Stephanie Williams, MD
NPI 1003805409 · Medical Oncology Physician · Grand Rapids, MI
Stephanie Williams, MD is a Medical Oncology Physician provider in Grand Rapids, MI (NPI 1003805409).
Provider details
- NPI number
- 1003805409
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036 067154 (IL)
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
20 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
- 2005-10-18
- Last updated
- 2021-02-22
- Certified
- 2021-02-22
Frequently asked questions
- What is Stephanie Williams's NPI number?
- Stephanie Williams's National Provider Identifier (NPI) is 1003805409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Williams's specialty?
- Stephanie Williams is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Williams located?
- Stephanie Williams's practice location on file with NPPES is 145 Michigan St Ne, Grand Rapids, MI 49503-2562.
- What is Stephanie Williams's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Williams is (616) 486-5933.
- Is Stephanie Williams's NPI active?
- Yes — Stephanie Williams's NPI (1003805409) is active in the NPPES registry as of the last update on 2021-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.