Daniel M. O Brien, DMD

General Practice Dentistry · Middletown, NY

Individual Active NPI

NPI number 1235240334

Practice location

831 Route 211 East
Middletown, NY 10941
Phone
(845) 692-5311
Fax
(845) 692-6778

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NPI record

NPI
1235240334
Entity type
Individual (Type 1)
Enumeration date
August 31, 2006
Last updated
September 11, 2025
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
General Practice Dentistry Primary 1223G0001X 0344761 NY
Dentist 122300000X 0344761 NY

About Dr. O Brien

Daniel M. O Brien, DMD is a healthcare provider registered in the NPI registry with the primary taxonomy General Practice Dentistry (code 1223G0001X). The practice location is 831 Route 211 East, Middletown, NY 10941. The NPI number 1235240334 was assigned on August 31, 2006 and the record was last updated on September 11, 2025.

Dr. O Brien lists 2 licenses in the registry: #0344761 (NY) for General Practice Dentistry; #0344761 (NY) for Dentist. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Daniel M. O Brien, DMD?

The NPI number is 1235240334.

What is the phone number of Dr. O Brien?

The phone number listed for the practice location is (845) 692-5311.

Where is Dr. O Brien located?

831 Route 211 East, Middletown, NY 10941.

What is the taxonomy code for Dr. O Brien?

The primary taxonomy code is 1223G0001X – General Practice Dentistry; 1 more listed above.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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