Mary Underdown
NPI 1700310307 · Pediatric Hematology & Oncology Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Underdown is a Pediatric Hematology & Oncology Physician provider in Winston Salem, NC (NPI 1700310307).
Provider details
- NPI number
- 1700310307
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 13409654-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-04-20
- Last updated
- 2024-03-04
- Certified
- 2024-03-04
Frequently asked questions
- What is Mary Underdown's NPI number?
- Mary Underdown's National Provider Identifier (NPI) is 1700310307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Underdown's specialty?
- Mary Underdown is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Underdown located?
- Mary Underdown's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-0001.
- What is Mary Underdown's phone number?
- The practice phone number listed in the NPPES registry for Mary Underdown is (336) 716-2694.
- Does Mary Underdown accept Medicare?
- Mary Underdown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Underdown's NPI active?
- Yes — Mary Underdown's NPI (1700310307) is active in the NPPES registry as of the last update on 2024-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.