Joshua Kuperus
NPI 1235923921 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Kuperus is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1235923921).
Provider details
- NPI number
- 1235923921
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 4351054560 (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
1 yr 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
- 2025-04-07
- Last updated
- 2025-06-19
- Certified
- 2025-06-19
Frequently asked questions
- What is Joshua Kuperus's NPI number?
- Joshua Kuperus's National Provider Identifier (NPI) is 1235923921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Kuperus's specialty?
- Joshua Kuperus is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Kuperus located?
- Joshua Kuperus's practice location on file with NPPES is 25 Michigan St Ne Ste 2100, Grand Rapids, MI 49503-2526.
- What is Joshua Kuperus's phone number?
- The practice phone number listed in the NPPES registry for Joshua Kuperus is (616) 391-3777.
- Does Joshua Kuperus accept Medicare?
- Joshua Kuperus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Kuperus's NPI active?
- Yes — Joshua Kuperus's NPI (1235923921) is active in the NPPES registry as of the last update on 2025-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.