Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1598708877 Individual Practitioner Male Practitioner

Dr. Mark Paul Leischner , MD

Internal Medicine - Nephrology • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Mark Leischner, MD is a certified Internal Medicine - Nephrology practicing in Chicago, IL. With approximately 25 years of clinical experience since graduating from Loyola University Of Chicago, Stritch School Of Medicine in 2001, Dr. Leischner delivers high-quality medical care to the local community at 2608 W ADDISON ST.

Dr. Leischner is affiliated with Associates In Nephrology Sc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, injection, fentanyl citrate, 0.1 mg, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2608 W Addison St

Chicago, IL 606185905

Telephone 7737563333
Fax 7735253416
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Chicago, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
25 Yrs -0.5 yrs vs City Avg
City Avg: 25.5 Yrs
State Avg: 26.3 Yrs
Regional Practice Density
203 Specialists

Practicing in Chicago, IL (598 Statewide)

Telehealth Adoption Rate
25.1% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
64.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Leischner (25 Years) 25 Yrs
Chicago Specialty Average (25.5 Years) 25.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
8,660 109 $0.50 $0.13
J3010 Injection, fentanyl citrate, 0.1 mg
456 77 $2.00 $0.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
322 157 $331.00 $90.80
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
311 151 $42.00 $15.72
J2250 Injection, midazolam hydrochloride, per 1 mg
254 78 $2.00 $0.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
161 69 $206.00 $75.21
90960 Dialysis services, 4 or more physician visits per month (20 years or older)
129 19 $907.00 $334.49
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes
103 70 $131.00 $47.25
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist
87 62 $3143.00 $1121.83
90961 Dialysis services, 2-3 physician visits per month (20 years or older)
73 25 $754.00 $277.46
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation
62 49 $1844.00 $658.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
44 40 $340.00 $126.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
42 42 $437.00 $163.16
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
30 17 $309.00 $113.65

Medical Specialties & State Licenses

CMS Verified: 2024-11-22
Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License IL 036110702

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
036110702 (IL)

Hospital & Practice Group Affiliations

Associates In Nephrology Sc

2608 W Addison St, Chicago, IL 606185905

Phone: 7737563333

Associates In Nephrology Sc

2913 N Commonwealth Ave, Chicago, IL 606576211

Phone: 7735254501

Associates In Nephrology Sc

331 W Surf St, Chicago, IL 606577227

Phone: 7735254501

Associates In Nephrology Sc

825 W 35th St, Chicago, IL 606091511

Phone: 3126542744

Associates In Nephrology Sc

4800 N Kilpatrick Ave, Chicago, IL 606301725

Phone: 7735453693

Associates In Nephrology Sc

2233 W Division St, Chicago, IL 606228151

Phone: 3127702000

Associates In Nephrology Sc

9000 S Stony Island Ave, Chicago, IL 606173508

Phone: 7735254501

Associates In Nephrology Sc

2620 W Addison St, Chicago, IL 606185905

Phone: 7732480462

Associates In Nephrology Sc

850 W Irving Park Rd, Chicago, IL 606133077

Phone: 3126542721

Associates In Nephrology Sc

2900 N Lake Shore Dr, Chicago, IL 606575640

Phone: 7736653000

Associates In Nephrology Sc

5145 N California Ave, Chicago, IL 606253661

Phone: 7738788200

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Dr. Abdol Hosseinian , MD

Obstetrics & Gynecology

NPI 1811978448

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
NPI Profile Active February 23, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location February 23, 2017

Registered at 2608 W ADDISON ST, CHICAGO, IL 606185905 (Tel: 7737563333)

📍
Updated Business Mailing Address February 23, 2017

Registered at 210 S DESPLAINES ST, CHICAGO, IL 606615500 (Tel: 3126542700)

👤
Provider Name / Credentials Updated February 23, 2017

Recorded as MARK LEISCHNER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 23, 2017

Internal Medicine (License #036110702 in IL)

NPI Profile Active May 09, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location May 09, 2013

Registered at 2800 N SHERIDAN RD, SUITE 304, CHICAGO, IL 606576156 (Tel: 7735254501)

📍
Updated Business Mailing Address May 09, 2013

Registered at 210 S DESPLAINES ST, CHICAGO, IL 606615500 (Tel: 3126542700)

👤
Provider Name / Credentials Updated May 09, 2013

Recorded as MARK LEISCHNER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 09, 2013

Internal Medicine (License #036110702 in IL)

🟢
Initial NPI Registration & Enumeration June 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Mark Leischner. Be the first to share your experience!

Sign in to leave a review for Dr. Mark Leischner

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1598708877
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 14, 2006
Last Update: November 22, 2024
Sole Proprietor: No

Mailing Address

210 S Desplaines St

Chicago, IL 606615500

Phone: 3126542700

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.