Sarah Peffers, LMSW
NPI 1659764827 · Clinical Social Worker · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Peffers, LMSW is a Clinical Social Worker provider in Grand Rapids, MI (NPI 1659764827).
Provider details
- NPI number
- 1659764827
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801114084 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 118 S Greenville West Dr Ste aGreenville, MI 48838-3554Phone: (616) 805-3660
Registry dates
- Enumerated
- 2015-03-12
- Last updated
- 2022-03-08
- Certified
- 2022-03-08
Frequently asked questions
- What is Sarah Peffers's NPI number?
- Sarah Peffers's National Provider Identifier (NPI) is 1659764827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Peffers's specialty?
- Sarah Peffers is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sarah Peffers located?
- Sarah Peffers's practice location on file with NPPES is 1115 Ball Ave Ne, Grand Rapids, MI 49505-5904.
- What is Sarah Peffers's phone number?
- The practice phone number listed in the NPPES registry for Sarah Peffers is (616) 456-8010.
- Does Sarah Peffers accept Medicare?
- Sarah Peffers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Peffers's NPI active?
- Yes — Sarah Peffers's NPI (1659764827) is active in the NPPES registry as of the last update on 2022-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.