Katherine Mercer
NPI 1235591819 · Pediatric Hematology & Oncology Physician · Greenville, NC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mercer is a Pediatric Hematology & Oncology Physician provider in Greenville, NC (NPI 1235591819).
Provider details
- NPI number
- 1235591819
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA10561200 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-03-23
- Last updated
- 2024-02-21
- Certified
- 2024-02-21
Frequently asked questions
- What is Katherine Mercer's NPI number?
- Katherine Mercer's National Provider Identifier (NPI) is 1235591819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mercer's specialty?
- Katherine Mercer is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Mercer located?
- Katherine Mercer's practice location on file with NPPES is 600 Moye Blvd, Greenville, NC 27834-4300.
- What is Katherine Mercer's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mercer is (252) 744-4676.
- Does Katherine Mercer accept Medicare?
- Katherine Mercer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mercer's NPI active?
- Yes — Katherine Mercer's NPI (1235591819) is active in the NPPES registry as of the last update on 2024-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.