Active NPI 1033310909 Individual Practitioner Male Practitioner

Dr. Konstantin Umanskiy , MD

Colon & Rectal Surgery • Chicago, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Konstantin Umanskiy, MD is a certified Colon & Rectal Surgery practicing in Chicago, IL. With approximately 26 years of clinical experience since completing medical education in 2000, Dr. Umanskiy delivers high-quality medical care to the local community at 5841 S MARYLAND AVE.

Dr. Umanskiy maintains professional affiliations with University Of Chicago, The University Of Chicago Medical Center and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, closure of large or small bowel opening with bowel removal and reattachment. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5841 S Maryland Ave
Mc 5095

Chicago, IL 606371447

Telephone 7737022026

Fax 7738341995

Associated Practice Facility / Clinic

🏢 University Of Chicago Facility NPI 1821048786

Medicare Profile & Education

Medical School

Other

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Chicago, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs +6.4 yrs vs City Avg

City Avg: 19.6 Yrs

State Avg: 24.6 Yrs

Regional Practice Density

45 Specialists

Practicing in Chicago, IL (99 Statewide)

Telehealth Adoption Rate

22.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

76.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Umanskiy (26 Years) 26 Yrs

Chicago Specialty Average (19.6 Years) 19.6 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
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	32	$197.00	$38.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$419.00	$91.30
99213 Established patient office or other outpatient visit, typically 15 minutes	24	21	$251.00	$72.38
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$322.00	$51.88
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$177.35	$62.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	74	59	$190.32	$38.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$399.88	$89.92
99213 Established patient office or other outpatient visit, typically 15 minutes	47	37	$242.83	$70.45
99202 New patient office or other outpatient visit, typically 20 minutes	28	28	$315.25	$51.54
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$171.25	$60.22
44625 Closure of large or small bowel opening with bowel removal and reattachment	11	11	$8207.00	$1092.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	50	$181.32	$39.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$385.71	$91.47
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$296.85	$53.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	17	$165.80	$61.51
99213 Established patient office or other outpatient visit, typically 15 minutes	18	17	$244.67	$72.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	60	47	$176.08	$38.93
99213 Established patient office or other outpatient visit, typically 15 minutes	41	38	$222.78	$73.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$374.75	$91.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$159.40	$60.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$532.00	$148.92
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$289.64	$54.26
44160 Partial removal of small and large bowel with attachment of small and large bowel	11	11	$9439.18	$1431.72
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$458.09	$110.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	37	31	$219.41	$56.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	24	$168.50	$28.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	15	$154.47	$49.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$511.89	$141.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$385.29	$114.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	12	$341.57	$86.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$361.00	$83.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	64	54	$253.59	$54.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	26	$169.66	$27.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	28	$529.34	$84.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$345.33	$83.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	16	$104.95	$48.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$390.12	$116.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$495.88	$139.68
99213 Established patient office or other outpatient visit, typically 15 minutes	14	13	$248.00	$78.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	62	46	$163.58	$27.20
99213 Established patient office or other outpatient visit, typically 15 minutes	46	39	$231.48	$54.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$475.86	$138.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$562.83	$83.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$332.65	$82.99
99221 Initial hospital inpatient care per day, typically 30 minutes	13	12	$360.69	$109.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	112	77	$209.55	$54.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	44	$461.19	$83.28
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	12	$157.37	$41.95

Medical Specialties & State Licenses

CMS Verified: 2025-08-18

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License IL 036117911

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License IN 01095972A

Hospital & Practice Group Affiliations

University Of Chicago

1 Ingalls Dr, Harvey, IL 604263558

Phone: 7083332300

University Of Chicago

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 8888240200

University Of Chicago

14290 S La Grange Rd, Orland Park, IL 604622023

Phone: 8447558267

The University Of Chicago Medical Center

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 7737021000

University Of Chicago

10855 Virginia St, Crown Point, IN 463070210

Phone: 8888240200

Secondary Practice Locations

10855 Virginia St

Crown Point, IN 463070210

Phone: 8888240200

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Don Martinez , MD

Radiology - Diagnostic Radiology

NPI 1003059288

Doctor of Medicine (M.D.)

Alexandra Dumitrescu

Internal Medicine

NPI 1003078049

Peleg Horowitz

Neurological Surgery

NPI 1003088279

Sandeep Gurbuxani

Pathology - Hematology

NPI 1003093535

Dr. Niren Gandra , MD

Internal Medicine

NPI 1003126020

Doctor of Medicine (M.D.)

Dr. Allie Dakroub , MD MS

Internal Medicine

NPI 1003174202

MDMS

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Business Mailing Address August 18, 2025

Registered at 150 HARVESTER DR STE 300, BURR RIDGE, IL 605275965

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 18, 2025

Colon & Rectal Surgery (License #01095972A in IN)

✅

NPI Profile Active July 17, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location July 17, 2014

Registered at 5841 S MARYLAND AVE, MC 5095, CHICAGO, IL 606371447 (Tel: 7737022026)

📍

Updated Business Mailing Address July 17, 2014

Registered at 5841 S MARYLAND AVE, MC 5095, CHICAGO, IL 606371447 (Tel: 7737022026)

👤

Provider Name / Credentials Updated July 17, 2014

Recorded as KONSTANTIN UMANSKIY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 17, 2014

Colon & Rectal Surgery (License #036117911 in IL)

🟢

Initial NPI Registration & Enumeration May 30, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1033310909

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 30, 2007

Last Update: August 18, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

150 Harvester Dr Ste 300

Burr Ridge, IL 605275965

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.