DR. ALEXIS B ROTHENBERG MADDOCKS M.D.
NPI 1992930390
Radiology - Pediatric Radiology in New York, NY

Active since May 28, 2009PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
630 W 168TH ST # MC28, NEW YORK, NY 10032(212) 305-1948 Get Directions Write a Review

NPPES record last updated: May 9, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 9, 2017, Aug 23, 2016 (2 updates tracked since 2016).

About Dr. Alexis B Rothenberg Maddocks M.d. NPPES

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

DR. ALEXIS B ROTHENBERG MADDOCKS M.D. (NPI 1992930390) is an individual pediatric radiology provider in New York, New York, licensed in New York (284380-1) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Childrens Hospital, and is a graduate of New York Medical College (2009).

NPPES Registry Identity

NPI1992930390
Entity TypeIndividualFemale
Primary Taxonomy2085P0229X
Provider Legal NameDR. ALEXIS B ROTHENBERG MADDOCKSCredential: M.D.
Location Address630 W 168TH ST # MC28New York, NY 10032-3725
Mailing Address630 W 168th St # Mc28New York, NY 10032-3725 · (212) 305-1948
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2009
Enumeration DateMay 28, 2009
Last NPPES UpdateMay 9, 20172 updates tracked since enumeration
✔ NPI 1992930390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Pediatric RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085P0229X
License✔ Licensed in NY · 284380-1
Definition
A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 284380 (NY)
630 W 168TH ST # MC28, New York, NY 10032

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. Alexis B Rothenberg Maddocks 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 ID7416236708
PECOS Enrollment IDI20161109000199, I20240515004456
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

8

Medicare enrollment records show Alexis Maddocks reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
622 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 87 clinicians in this Medicare group
Surgery
622 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 3,922 clinicians in this Medicare group
Specialist
722 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 181 clinicians in this Medicare group
Specialist
51 WEST 51ST STREET
New York, NY 10019
  • Reassigned Medicare billing, New York enrollment
  • 232 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
Radiologic Technologist
9500 EUCLID AVE
Cleveland, OH 44195
  • Reassigned Medicare billing, New York enrollment
  • 10 clinicians in this Medicare group
Multi-Specialty
807 CHILDRENS WAY
Jacksonville, FL 32207
  • Reassigned Medicare billing, Florida enrollment
  • 703 clinicians in this Medicare group
Specialist
200 HENRY CLAY AVE
New Orleans, LA 70118
  • Reassigned Medicare billing, Louisiana enrollment
  • 220 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Childrens Hospital

Childrens · New Orleans, LA
OwnershipVoluntary non-profit - Private
CMS Certification Number193300
Location200 Henry Clay AveNew Orleans, LA 70118 · Orleans County
Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

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.

Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032
Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032
Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032
Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032
Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032
Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032
Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032
Radiology (Diagnostic Radiology)
630 W 168TH ST # MC28
NEW YORK, NY 10032

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 Alexis Maddocks's NPI number?

The NPI number for Alexis Maddocks is 1992930390. It was assigned to this individual provider in the NPPES registry on May 28, 2009.

Where is Alexis Maddocks located?

Alexis Maddocks practices at 630 W 168th St # Mc28, New York, NY 10032. The listed phone number is (212) 305-1948.

What is Alexis Maddocks's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Is Alexis Maddocks enrolled in Medicare?

Yes. Alexis Maddocks 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 Alexis Maddocks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Maddocks reassigns Medicare benefits to 8 organizations: Trustees Of Columbia University In The City Of New York (New York, NY), Trustees Of Columbia University In The City Of New York (New York, NY), Columbia/Newyork-Presbyterian Advanced Imaging Inc. (New York, NY), Columbiadoctors/Newyork-Presbyterianimaging (New York, NY), Nemours New Jersey Physician Practice, P.C. (Deptford, NJ) and 3 more organizations, listed in the Medicare section above. 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 Alexis Maddocks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexis Maddocks accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and HMO Louisiana and 1 other insurer list Alexis Maddocks 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.

Is Alexis Maddocks affiliated with any hospitals?

According to CMS data, Alexis Maddocks is affiliated with Childrens Hospital.

When was this NPI record last updated?

The NPPES record for Alexis Maddocks was last updated on May 9, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.