeast Medical Group and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nancy Dian Olson is one of 828 psychiatrists in Connecticut
Psychiatry is Dr. Olson's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Olson is licensed in Connecticut.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
Psychiatrists near Dr. Olson
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nancy Dian Olson wrote 93 Medicare Part D claims in 2024
In 2024, Dr. Olson wrote 93 Medicare Part D claims for 12 patients. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $62 in total drug cost. In 2023, CMS named 333 claims across 14 drugs.
Dr. Olson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Olson's Part D claims, 2024
- Antipsychotics, patients 65 and over15%14 of 93 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3332024: 1197%
Drugs named by CMS: 1 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Nancy Dian Olson received $263 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. Olson from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $141.
General payments to Dr. Olson by program year, 2016 to 2023
Companies that paid Dr. Olson the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nancy Dian Olson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nancy Dian Olson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nancy Dian Olson's NPI number?
Dr. Nancy Dian Olson's NPI number is 1003832049. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nancy Dian Olson?
Dr. Nancy Dian Olson is a psychiatrist in New Haven, Connecticut. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Nancy Dian Olson practice?
Dr. Olson practices at 20 York St, New Haven, CT 06510. Dr. Olson's primary practice is Northeast Medical Group, a medical group.
What is Dr. Nancy Dian Olson's office phone number?
The practice phone on file for Dr. Olson is (203) 785-1898.
What is Dr. Nancy Dian Olson's medical license number?
Dr. Olson holds Connecticut license 030070.
What medical group is Dr. Nancy Dian Olson part of?
Dr. Olson is part of Northeast Medical Group in Bridgeport, Connecticut.
What drugs does Dr. Nancy Dian Olson prescribe most?
In 2024 Medicare Part D data, Dr. Olson's most prescribed drugs by claims were Lamotrigine.
Has Dr. Nancy Dian Olson received payments from drug or device companies?
CMS Open Payments shows $263 in general payments to Dr. Olson from 3 companies from 2016 to 2023. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Nancy Dian Olson been practicing?
Dr. Olson's NPI was assigned in 2006.
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