Martha Hosmer-Arion, LMSW
NPI 1235423088 · Clinical Social Worker · Flint, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Hosmer-Arion, LMSW is a Clinical Social Worker provider in Flint, MI (NPI 1235423088).
Provider details
- NPI number
- 1235423088
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
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
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2011-06-08
- Last updated
- 2025-07-24
- Certified
- 2025-07-24
Frequently asked questions
- What is Martha Hosmer-Arion's NPI number?
- Martha Hosmer-Arion's National Provider Identifier (NPI) is 1235423088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Hosmer-Arion's specialty?
- Martha Hosmer-Arion is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martha Hosmer-Arion located?
- Martha Hosmer-Arion's practice location on file with NPPES is 303 W Water St, Flint, MI 48503-5627.
- What is Martha Hosmer-Arion's phone number?
- The practice phone number listed in the NPPES registry for Martha Hosmer-Arion is (810) 232-2766.
- Does Martha Hosmer-Arion accept Medicare?
- Martha Hosmer-Arion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Hosmer-Arion's NPI active?
- Yes — Martha Hosmer-Arion's NPI (1235423088) is active in the NPPES registry as of the last update on 2025-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.