DR. MICHAEL JOHN LOPKER JR. M.D., PH.D.
NPI 1730535998
Internal Medicine - Rheumatology in Chicago, IL

Active since May 06, 2016PECOS EnrolledAccepts Medicare Assignment
91.89/100
CMS Quality Rating
240 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: June 11, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 11, 2019, May 24, 2019 (2 updates tracked since 2019).

About Dr. Michael John Lopker Jr. M.d., Ph.d. NPPES

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

DR. MICHAEL JOHN LOPKER JR. M.D., PH.D. (NPI 1730535998) is an individual rheumatology provider in Chicago, Illinois, licensed in Illinois (036.149197) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Hospital, and is a graduate of University Of Alabama School Of Medicine (2016).

NPPES Registry Identity

NPI1730535998
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. MICHAEL JOHN LOPKER JR.Credential: M.D., PH.D.
Location Address240 E HURON STChicago, IL 60611-2909
Mailing Address240 E Huron StChicago, IL 60611-2909
Sole ProprietorYes
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2016
Enumeration DateMay 6, 2016
Last NPPES UpdateJune 11, 20192 updates tracked since enumeration
NPI 1730535998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in IL · 036.149197
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License R75552 (AZ)
240 E HURON ST, Chicago, IL 60611

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. Michael John Lopker Jr. M.d., Ph.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 ID4981995792
PECOS Enrollment IDI20211008001422, I20211008001519
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 9

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.
89 services66 patients
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.
62 services47 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
35 services30 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
30 services26 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
22 services22 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
20 services12 patients

Hospital Affiliations CMS Care Compare

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

University Of Kansas Hospital

Acute Care Hospitals · Kansas City, KS
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number170040
Location4000 Cambridge StreetKansas City, KS 66160 · Wyandotte County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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.

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.

91.89/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.17
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.

Student in an Organized Health Care Education/Training Program
240 E HURON ST
CHICAGO, IL 60611
Internal Medicine (Infectious Disease)
240 E HURON ST, MCGAW PAVILLION SUITE 1-200
CHICAGO, IL 60611
Anesthesiology (Pediatric Anesthesiology)
240 E HURON ST, SUITE 1-200
CHICAGO, IL 60611
Internal Medicine
240 E HURON ST, SUITE 1-200
CHICAGO, IL 60611
Student in an Organized Health Care Education/Training Program
240 E HURON ST, SUITE 1-200
CHICAGO, IL 60611
Student in an Organized Health Care Education/Training Program
240 E HURON ST, SUITE 1-200
CHICAGO, IL 60611
Student in an Organized Health Care Education/Training Program
240 E HURON ST, SUITE 1-200
CHICAGO, IL 60611
Orthopaedic Surgery
240 E HURON ST
CHICAGO, IL 60611

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 Michael Lopker's NPI number?

The NPI number for Michael Lopker is 1730535998. It was assigned to this individual provider in the NPPES registry on May 6, 2016.

Where is Michael Lopker located?

Michael Lopker practices at 240 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.

What is Michael Lopker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Michael Lopker enrolled in Medicare?

Yes. Michael Lopker 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 Michael Lopker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 5 other insurers list Michael Lopker 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 Michael Lopker affiliated with any hospitals?

According to CMS data, Michael Lopker is affiliated with University Of Kansas Hospital.

When was this NPI record last updated?

The NPPES record for Michael Lopker was last updated on June 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.