What is Mason Mclellan's NPI number?

Mason Mclellan's National Provider Identifier (NPI) is 1235003039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mason Mclellan's specialty?

Mason Mclellan is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Mason Mclellan located?

Mason Mclellan's practice location on file with NPPES is 32 Millbranch Rd Ste 40, Hattiesburg, MS 39402-1673.

What is Mason Mclellan's phone number?

The practice phone number listed in the NPPES registry for Mason Mclellan is (601) 255-5264.

Is Mason Mclellan's NPI active?

Yes — Mason Mclellan's NPI (1235003039) is active in the NPPES registry as of the last update on 2025-10-03.

IndividualActive

Mason Mclellan

NPI 1235003039 · Behavior Technician · Hattiesburg, MS

Mason Mclellan is a Behavior Technician provider in Hattiesburg, MS (NPI 1235003039).

Provider details

NPI number: 1235003039
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

32 Millbranch Rd Ste 40

Hattiesburg, MS 39402-1673

Phone: (601) 255-5264

Street-level locationGet directions

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Mailing address