IndividualActive
Tammy Mehlhaff, SWLC
NPI 1801774310 · Clinical Social Worker · Billings, MT
Tammy Mehlhaff, SWLC is a Clinical Social Worker provider in Billings, MT (NPI 1801774310).
Provider details
- NPI number
- 1801774310
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- SWLC
- Sex
- Female
- Sole proprietor
- No
- License
- BBH-SWLC-LIC-62916 (MT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 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
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
415 Broadwater Ave
Billings, MT 59101-2813
Phone: (406) 545-9077
Street-level locationGet directions
Mailing address
744 Wyoming Ave
Billings, MT 59101-1619
Registry dates
- Enumerated
- 2025-08-22
- Last updated
- 2025-08-22
- Certified
- 2025-08-22
Frequently asked questions
- What is Tammy Mehlhaff's NPI number?
- Tammy Mehlhaff's National Provider Identifier (NPI) is 1801774310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Mehlhaff's specialty?
- Tammy Mehlhaff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tammy Mehlhaff located?
- Tammy Mehlhaff's practice location on file with NPPES is 415 Broadwater Ave, Billings, MT 59101-2813.
- What is Tammy Mehlhaff's phone number?
- The practice phone number listed in the NPPES registry for Tammy Mehlhaff is (406) 545-9077.
- Is Tammy Mehlhaff's NPI active?
- Yes — Tammy Mehlhaff's NPI (1801774310) is active in the NPPES registry as of the last update on 2025-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.