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ALEJANDRA M MARINELARENA MD PHD
NPI 1831726256
Student in an Organized Health Care Education/Training Program in Chicago, IL

Active since March 25, 2020PECOS Enrolled
251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 26, 2026, Mar 25, 2020 (2 updates tracked since 2020).

About Alejandra M Marinelarena Md Phd NPPES

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

ALEJANDRA M MARINELARENA MD PHD (NPI 1831726256) is an individual student in an organized health care education/training program in Chicago, Illinois and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1831726256
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameALEJANDRA M MARINELARENACredential: MD PHD
Location Address251 E HURON STChicago, IL 60611-3055
Mailing Address251 E Huron StChicago, IL 60611-3055 · (312) 926-2000
Phone(312) 926-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 25, 2020
Last NPPES UpdateMay 26, 20262 updates tracked since enumeration
NPPES CertifiedMay 26, 2026
✔ NPI 1831726256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 036165507 (IL)
251 E HURON ST, Chicago, IL 60611
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Secondary Practice Location 1

Location 1233 E Superior St Fl 1Chicago, IL 60611-2913 · Phone (312) 472-1234 · Fax (312) 472-6300

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alejandra M Marinelarena Md Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173945003
PECOS Enrollment IDI20260602000961
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 Reassignment

Medicare enrollment records show Alejandra Marinelarena reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation
34 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

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.

MARK WANG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611
Cook County (312) 503-8144
DR. MARLEY ANN DOYLE M/D.
Psychiatry & Neurology (Psychiatry)
251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611
Cook County (312) 926-6895
CASSIDY SCHWAB MD
Anesthesiology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 695-0061
SEONG PARK
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
EMMA WALLS GREEVER MD
Emergency Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
NICOLE ELIZABETH TRUPIANO MD
Dermatology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
ASHRAF SAMHAN MD
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
DR. SABINA SPIGNER MD, MS, MPH
Obstetrics & Gynecology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000

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 Alejandra Marinelarena's NPI number?

The NPI number for Alejandra Marinelarena is 1831726256. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Alejandra Marinelarena located?

Alejandra Marinelarena practices at 251 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.

What is Alejandra Marinelarena's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Alejandra Marinelarena enrolled in Medicare?

Yes. Alejandra Marinelarena is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alejandra Marinelarena's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alejandra Marinelarena reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). The 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 Alejandra Marinelarena's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alejandra Marinelarena was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.