Rachael Krefman-Castellon, LMSW
NPI 1619221306 · Social Worker · Brighton, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachael Krefman-Castellon, LMSW is a Social Worker provider in Brighton, MI (NPI 1619221306).
Provider details
- NPI number
- 1619221306
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801092018 (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
13 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
- 2012-11-01
- Last updated
- 2024-08-20
- Certified
- 2024-08-20
Frequently asked questions
- What is Rachael Krefman-Castellon's NPI number?
- Rachael Krefman-Castellon's National Provider Identifier (NPI) is 1619221306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachael Krefman-Castellon's specialty?
- Rachael Krefman-Castellon is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Rachael Krefman-Castellon located?
- Rachael Krefman-Castellon's practice location on file with NPPES is 711 E Grand River Ave Ste a, Brighton, MI 48116-2474.
- What is Rachael Krefman-Castellon's phone number?
- The practice phone number listed in the NPPES registry for Rachael Krefman-Castellon is (269) 873-5966.
- Does Rachael Krefman-Castellon accept Medicare?
- Rachael Krefman-Castellon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachael Krefman-Castellon's NPI active?
- Yes — Rachael Krefman-Castellon's NPI (1619221306) is active in the NPPES registry as of the last update on 2024-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.