Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1720144975 Individual Practitioner Male Practitioner

Mark Greenwald

Ophthalmology • Denver, CO

Professional Overview & Biography Verified Profile Summary

Mark Greenwald is a registered healthcare professional specializing in Ophthalmology in Denver, CO. Practice services are available at 777 BANNOCK ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

777 Bannock St

Denver, CO 802044597

Telephone 3034364949
Fax 3036024560
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Denver, CO

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.9 Yrs
State Avg: 25.9 Yrs
Regional Practice Density
85 Specialists

Practicing in Denver, CO (361 Statewide)

Telehealth Adoption Rate
1.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-02-11
Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CO DR.0070955

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License IL 036055837

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Secondary Practice Locations

5841 S Maryland Ave

Chicago, IL 606371443

Phone: 8888240200

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1003172446

Doctor of Osteopathic Medicine (D.O.)

Dr. Peter Alsharif , MD

Emergency Medicine

NPI 1003445834

Doctor of Medicine (M.D.)

NPI 1023155389

Doctor of Medicine (M.D.)

Christopher Pineda , LPC

Counselor - Mental Health

NPI 1023669306

Licensed Professional Counselor

Dr. Keenan Onodera , MD

Orthopaedic Surgery - Orthopaedic Trauma

NPI 1023671146

Doctor of Medicine (M.D.)

Molly Burtis , CSW

Social Worker - Clinical

NPI 1023900602

Clinical Social Worker

Career & Practice History Timeline

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

13 Historical Events
📍
Updated Practice Location February 11, 2025

Registered at 777 BANNOCK ST, DENVER, CO 802044597 (Tel: 3034364949)

📍
Updated Business Mailing Address February 11, 2025

Registered at 777 BANNOCK ST, DENVER, CO 802044597 (Tel: 3034364949)

📍
Updated Practice Location July 31, 2023

Registered at 660 BANNOCK ST FL 4, DENVER, CO 802044506 (Tel: 3036028550)

📍
Updated Practice Location March 08, 2022

Registered at 5841 S MARYLAND AVE, CHICAGO, IL 606371443 (Tel: 8888240200)

📍
Updated Business Mailing Address March 08, 2022

Registered at 150 HARVESTER DR, SUITE 300, BURR RIDGE, IL 605275919

👤
Provider Name / Credentials Updated March 08, 2022

Recorded as MARK GREENWALD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 08, 2022

Ophthalmology (License #036055837 in IL)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 180 HARVESTER DR STE 110, BURR RIDGE, IL 605276686 (Tel: 7738344064)

📍
Updated Business Mailing Address July 08, 2007

Registered at 5841 S MARYLAND AVE # MC1099, CHICAGO, IL 606371447

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARK GREENWALD, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Ophthalmology

🟢
Initial NPI Registration & Enumeration December 29, 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 Mark Greenwald. Be the first to share your experience!

Sign in to leave a review for Mark Greenwald

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

NPI Administrative Meta

NPI Number: 1720144975
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 29, 2006
Last Update: February 11, 2025
Sole Proprietor: No

Mailing Address

777 Bannock St

Denver, CO 802044597

Phone: 3034364949

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.