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MARK TANCREDI M.D.
NPI 1134581317
Internal Medicine - Pulmonary Disease in Chicago, IL

Active since March 25, 2016PECOS EnrolledAccepts Medicare Assignment
5841 S MARYLAND AVE STE MC6076, CHICAGO, IL 60637(773) 702-9660(773) 834-7068 Get Directions Write a Review

NPPES record last updated: June 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 29, 2021, May 13, 2021, Apr 22, 2021 and 2 more (5 updates tracked since 2016).

About Mark Tancredi M.d. NPPES

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

MARK TANCREDI M.D. (NPI 1134581317) is an individual pulmonary disease provider in Chicago, Illinois, licensed in Illinois (036148931) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1134581317
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameMARK TANCREDICredential: M.D.
Location Address5841 S MARYLAND AVE STE MC6076Chicago, IL 60637-1626
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(773) 702-9660
Fax(773) 834-7068
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 25, 2016
Last NPPES UpdateJune 29, 20215 updates tracked since enumeration
NPPES CertifiedJune 29, 2021
✔ NPI 1134581317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in IL · 036148931
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036148931 (IL)
5841 S MARYLAND AVE STE MC6076, Chicago, IL 60637
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Mark Tancredi 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 ID1658665229
PECOS Enrollment IDI20200603001175
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

2

Medicare enrollment records show Mark Tancredi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center
Same address
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530
Rush University Medical Center
5.3 mi
Internal Medicine
1411 S MICHIGAN AVE
Chicago, IL 60605
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
NPI 1689165540 (312) 563-0654

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 2

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

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140063
Location520 S Maple AveOak Park, IL 60304 · Cook County
Emergency services

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers19 claims19 services$63.84 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

HANNAH DUEHREN MD
Internal Medicine
5841 S MARYLAND AVE STE MC6076
CHICAGO, IL 60637
Cook County (773) 702-9660
SYDNEY RABIN MD
Internal Medicine (Critical Care Medicine)
5841 S MARYLAND AVE STE MC6076
CHICAGO, IL 60637
Cook County (773) 702-9660
DR. KRYSTA WOLFE MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE STE MC6076
CHICAGO, IL 60637
Cook County (773) 702-1447
EVAN SAMUEL MERRYMAN MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE STE MC6076
CHICAGO, IL 60637
Cook County (773) 702-9660
SHREYA PODDER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE STE MC6076
CHICAGO, IL 60637
Cook County (773) 702-9660

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 Mark Tancredi's NPI number?

The NPI number for Mark Tancredi is 1134581317. It was assigned to this individual provider in the NPPES registry on March 25, 2016.

Where is Mark Tancredi located?

Mark Tancredi practices at 5841 S Maryland Ave Ste Mc6076, Chicago, IL 60637. The listed phone number is (773) 702-9660.

What is Mark Tancredi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mark Tancredi enrolled in Medicare?

Yes. Mark Tancredi 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 Mark Tancredi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Tancredi reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and Rush University Medical Center (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 Mark Tancredi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Tancredi accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Mark Tancredi 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 Mark Tancredi affiliated with any hospitals?

According to CMS data, Mark Tancredi is affiliated with Rush Oak Park Hospital and Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Tancredi was last updated on June 29, 2021. 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.