Barbara Marker, NURSE PRACTITIONER
NPI 1134158116 · Ambulatory Women's Health Care Registered Nurse · Dover, DE
Barbara Marker, NURSE PRACTITIONER is a Ambulatory Women's Health Care Registered Nurse provider in Dover, DE (NPI 1134158116).
Provider details
- NPI number
- 1134158116
- Entity type
- Individual
- Primary specialty
- Ambulatory Women's Health Care Registered NurseNursing Service Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- No
- License
- LH-0000111 (DE)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-07-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Marker's NPI number?
- Barbara Marker's National Provider Identifier (NPI) is 1134158116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Marker's specialty?
- Barbara Marker is listed in the NPPES registry with a primary specialty of Ambulatory Women's Health Care Registered Nurse (Nursing Service Providers).
- Where is Barbara Marker located?
- Barbara Marker's practice location on file with NPPES is 805 S Governors Ave, Dover, DE 19904-4158.
- What is Barbara Marker's phone number?
- The practice phone number listed in the NPPES registry for Barbara Marker is (302) 678-5200.
- Is Barbara Marker's NPI active?
- Yes — Barbara Marker's NPI (1134158116) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.