Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1134787559 Individual Practitioner Female Practitioner

Greta Gregg

Optometrist • Chicago, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Greta Gregg is a certified Optometrist practicing in Chicago, IL. With approximately 7 years of clinical experience since graduating from Illinois College Of Optometry At Chicago in 2019, Greta Gregg delivers high-quality medical care to the local community at 3241 S MICHIGAN AVE.

Greta Gregg is affiliated with Illinois College Of Optometry and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, exam of visual field with extended testing, imaging of optic nerve. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3241 S Michigan Ave

Chicago, IL 606164201

Telephone 3129497751
Associated Practice Facility / Clinic
🏢 Illinois College Of Optometry Facility NPI 1982082087

Medicare Profile & Education

Medical School

Illinois College Of Optometry At Chicago

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Chicago, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -8.6 yrs vs City Avg
City Avg: 15.6 Yrs
State Avg: 22.8 Yrs
Regional Practice Density
633 Specialists

Practicing in Chicago, IL (2783 Statewide)

Telehealth Adoption Rate
0.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
38.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gregg (7 Years) 7 Yrs
Chicago Specialty Average (15.6 Years) 15.6 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
99213 Established patient office or other outpatient visit, typically 15 minutes
83 55 $130.00 $94.04
92083 Exam of visual field with extended testing
31 24 $95.00 $63.99
92133 Imaging of optic nerve
14 14 $60.00 $35.99
92250 Photography of the retina
12 11 $91.00 $36.45

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License IL 046011305

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Hospital & Practice Group Affiliations

Illinois College Of Optometry

3241 S Michigan Ave, Chicago, IL 606163878

Phone: 3129497751

Practice Associates & Co-Workers

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

19 Associated Practitioners
NPI 1053521872

Doctor of Optometry

NPI 1114373560

Doctor of Optometry

Harneet Randhawa

Optometrist

NPI 1184070401
NPI 1245721679

Doctor of Optometry, Doctor of Philosophy (Ph.D.)

NPI 1346760725

Doctor of Optometry

NPI 1376922641

Doctor of Optometry

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active June 04, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location June 04, 2019

Registered at 3241 S MICHIGAN AVE, CHICAGO, IL 606164201 (Tel: 3129497751)

📍
Updated Business Mailing Address June 04, 2019

Registered at 3241 S MICHIGAN AVE, CHICAGO, IL 606164201 (Tel: 3129497751)

👤
Provider Name / Credentials Updated June 04, 2019

Recorded as GRETA GREGG

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 04, 2019

Optometrist (License #046011305 in IL)

🟢
Initial NPI Registration & Enumeration May 31, 2019

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: 1134787559
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 31, 2019
Last Update: June 04, 2019
Sole Proprietor: No

Mailing Address

3241 S Michigan Ave

Chicago, IL 606164201

Phone: 3129497751

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.