Melissa Sundermann, DO
NPI 1851400543 · Internal Medicine Physician · Grand Rapids, MI
Melissa Sundermann, DO is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1851400543).
Provider details
- NPI number
- 1851400543
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 5101013879 (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
- 2006-08-29
- Last updated
- 2025-06-26
- Certified
- 2025-06-26
Frequently asked questions
- What is Melissa Sundermann's NPI number?
- Melissa Sundermann's National Provider Identifier (NPI) is 1851400543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Sundermann's specialty?
- Melissa Sundermann is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Sundermann located?
- Melissa Sundermann's practice location on file with NPPES is 435 Ionia Ave Sw Ste A210, Grand Rapids, MI 49503-5161.
- What is Melissa Sundermann's phone number?
- The practice phone number listed in the NPPES registry for Melissa Sundermann is (616) 486-0385.
- Is Melissa Sundermann's NPI active?
- Yes — Melissa Sundermann's NPI (1851400543) is active in the NPPES registry as of the last update on 2025-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.