IndividualActive
Marilyn Hallowell, LISW
NPI 1699796573 · Social Worker · Westerville, OH
Marilyn Hallowell, LISW is a Social Worker provider in Westerville, OH (NPI 1699796573).
Provider details
- NPI number
- 1699796573
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LISW
- Sex
- Female
- Sole proprietor
- No
- License
- I0008147 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
774 Park Meadow Rd
Westerville, OH 43081
Phone: (614) 882-9338
Fax: (614) 882-3401
Street-level locationGet directions
Mailing address
774 Park Meadow Rd
Westerville, OH 43081
Registry dates
- Enumerated
- 2006-07-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marilyn Hallowell's NPI number?
- Marilyn Hallowell's National Provider Identifier (NPI) is 1699796573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Hallowell's specialty?
- Marilyn Hallowell is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Marilyn Hallowell located?
- Marilyn Hallowell's practice location on file with NPPES is 774 Park Meadow Rd, Westerville, OH 43081.
- What is Marilyn Hallowell's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Hallowell is (614) 882-9338.
- Is Marilyn Hallowell's NPI active?
- Yes — Marilyn Hallowell's NPI (1699796573) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.