Gwendolyn Unzicker, M.D
NPI 1538381421 · Family Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwendolyn Unzicker, M.D is a Family Medicine Physician provider in Grand Rapids, MI (NPI 1538381421).
Provider details
- NPI number
- 1538381421
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 4301086304 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-05-02
- Last updated
- 2012-01-03
Frequently asked questions
- What is Gwendolyn Unzicker's NPI number?
- Gwendolyn Unzicker's National Provider Identifier (NPI) is 1538381421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Unzicker's specialty?
- Gwendolyn Unzicker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gwendolyn Unzicker located?
- Gwendolyn Unzicker's practice location on file with NPPES is 25 Michigan St Ne, Grand Rapids, MI 49503-2515.
- What is Gwendolyn Unzicker's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Unzicker is (616) 267-0800.
- Does Gwendolyn Unzicker accept Medicare?
- Gwendolyn Unzicker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwendolyn Unzicker's NPI active?
- Yes — Gwendolyn Unzicker's NPI (1538381421) is active in the NPPES registry as of the last update on 2012-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.