Physician Profile
Unclaimed ProfileAbout O'BRIEN
James Christopher O'Brien, M.D. is a healthcare provider in Farmington, CT specialising in pulmonary disease. James trained at New York Medical College, graduating in 1975. James is also listed as specialising in internal medicine and sleep medicine.
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
Areas of Expertise
Common questions
What does Dr. O'Brien specialise in?
Dr. O'Brien is a pulmonary disease in Farmington, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
Where is Dr. O'Brien located?
Dr. O'Brien is listed at 599 FARMINGTON AVE, Farmington, CT 06032. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. O'Brien's phone number?
The number on file is (860) 284-4950. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Brien's NPI number?
Dr. O'Brien's National Provider Identifier is 1962465070. 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
Where did Dr. O'Brien go to medical school?
Dr. O'Brien attended New York Medical College, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Brien been practising?
Dr. O'Brien has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What does Dr. O'Brien do most often?
According to Medicare billing data, Dr. O'Brien provides treatments such as sleep study including heart rate, breathing, airflow, and effort and sleep study including heart rate, breathing, and sleep time, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (860) 284-4950
- Email not available
Practice Locations
599 FARMINGTON AVE
Farmington, CT 06032
Procedures Most Often Billed to Medicare
117 services · 102 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
46 |
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
30 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Other pulmonary diseases in Farmington 8
Same specialty, same city.
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1975 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
Also performs Sleep study including heart rate, breathing, airflow, and effort 8
Providers in CT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.