Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1215921655 Individual Practitioner Male Practitioner

Dr. Alex R Tan , OD

Optometrist • Oak Park, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Alex Tan, OD is a certified Optometrist practicing in Oak Park, IL. With approximately 27 years of clinical experience since graduating from Illinois College Of Optometry At Chicago in 1999, Dr. Tan delivers high-quality medical care to the local community at 603 MADISON ST.

Dr. Tan is affiliated with Illinois College Of Optometry and accepts Medicare assignment.

Frequently performed procedures and clinical services include microfluid analysis of tears, analysis of substance using immunoassay technique, 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

603 Madison St

Oak Park, IL 603024437

Telephone 7083832150
Associated Practice Facility / Clinic
🏢 Compass Eye Care, Inc. Facility NPI 1548409501

Medicare Profile & Education

Medical School

Illinois College Of Optometry At Chicago

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Oak Park, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
27 Yrs +8.0 yrs vs City Avg
City Avg: 19.0 Yrs
State Avg: 22.8 Yrs
Regional Practice Density
13 Specialists

Practicing in Oak Park, IL (2783 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
29.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tan (27 Years) 27 Yrs
Oak Park Specialty Average (19.0 Years) 19.0 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
83861 Microfluid analysis of tears
91 17 $42.00 $22.03
83516 Analysis of substance using immunoassay technique
86 16 $25.00 $11.30
99213 Established patient office or other outpatient visit, typically 15 minutes
77 45 $105.65 $93.96
92014 Established patient complete exam of visual system
49 48 $165.10 $126.83
92004 New patient complete exam of visual system
27 27 $195.56 $150.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
25 11 $145.00 $132.69
92083 Exam of visual field with extended testing
23 22 $125.00 $64.02
92250 Photography of the retina
18 17 $100.00 $34.25

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License IL 046009172

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
046009172 (IL)

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

1 Associated Practitioners
NPI 1720011125

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 February 06, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location February 06, 2013

Registered at 603 MADISON ST, OAK PARK, IL 603024437 (Tel: 7083832150)

📍
Updated Business Mailing Address February 06, 2013

Registered at 603 MADISON ST, OAK PARK, IL 603024437 (Tel: 7083832150)

👤
Provider Name / Credentials Updated February 06, 2013

Recorded as ALEX TAN, OD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 06, 2013

Optometrist (License #046009172 in IL)

🟢
Initial NPI Registration & Enumeration August 31, 2005

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: 1215921655
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 31, 2005
Last Update: February 06, 2013
Sole Proprietor: No

Mailing Address

603 Madison St

Oak Park, IL 603024437

Phone: 7083832150

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.