MRS. MARTA Z SEMEYN APN
NPI 1295162840
Nurse Practitioner - Family in Chicago, IL
About Mrs. Marta Z Semeyn Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARTA Z SEMEYN APN (NPI 1295162840) is an individual family provider in Chicago, Illinois, licensed in Illinois (209010745) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Mrs. Marta Z Semeyn Apn 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.
Medicare Billing Reassignments
3Medicare enrollment records show Marta Semeyn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Chicago, IL 60608
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Mount Sinai Community Foundation
- 646 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 1,047 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.
University Of Illinois Hospital And Clinics
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60622 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
CHICAGO, IL 60622
CHICAGO, IL 60622
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 Marta Semeyn's NPI number?
The NPI number for Marta Semeyn is 1295162840. It was assigned to this individual provider in the NPPES registry on September 27, 2013.
Where is Marta Semeyn located?
Marta Semeyn practices at 2233 W Division St Suite 202, Chicago, IL 60622. The listed phone number is (312) 770-2000.
What is Marta Semeyn's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marta Semeyn enrolled in Medicare?
Yes. Marta Semeyn 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 Marta Semeyn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marta Semeyn reassigns Medicare benefits to 3 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL), Sinai Community Foundation (Chicago, IL) and Cook County (Chicago, IL). 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 Marta Semeyn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marta Semeyn accept?
Health plans from Oscar Health list Marta Semeyn 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 Marta Semeyn affiliated with any hospitals?
According to CMS data, Marta Semeyn is affiliated with University Of Illinois Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Marta Semeyn was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mrs. Marta Z Semeyn, APN · NPI 1295162840
Family physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since September 27, 2013.
## Identity
- **NPI:** 1295162840 (Entity type: Individual)
- **Enumerated:** September 27, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209010745 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2233 W DIVISION ST, SUITE 202, Chicago, IL 60622-8151
- **Phone:** (312) 770-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): The Board Of Trustees Of The University Of Illinois (NPI 1265651434, Chicago, IL); Sinai Community Foundation (NPI 1750672358, Chicago, IL); Cook County (NPI 1861513996, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** March 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1295162840) · Data from the CMS NPPES public registry.