Kathleen Costello, C.R.N.P.
NPI 1740408020 · Adult Health Nurse Practitioner · Baltimore, MD
Kathleen Costello, C.R.N.P. is a Adult Health Nurse Practitioner provider in Baltimore, MD (NPI 1740408020).
Provider details
- NPI number
- 1740408020
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.R.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- R069246 (MD)
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
- 2007-04-23
- Last updated
- 2011-05-20
Frequently asked questions
- What is Kathleen Costello's NPI number?
- Kathleen Costello's National Provider Identifier (NPI) is 1740408020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Costello's specialty?
- Kathleen Costello is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathleen Costello located?
- Kathleen Costello's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Kathleen Costello's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Costello is (410) 614-1066.
- Is Kathleen Costello's NPI active?
- Yes — Kathleen Costello's NPI (1740408020) is active in the NPPES registry as of the last update on 2011-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.