Daniel Obrien, PA
NPI 1255434155 · Medical Physician Assistant · Detroit, MI
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Obrien, PA is a Medical Physician Assistant provider in Detroit, MI (NPI 1255434155).
Provider details
- NPI number
- 1255434155
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 5601001300 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Daniel Obrien's NPI number?
- Daniel Obrien's National Provider Identifier (NPI) is 1255434155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Obrien's specialty?
- Daniel Obrien is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Daniel Obrien located?
- Daniel Obrien's practice location on file with NPPES is 4646 John R St, Detroit, MI 48201-1916.
- What is Daniel Obrien's phone number?
- The practice phone number listed in the NPPES registry for Daniel Obrien is (313) 576-3724.
- Does Daniel Obrien accept Medicare?
- Daniel Obrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Obrien's NPI active?
- Yes — Daniel Obrien's NPI (1255434155) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.