Michael Zijlstra, DO
NPI 1689169591 · Gastroenterology Physician · Richmond, VA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Zijlstra, DO is a Gastroenterology Physician provider in Richmond, VA (NPI 1689169591).
Provider details
- NPI number
- 1689169591
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125.072046 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$74 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2650 Ridge Ave. Suite 5323Office of the Chief ResidentEvanston, IL 60201-6686Phone: (847) 570-2505Fax: (847) 570-2905
- Northshore University Healthsystem Office of AcademicAffairs 2650 Ridge Ave, Suite 1304Evanston, IL 60201Phone: (847) 570-2000
Registry dates
- Enumerated
- 2018-06-25
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is Michael Zijlstra's NPI number?
- Michael Zijlstra's National Provider Identifier (NPI) is 1689169591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Zijlstra's specialty?
- Michael Zijlstra is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Zijlstra located?
- Michael Zijlstra's practice location on file with NPPES is 1001 E Leigh St Fl 11, Richmond, VA 23298-5004.
- What is Michael Zijlstra's phone number?
- The practice phone number listed in the NPPES registry for Michael Zijlstra is (804) 828-2161.
- Does Michael Zijlstra accept Medicare?
- Michael Zijlstra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Zijlstra's NPI active?
- Yes — Michael Zijlstra's NPI (1689169591) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.