Kathleen M. Costello, C.R.N.P.
Adult Health Nurse Practitioner · Baltimore, MD
Kathleen M. Costello, C.R.N.P. is an adult health nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1740408020, issued on Apr 23, 2007. Check the license (Maryland R069246, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kathleen M. Costello
- Credential
- C.R.N.P.
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- R069246 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 614-1066
- Enumerated
- Apr 23, 2007
- Record last updated
- May 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 502-6736
- Medicaid ID
- 400003000 MD
- Entity
- Type 1 · individual
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen M. Costello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R069246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Adult Health Nurse Practitioner providers in Maryland
There are 902 adult health nurse practitioner records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is Kathleen M. Costello, C.R.N.P.'s NPI number?
Kathleen M. Costello, C.R.N.P.'s National Provider Identifier (NPI) is 1740408020, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen M. Costello, C.R.N.P. located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 614-1066. Providers update this record themselves, so call before visiting.
How can I verify Kathleen M. Costello, C.R.N.P.'s license?
NPPES lists Maryland license number R069246, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.