Mary Hannah Key, MS, LMFT-A
NPI 1851858070 · Marriage & Family Therapist · Frisco, TX
Mary Hannah Key, MS, LMFT-A is a Marriage & Family Therapist provider in Frisco, TX (NPI 1851858070).
Provider details
- NPI number
- 1851858070
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MS, LMFT-A
- Sex
- Female
- Sole proprietor
- Yes
- License
- 203378 (TX)
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
7 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
- 2019-02-24
- Last updated
- 2019-02-24
Frequently asked questions
- What is Mary Hannah Key's NPI number?
- Mary Hannah Key's National Provider Identifier (NPI) is 1851858070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hannah Key's specialty?
- Mary Hannah Key is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mary Hannah Key located?
- Mary Hannah Key's practice location on file with NPPES is 2770 Main St, Frisco, TX 75033-4302.
- What is Mary Hannah Key's phone number?
- The practice phone number listed in the NPPES registry for Mary Hannah Key is (832) 377-8813.
- Is Mary Hannah Key's NPI active?
- Yes — Mary Hannah Key's NPI (1851858070) is active in the NPPES registry as of the last update on 2019-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.