Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1497150486 Individual Practitioner Female Practitioner

Diane Maria Less , PA-C

Physician Assistant • Chicago, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Diane Less, PA-C is a certified Physician Assistant practicing in Chicago, IL. With approximately 12 years of clinical experience since completing medical education in 2014, Diane Less delivers high-quality medical care to the local community at 1900 W POLK ST.

Diane Less is affiliated with University Of Chicago and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1900 W Polk St

Chicago, IL 606123723

Telephone 3128640224
Fax 3128649658
Associated Practice Facility / Clinic
🏢 Cook County Hospital Facility NPI 1417195876

Medicare Profile & Education

Medical School

Other

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Chicago, IL

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
12 Yrs +4.2 yrs vs City Avg
City Avg: 7.8 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
1451 Specialists

Practicing in Chicago, IL (4958 Statewide)

Telehealth Adoption Rate
17.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
73.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Less (12 Years) 12 Yrs
Chicago Specialty Average (7.8 Years) 7.8 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
99231 Follow-up hospital inpatient care per day, typically 15 minutes
25 18 $162.40 $46.31
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
22 17 $290.82 $73.44

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085005150

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

University Of Chicago

5758 S Maryland Ave, Chicago, IL 606371426

Phone: 7737023384

University Of Chicago

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 8888240200

University Of Chicago

950 E 61st St, Chicago, IL 606372654

Phone: 7737023095

Practice Associates & Co-Workers

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

2 Associated Practitioners
Margaret Rigamer

Surgery - Vascular Surgery

NPI 1235454968
NPI 1700905981

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active November 03, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location November 03, 2014

Registered at 1900 W POLK ST, CHICAGO, IL 606123723 (Tel: 3128640224)

📍
Updated Business Mailing Address November 03, 2014

Registered at 14 W ELM ST, APT 1704, CHICAGO, IL 606107132 (Tel: 6303415217)

👤
Provider Name / Credentials Updated November 03, 2014

Recorded as DIANE LESS, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 03, 2014

Physician Assistant (License #085005150 in IL)

🟢
Initial NPI Registration & Enumeration November 03, 2014

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: 1497150486
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 03, 2014
Last Update: November 03, 2014
Sole Proprietor: Yes

Mailing Address

14 W Elm St, Apt 1704

Chicago, IL 606107132

Phone: 6303415217

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.