Theresa Ruff, RN
NPI 1578365847 · Addiction (Substance Use Disorder) Registered Nurse · Richmond, MI
Theresa Ruff, RN is a Addiction (Substance Use Disorder) Registered Nurse provider in Richmond, MI (NPI 1578365847).
Provider details
- NPI number
- 1578365847
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 4704213607 (MI)
Specialties & taxonomies
Nursing Service Providers
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
- 2025-03-26
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is Theresa Ruff's NPI number?
- Theresa Ruff's National Provider Identifier (NPI) is 1578365847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Ruff's specialty?
- Theresa Ruff is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Theresa Ruff located?
- Theresa Ruff's practice location on file with NPPES is 400 Stoddard Rd, Richmond, MI 48062-2505.
- What is Theresa Ruff's phone number?
- The practice phone number listed in the NPPES registry for Theresa Ruff is (810) 392-2167.
- Is Theresa Ruff's NPI active?
- Yes — Theresa Ruff's NPI (1578365847) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.