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Edit this profileAt a glance
- 6 Greenwich Office Park, Greenwich, CT 06831
About Keira O'reilly
Listed in the NPI registry as a physician assistant, Keira J. O'Reilly, PA practices in Greenwich, CT. Medicare claims data shows Keira provided 106 services to 98 patients. The services billed most often include cervical or vaginal cancer screening; pelvic and clinical breast examination, assessment of emotional or behavioral problems, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1891378873 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 869-1145
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
6 GREENWICH OFFICE PARK
Greenwich, CT 06831
Procedures Most Often Billed to Medicare
106 services · 98 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Assessment of emotional or behavioral problems | Treatment | 96127 |
29 | As often as other peers in Physician Assistant |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
29 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 | Less often than most peers in Physician Assistant |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
22 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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 physician assistants at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 26 related providers in 4 groups
Other physician assistants in Greenwich 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Assessment of emotional or behavioral problems 5
Providers in CT who bill this service to Medicare most often.
Common questions
What does Keira J. O'Reilly specialize in?
Keira J. O'Reilly is a physician assistant in Greenwich, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Keira J. O'Reilly located?
Keira J. O'Reilly is listed at 6 Greenwich Office Park, Greenwich, CT 06831. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Keira J. O'Reilly's phone number?
The number on file is (203) 869-1145. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Keira J. O'Reilly?
Keira J. O'Reilly's National Provider Identifier is 1891378873. 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 Keira J. O'Reilly train?
Keira J. O'Reilly attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Keira J. O'Reilly have?
Keira J. O'Reilly has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Keira J. O'Reilly do most often?
According to Medicare billing data, Keira J. O'Reilly provides treatments such as assessment of emotional or behavioral problems, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Keira J. O'Reilly's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Keira J. O'Reilly. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.