NPPES file of Aug 9, 2026

Oscar Freer Hills, M.D.

Psychiatry Physician · New Haven, CT

Oscar Freer Hills, M.D. is a psychiatry physician with a practice address in New Haven, Connecticut, and NPI 1578723334, issued on Jun 13, 2008. Check the license (Connecticut 028269, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578723334
Name
Oscar Freer Hills
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
028269 CT
Self-reported in NPPES; status is on the state search
Practice location
255 Bradley St, New Haven, CT 06510
Phone
(203) 772-7912
Enumerated
Jun 13, 2008
Record last updated
May 28, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(203) 772-7912
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 255 Bradley St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Carlson, M.D.Psychiatry Physician1316039993
  2. Joan Wexler, L.C.S.W.Social Worker1962782763

Verify Oscar Freer Hills in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 028269
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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79% fewer Medicare Part D claims than the average psychiatry physician in 2024

209 Medicare Part D claims for 15 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Oscar Hills209
  2. Specialty average1,000

Most prescribed

  1. Alprazolam30 claims
  2. Clozapine24 claims
  3. Methylphenidate Er18 claims
  4. Lorazepam17 claims
  5. Venlafaxine Hcl Er15 claims
  6. Aripiprazole14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

285 psychiatry physician records list a practice address in New Haven

They are 285 of the 9,793 NPPES records with a practice address in New Haven, and 1,174 psychiatry physician records in Connecticut.

Other psychiatry physician records in Connecticut

  1. Enenge A'Bodjedi, MDStamford, CT1952310666
  2. Chadi Abdallah, M.D.West Haven, CT1851591820
  3. Sarah AbdallahNew Haven, CT1740800952
  4. Elie AbdelnourNew Haven, CT1790346070
  5. Yasmeen Abdul-KarimNew Haven, CT1609296292
  6. Jessica Abellard, PSYCHIATRISTNew Haven, CT1881906139
  7. Mariam Aboukar, D.O.New London, CT1013448620
  8. Irene Abramovich, M.D.West Hartford, CT1407864887
  9. Linus Abrams, M.D.Greenwich, CT1073675922
  10. Tia Maria Acosta, M.D.Willimantic, CT1679582167

Common questions

What is Oscar Freer Hills, M.D.'s NPI number?

Oscar Freer Hills, M.D.'s National Provider Identifier (NPI) is 1578723334, issued on Jun 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Oscar Freer Hills, M.D. located?

The NPPES record lists a practice address at 255 Bradley St, New Haven, CT, 06510. Phone: (203) 772-7912. Providers update this record themselves, so call before visiting.

How can I verify Oscar Freer Hills, M.D.'s license?

NPPES lists Connecticut license number 028269, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Oscar Freer Hills, M.D. prescribe under Medicare Part D?

In 2024, Oscar Freer Hills, M.D. had 209 Medicare Part D claims for 15 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.