Physician Profile
Unclaimed ProfileAbout O'BRYAN
Listed in the NPI registry as a nurse practitioner, Casey L O'Bryan, NP-C practises in Washington, DC. Casey is also listed as specialising in nurse practitioner — family.
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 is Dr. O'Bryan's specialty?
Dr. O'Bryan is a nurse practitioner in Washington, DC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where can I find Dr. O'Bryan?
Dr. O'Bryan is listed at 1350 CONNECTICUT AVE NW STE 1250, Washington, DC 20036. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Bryan?
The number on file is (888) 663-6331. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Bryan's NPI number?
Dr. O'Bryan's National Provider Identifier is 1891066650. 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. O'Bryan's medical education?
Dr. O'Bryan attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Bryan been practising?
Dr. O'Bryan has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Dr. O'Bryan known for?
According to Medicare billing data, Dr. O'Bryan performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Bryan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Bryan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (888) 663-6331
- Email not available
Practice Locations
1350 CONNECTICUT AVE NW STE 1250
Washington, DC 20036
Procedures Most Often Billed to Medicare
40 services · 26 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 |
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.
Related specialists at this location 4
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.
Other nurse practitioners in Washington 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in DC 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.