IndividualActive
Karen Maddy, RN,C
NPI 1922275353 · Registered Nurse · Baltimore, MD
Karen Maddy, RN,C is a Registered Nurse provider in Baltimore, MD (NPI 1922275353).
Provider details
- NPI number
- 1922275353
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN,C
- Sex
- Female
- Sole proprietor
- No
- License
- R130588 (MD)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
111 Park Ave
Baltimore, MD 21201-3402
Phone: (443) 909-7987
Street-level locationGet directions
Mailing address
1771 Sharwood Pl
Crofton, MD 21114-1924
Registry dates
- Enumerated
- 2008-05-14
- Last updated
- 2008-05-14
Frequently asked questions
- What is Karen Maddy's NPI number?
- Karen Maddy's National Provider Identifier (NPI) is 1922275353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Maddy's specialty?
- Karen Maddy is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Karen Maddy located?
- Karen Maddy's practice location on file with NPPES is 111 Park Ave, Baltimore, MD 21201-3402.
- What is Karen Maddy's phone number?
- The practice phone number listed in the NPPES registry for Karen Maddy is (443) 909-7987.
- Is Karen Maddy's NPI active?
- Yes — Karen Maddy's NPI (1922275353) is active in the NPPES registry as of the last update on 2008-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.