Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1609830090 Individual Practitioner Male Practitioner

Dr. John A Grossman , MD

Specialist • Denver, CO

Professional Overview & Biography Verified Profile Summary

Dr. John Grossman, MD is a registered healthcare professional specializing in Specialist in Denver, CO. Practice services are available at 4600 HALE PKWY under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4600 Hale Pkwy
Suite 100

Denver, CO 802204020

Telephone 3033205566
Fax 3033201453
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Denver, CO

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 33.8 Yrs
State Avg: 33.7 Yrs
Regional Practice Density
252 Specialists

Practicing in Denver, CO (1204 Statewide)

Telehealth Adoption Rate
0.8% 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

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License CO 18139

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Practice Associates & Co-Workers

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

2 Associated Practitioners
Nicole Kenyon , PA

Physician Assistant - Surgical

NPI 1386949154

Physician Assistant

NPI 1417911298

MDPC

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 09, 2007

Registered at 4600 HALE PKWY, SUITE 100, DENVER, CO 802204020 (Tel: 3033205566)

📍
Updated Business Mailing Address July 09, 2007

Registered at 335 CLAYTON ST, DENVER, CO 802064228 (Tel: 3033298118)

👤
Provider Name / Credentials Updated July 09, 2007

Recorded as JOHN GROSSMAN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Specialist (License #18139 in CO)

🟢
Initial NPI Registration & Enumeration April 13, 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 Dr. John Grossman. Be the first to share your experience!

Sign in to leave a review for Dr. John Grossman

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

NPI Administrative Meta

NPI Number: 1609830090
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 13, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

335 Clayton St

Denver, CO 802064228

Phone: 3033298118

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.