Marcia O'Reilly
NPI 1477669448 · Certified Registered Nurse Anesthetist · Warren, MI
Marcia O'Reilly is a Certified Registered Nurse Anesthetist provider in Warren, MI (NPI 1477669448).
Provider details
- NPI number
- 1477669448
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 4704107107 (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
- 2006-08-22
- Last updated
- 2009-10-20
Frequently asked questions
- What is Marcia O'Reilly's NPI number?
- Marcia O'Reilly's National Provider Identifier (NPI) is 1477669448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia O'Reilly's specialty?
- Marcia O'Reilly is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marcia O'Reilly located?
- Marcia O'Reilly's practice location on file with NPPES is 11800 E 12 Mile Rd, Warren, MI 48093-3472.
- What is Marcia O'Reilly's phone number?
- The practice phone number listed in the NPPES registry for Marcia O'Reilly is (586) 573-5261.
- Is Marcia O'Reilly's NPI active?
- Yes — Marcia O'Reilly's NPI (1477669448) is active in the NPPES registry as of the last update on 2009-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.