Daniel L O'Brien, D.O. practises family practice in Lakewood, CO. Daniel is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. O'Brien is a family practice in Lakewood, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Dr. O'Brien is listed at 8383 W ALAMEDA AVE, Lakewood, CO 80226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (303) 338-4545. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. O'Brien's National Provider Identifier is 1144404120. 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
Dr. O'Brien attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Dr. O'Brien has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. O'Brien provides treatments such as sarscv2 vac 30mcg trs-suc im and admn sarscov2 vacc 1 dose. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
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
Source: NPPES NPI Registry
8383 W ALAMEDA AVE
Lakewood, CO 80226
26 services · 26 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
13 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in CO 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.