Harv Rev Psychiatry
DelusionsSchizophreniaSexual Behavior
Dr. Oscar Freer Hills, MD
NPI1578723334
- Part D claims, 2024
- 209
- Publications
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 255 Bradley St, New Haven, CT 06510-1105
- Practice phone
- Call (203) 772-7912
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hills' 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. Oscar Freer Hills is a psychiatrist in New Haven, Connecticut
Dr. Hills practices in New Haven, Connecticut.
Dr. Hills' NPI, 1578723334, was assigned on June 13, 2008. Dr. Hills holds Connecticut license 028269.
NPI and contact details
- NPI
- 1578723334NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2008
- NPI status
- Active
- Practice phone
- (203) 772-7912
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Oscar Freer Hills' practice address is in New Haven, Connecticut
Dr. Hills' practice address in the NPI Registry is 255 Bradley St, New Haven, CT 06510-1105. The practice phone is (203) 772-7912.
- NPI Registry address255 Bradley St, New Haven, CT 06510-1105Phone(203) 772-7912
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Oscar Freer Hills' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hills practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Hills' practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Oscar Freer Hills is one of 828 psychiatrists in Connecticut
Psychiatry is Dr. Hills' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Hills is licensed in Connecticut.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
Psychiatrists near Dr. Hills
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. Oscar Freer Hills' patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Hills' median patient age at 38, with 0% women.
Dr. Hills' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Oscar Freer Hills wrote 209 Medicare Part D claims in 2024
In 2024, Dr. Hills wrote 209 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. CMS names the drug for 142 of them, across 8 drugs with 11 or more claims each, at $2,824 in total drug cost. In 2023, CMS named 166 claims across 9 drugs.
Part D claims, 2024209
Drugs named by CMS8
Total drug cost$2,824
Part D patients15
Dr. Hills' 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. Hills' Part D claims, 2024
- Antipsychotics, patients 65 and over13%28 of 209 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: 1662024: 14214%
Drugs named by CMS: 8 in 2024, 9 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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Dr. Oscar Freer Hills has 1 publication on record
Dmand AI links 1 paper to Dr. Hills. Dr. Hills' most frequent co-authors are Sarah Kathryn Fineberg and Mark J. Viron, MD.
Papers1
Dr. Hills' most frequent co-authors
Recent publications by Dr. Hills
See who Dr. Hills researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hills works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Oscar Freer Hills'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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Oscar Freer Hills
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. Oscar Freer Hills' NPI number?
Dr. Oscar Freer Hills' NPI number is 1578723334. It was assigned on June 13, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Oscar Freer Hills?
Dr. Oscar Freer Hills is a psychiatrist in New Haven, Connecticut. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Oscar Freer Hills practice?
Dr. Hills practices at 255 Bradley St, New Haven, CT 06510-1105.
What is Dr. Oscar Freer Hills' office phone number?
The practice phone on file for Dr. Hills is (203) 772-7912.
What is Dr. Oscar Freer Hills' medical license number?
Dr. Hills holds Connecticut license 028269.
What drugs does Dr. Oscar Freer Hills prescribe most?
In 2024 Medicare Part D data, Dr. Hills' most prescribed drugs by claims were Alprazolam, Clozapine and Methylphenidate ER.
How long has Dr. Oscar Freer Hills been practicing?
Dr. Hills' NPI was assigned in 2008.
Does Dr. Oscar Freer Hills do research?
Dmand AI links 1 publication to Dr. Hills.
Who does Dr. Oscar Freer Hills publish with?
Dr. Hills' most frequent co-authors are Sarah Kathryn Fineberg (1 shared paper) and Mark J. Viron, MD (1 shared paper).
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