Madeline Marcus, MD
NPI 1881616647 · Pediatrics Physician · Seaford, DE
Madeline Marcus, MD is a Pediatrics Physician provider in Seaford, DE (NPI 1881616647).
Provider details
- NPI number
- 1881616647
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G079237 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
- 2006-07-24
- Last updated
- 2018-09-07
Frequently asked questions
- What is Madeline Marcus's NPI number?
- Madeline Marcus's National Provider Identifier (NPI) is 1881616647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeline Marcus's specialty?
- Madeline Marcus is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Madeline Marcus located?
- Madeline Marcus's practice location on file with NPPES is 801 Middleford Rd, Seaford, DE 19973-3636.
- What is Madeline Marcus's phone number?
- The practice phone number listed in the NPPES registry for Madeline Marcus is (302) 629-6611.
- Is Madeline Marcus's NPI active?
- Yes — Madeline Marcus's NPI (1881616647) is active in the NPPES registry as of the last update on 2018-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.