Organization Profile
Robert O'Brien MD & Assoc.
Unclaimed ProfileAbout Robert O'Brien MD & Assoc.
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Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Joseph P. O'Donnell, D.M.D. Pediatric Dentistry
- Lindsay R. McGovern, PA-C Physician Assistant — Medical
- Christina M. Bouboulis, FNP-BC Nurse Practitioner — Family
- Geraldine C. Garcia-Rogers, D.M.D. Pediatric Dentistry
- Laura C. Vitale, M.D. Pediatrics
- Alexandria McGovern, PA-C Physician Assistant
- Edward A. Ryan, MD Ophthalmology
- Sophana Hem, DMD General Practice Dentistry
- William M. Vanneman, M.D. Gastroenterology
- Peter J. Pantano, D.D.S. Dentist
Showing 10 of 48. The full list is in the Related Providers tab.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (781) 729-4878
- Email not available
Practice Locations
955 MAIN ST G6
Winchester, MA 01890
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Robert O'Brien MD & Assoc.'s specialty?
Robert O'Brien MD & Assoc. is a specialist in Winchester, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Robert O'Brien MD & Assoc.?
Robert O'Brien MD & Assoc. is listed at 955 Main St G6, Winchester, MA 01890. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Robert O'Brien MD & Assoc.?
The number on file is (781) 729-4878. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Robert O'Brien MD & Assoc.'s NPI number?
Robert O'Brien MD & Assoc.'s National Provider Identifier is 1598041410. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Has Robert O'Brien MD & Assoc. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Robert O'Brien MD & Assoc.. If this is you, claiming it is free.
Guide.md
Is this your practice?
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.