IndividualActive
Mary Costello, R.N.
NPI 1770891657 · Registered Nurse · Cleveland, OH
Mary Costello, R.N. is a Registered Nurse provider in Cleveland, OH (NPI 1770891657).
Provider details
- NPI number
- 1770891657
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN.359661 (OH)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
4084 W 56th St
Cleveland, OH 44144-1842
Phone: (216) 799-3597
Street-level locationGet directions
Mailing address
4084 W 56th St
Cleveland, OH 44144-1842
Registry dates
- Enumerated
- 2010-09-14
- Last updated
- 2010-09-14
Frequently asked questions
- What is Mary Costello's NPI number?
- Mary Costello's National Provider Identifier (NPI) is 1770891657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Costello's specialty?
- Mary Costello is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Mary Costello located?
- Mary Costello's practice location on file with NPPES is 4084 W 56th St, Cleveland, OH 44144-1842.
- What is Mary Costello's phone number?
- The practice phone number listed in the NPPES registry for Mary Costello is (216) 799-3597.
- Is Mary Costello's NPI active?
- Yes — Mary Costello's NPI (1770891657) is active in the NPPES registry as of the last update on 2010-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.