Physician Profile
Mary Elizabeth Obrien, M.D.
Unclaimed ProfileAbout Dr. Obrien
Mary Elizabeth Obrien, M.D. practices internal medicine in New York, NY. Mary is a 1977 graduate of Harvard Medical School.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (212) 854-9842
- Email not available
Practice Locations
519 W 114TH ST COLUMBIA HEALTH SERVICE MC3601
New York, NY 10027
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 24 related providers in 3 groups
Other internal medicines in New York 8
Same specialty, same city.
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Obrien's specialty?
Dr. Obrien is an internal medicine in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Obrien?
Dr. Obrien is listed at 519 W 114TH ST COLUMBIA HEALTH SERVICE MC3601, New York, NY 10027. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Obrien?
The number on file is (212) 854-9842. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Obrien's NPI number?
Dr. Obrien's National Provider Identifier is 1114079118. 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
What is Dr. Obrien's medical education?
Dr. Obrien attended Harvard Medical School, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Obrien been practicing?
Dr. Obrien has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Obrien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Obrien. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.