DR. DEIMANTE MARIA TAMKUS M.D.
NPI 1881624906
Internal Medicine - Medical Oncology in Chicago, IL

Active since July 04, 2006PECOS EnrolledAccepts Medicare Assignment
84.57/100
CMS Quality Rating
1950 W POLK ST, CHICAGO, IL 60612(312) 864-6000 Get Directions Write a Review

NPPES record last updated: April 30, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 30, 2021, Aug 28, 2020, Jun 25, 2020 and 1 more (4 updates tracked since 2016).

About Dr. Deimante Maria Tamkus M.d. NPPES

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

DR. DEIMANTE MARIA TAMKUS M.D. (NPI 1881624906) is an individual medical oncology provider in Chicago, Illinois, licensed in Illinois (036-106485) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1881624906
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. DEIMANTE MARIA TAMKUSCredential: M.D.
Location Address1950 W POLK STChicago, IL 60612-3723
Mailing Address1950 W Polk StChicago, IL 60612-3723 · (312) 864-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJuly 4, 2006
Last NPPES UpdateApril 30, 20214 updates tracked since enumeration
NPPES CertifiedApril 30, 2021
NPI 1881624906 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in IL · 036-106485
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036-106485 (IL)
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 036-106485 (IL)
1950 W POLK ST, Chicago, IL 60612

Other Identifiers 2

Medicaid1881624906MI
Medicaid4886651MI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Deimante Maria Tamkus 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 ID1951304559
PECOS Enrollment IDI20190611001937
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
84 services36 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services18 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
16 services15 patients

Hospital Affiliations CMS Care Compare 2

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

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140124
Location1901 W Harrison StChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Provident Hospital Of Chicago

Acute Care Hospitals · Chicago, IL
OwnershipGovernment - Local
CMS Certification Number140300
Location500 E 51st StChicago, IL 60615 · Cook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
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.

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.

84.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.25
Promoting Interoperability100
Improvement Activities40
Cost67

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
87%286 patients3/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%140 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
10%441 patients1/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
100%441 patients5/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
26%441 patients2/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
48%441 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Podiatrist (Foot & Ankle Surgery)
1950 W POLK ST
CHICAGO, IL 60612
Nurse Anesthetist, Certified Registered
1950 W POLK ST
CHICAGO, IL 60612
Internal Medicine
1950 W POLK ST
CHICAGO, IL 60612
Ophthalmology
1950 W POLK ST
CHICAGO, IL 60612
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1950 W POLK ST, SUITE 4811, JOHN H STROGER HOSPITAL OF COOK COUNTY
CHICAGO, IL 60612
Family Medicine
1950 W POLK ST
CHICAGO, IL 60612
Urology
1950 W POLK ST
CHICAGO, IL 60612
Family Medicine
1950 W POLK ST
CHICAGO, IL 60612

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 Deimante Tamkus's NPI number?

The NPI number for Deimante Tamkus is 1881624906. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Deimante Tamkus located?

Deimante Tamkus practices at 1950 W Polk St, Chicago, IL 60612. The listed phone number is (312) 864-6000.

What is Deimante Tamkus's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Deimante Tamkus enrolled in Medicare?

Yes. Deimante Tamkus 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.

What insurance does Deimante Tamkus accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Deimante Tamkus 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 Deimante Tamkus affiliated with any hospitals?

According to CMS data, Deimante Tamkus is affiliated with John H Stroger Jr Hospital and Provident Hospital Of Chicago.

When was this NPI record last updated?

The NPPES record for Deimante Tamkus was last updated on April 30, 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.