MARK A LINKOW MD
NPI 1639163587
Internal Medicine - Gastroenterology in Denver, CO

Active since September 07, 2005
4500 E 9TH AVE, STE 720S, DENVER, CO 80220(303) 355-3525(303) 355-0255 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark A Linkow Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK A LINKOW MD (NPI 1639163587) is an individual gastroenterology provider in Denver, Colorado, licensed in Colorado (17747) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1639163587
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMARK A LINKOWCredential: MD
Location Address4500 E 9TH AVE, STE 720SDenver, CO 80220-3900
Mailing Address4500 E 9th Ave, Ste 720sDenver, CO 80220-3900 · (303) 355-3525 · Fax (303) 355-0255
Fax(303) 355-0255
Sole ProprietorNo
Enumeration DateSeptember 7, 2005
Last NPPES UpdateSeptember 11, 2025
NPI 1639163587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CO · 17747
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 17747 (CO)
4500 E 9TH AVE, Denver, CO 80220

Other Identifiers 1

Medicaid01177476CO

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
4500 E 9TH AVE, SUITE 740
DENVER, CO 80220
Obstetrics & Gynecology
4500 E 9TH AVE, SUITE 200
DENVER, CO 80220
Family Medicine
4500 E 9TH AVE, STE #320
DENVER, CO 80220
Obstetrics & Gynecology
4500 E 9TH AVE, #700S
DENVER, CO 80220
Pediatrics
4500 E 9TH AVE, STE 740
DENVER, CO 80220
Internal Medicine (Gastroenterology)
4500 E 9TH AVE, SUITE 720S
DENVER, CO 80220
Nurse Practitioner (Family)
4500 E 9TH AVE, #615
DENVER, CO 80220
Internal Medicine
4500 E 9TH AVE
DENVER, CO 80220

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Linkow's NPI number?

The NPI number for Mark Linkow is 1639163587. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Where is Mark Linkow located?

Mark Linkow practices at 4500 E 9th Ave Ste 720S, Denver, CO 80220. The listed phone number is (303) 355-3525.

What is Mark Linkow's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Mark Linkow was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.