IndividualActive
Cassandra Gertjejansen
NPI 1457294126 · Family Medicine Physician · Marquette, MI
Cassandra Gertjejansen is a Family Medicine Physician provider in Marquette, MI (NPI 1457294126).
Provider details
- NPI number
- 1457294126
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 5151017905 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
1414 W Fair Ave Ste 36
Marquette, MI 49855-2675
Phone: (906) 449-1010
Street-level locationGet directions
Mailing address
1414 W Fair Ave Ste 36
Marquette, MI 49855-2675
Registry dates
- Enumerated
- 2026-04-09
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Cassandra Gertjejansen's NPI number?
- Cassandra Gertjejansen's National Provider Identifier (NPI) is 1457294126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Gertjejansen's specialty?
- Cassandra Gertjejansen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cassandra Gertjejansen located?
- Cassandra Gertjejansen's practice location on file with NPPES is 1414 W Fair Ave Ste 36, Marquette, MI 49855-2675.
- What is Cassandra Gertjejansen's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Gertjejansen is (906) 449-1010.
- Is Cassandra Gertjejansen's NPI active?
- Yes — Cassandra Gertjejansen's NPI (1457294126) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.