Registry data as of Aug 27, 2026

Daniel O Brien, DMD

Dentist · Middletown, NY

Daniel O Brien, DMD is a dentist with a practice address in Middletown, New York, and NPI 1235240334, issued on Aug 31, 2006. Check the license (New York 0344761, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1235240334
Name
Daniel O Brien
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
0344761 NY
Self-reported in NPPES; status is on the state search
Practice location
831 Route 211 East, Middletown, NY 10941
Phone
(845) 692-5311
Enumerated
Aug 31, 2006
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.
Download card Updates feed

Also registered at 831 Route 211 East

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

  1. Barry Fenner, DDSDentist1174634273

Verify Daniel O Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 0344761    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
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Dentist providers in New York

There are 5,790 dentist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,790 in New York → Every provider in Middletown →

Other dentist records in New York

  1. Mario Abati, D.D.S.Bronx, NY1770506123
  2. Igor Abayev, DDSJackson Heights, NY1982797387
  3. Maricelle Abayon, D.M.D.Rochester, NY1174767511
  4. Albana AbaziBrooklyn, NY1912646530
  5. Adam Abdeh, DDSMonroe, NY1639299985
  6. Youssef Abdel-AzizeNew York, NY1700536240
  7. Nora Abdelrahman, DDSDobbs Ferry, NY1417649401
  8. Jamaad AbdiBronx, NY1609458421
  9. Seema Abdullah, DDSBuffalo, NY1427258565
  10. Yitzchok Abed, DDSBronx, NY1437656782

Common questions

What is Daniel O Brien, DMD's NPI number?

Daniel O Brien, DMD's National Provider Identifier (NPI) is 1235240334, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Daniel O Brien, DMD located?

The NPPES record lists a practice address at 831 Route 211 East, Middletown, NY, 10941. Phone: (845) 692-5311. Providers update this record themselves, so call before visiting.

How can I verify Daniel O Brien, DMD's license?

NPPES lists New York license number 0344761, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.