DR. CHRISTIN ALEJNIKOV CARROLL M.D.
NPI 1528352069
Pediatrics - Pediatric Critical Care Medicine in Wilmington, DE

Active since June 01, 2011PECOS EnrolledAccepts Medicare Assignment
1600 ROCKLAND RD, WILMINGTON, DE 19803(302) 651-4200(302) 651-4945 Get Directions Write a Review

NPPES record last updated: November 4, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 4, 2020, Aug 12, 2020, Jul 2, 2016 (3 updates tracked since 2016).

About Dr. Christin Alejnikov Carroll M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTIN ALEJNIKOV CARROLL M.D. (NPI 1528352069) is an individual pediatric critical care medicine provider in Wilmington, Delaware, licensed in Delaware (C1-0013790) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Drexel University College Of Medicine (2011).

NPPES Registry Identity

NPI1528352069
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameDR. CHRISTIN ALEJNIKOV CARROLLCredential: M.D.
Location Address1600 ROCKLAND RDWilmington, DE 19803-3607
Mailing AddressPo Box 191Rockland, DE 19732-0191 · (302) 651-4200 · Fax (302) 651-4945
Fax(302) 651-4945
Sole ProprietorNo
Medical School CMSDrexel University College Of MedicineGraduated 2011
Enumeration DateJune 1, 2011
Last NPPES UpdateNovember 4, 20203 updates tracked since enumeration
NPPES CertifiedNovember 4, 2020
✔ NPI 1528352069 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
Licenses✔ Licensed in DE · C1-0013790✔ Licensed in NJ · 25MA10863300
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License 076382 (GA), Q0019 (TX)
1600 ROCKLAND RD, Wilmington, DE 19803

Secondary Practice Locations 2

Location 11405 Clifton Rd NEAtlanta, GA 30322-1060 · Phone (404) 785-6397
Location 21 Cooper PlzCamden, NJ 08103-1461 · Phone (856) 342-2000

Other Identifiers 1

Medicaid335479702TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christin Alejnikov Carroll M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062635402
PECOS Enrollment IDI20200817002498
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Christin Carroll reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1600 ROCKLAND RD
Wilmington, DE 19803
  • Reassigned Medicare billing, Delaware enrollment
  • 526 clinicians in this Medicare group
Pediatrics
1280 ALMONESSON RD
Deptford, NJ 08096
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: Nemours New Jersey Physician Practice PC
  • 183 clinicians in this Medicare group
Pediatrics
3 COOPER PLZ, SUITE 200
Camden, NJ 08103
  • Reassigned Medicare billing, New Jersey enrollment
  • 132 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics (Neonatal-Perinatal Medicine)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Obstetrics & Gynecology
1600 ROCKLAND RD
WILMINGTON, DE 19803
Speech-Language Pathologist
1600 ROCKLAND RD
WILMINGTON, DE 19803
Pediatrics (Pediatric Infectious Diseases)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Radiology (Pediatric Radiology)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Psychologist (Clinical Child & Adolescent)
1600 ROCKLAND RD
WILMINGTON, DE 19803
Nurse Practitioner
1600 ROCKLAND RD
WILMINGTON, DE 19803

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christin Carroll's NPI number?

The NPI number for Christin Carroll is 1528352069. It was assigned to this individual provider in the NPPES registry on June 1, 2011.

Where is Christin Carroll located?

Christin Carroll practices at 1600 Rockland Rd, Wilmington, DE 19803. The listed phone number is (302) 651-4200.

What is Christin Carroll's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Christin Carroll enrolled in Medicare?

Yes. Christin Carroll is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Christin Carroll's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christin Carroll reassigns Medicare benefits to 3 organizations: The Nemours Foundation (Wilmington, DE), Nemours New Jersey Physician Practice, P.C. (Deptford, NJ) and Cooper Pediatric Specialists, PC (Camden, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christin Carroll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christin Carroll accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Christin Carroll as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Christin Carroll was last updated on November 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.