Mark Linkow, MD
NPI 1639163587 · Gastroenterology Physician · Denver, CO
Mark Linkow, MD is a Gastroenterology Physician provider in Denver, CO (NPI 1639163587).
Provider details
- NPI number
- 1639163587
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17747 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-07
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mark Linkow's NPI number?
- Mark Linkow's National Provider Identifier (NPI) is 1639163587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Linkow's specialty?
- Mark Linkow is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Linkow located?
- Mark Linkow's practice location on file with NPPES is 4500 E 9th Ave, Denver, CO 80220-3900.
- What is Mark Linkow's phone number?
- The practice phone number listed in the NPPES registry for Mark Linkow is (303) 355-3525.
- Is Mark Linkow's NPI active?
- Yes — Mark Linkow's NPI (1639163587) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.