Mary Margaret Mcashan, PHD
NPI 1538436886 · Psychologist · Frisco, TX
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Margaret Mcashan, PHD is a Psychologist provider in Frisco, TX (NPI 1538436886).
Provider details
- NPI number
- 1538436886
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 37500
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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 11500 State Highway 121 Ste 930Frisco, TX 75035-9347Phone: (469) 200-4093Fax: (469) 200-4079
Registry dates
- Enumerated
- 2011-11-30
- Last updated
- 2023-08-24
- Certified
- 2023-08-24
Frequently asked questions
- What is Mary Margaret Mcashan's NPI number?
- Mary Margaret Mcashan's National Provider Identifier (NPI) is 1538436886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Margaret Mcashan's specialty?
- Mary Margaret Mcashan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Margaret Mcashan located?
- Mary Margaret Mcashan's practice location on file with NPPES is 11500 State Highway 121 Ste 510, Frisco, TX 75035-9348.
- What is Mary Margaret Mcashan's phone number?
- The practice phone number listed in the NPPES registry for Mary Margaret Mcashan is (469) 200-4093.
- Does Mary Margaret Mcashan accept Medicare?
- Mary Margaret Mcashan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Margaret Mcashan's NPI active?
- Yes — Mary Margaret Mcashan's NPI (1538436886) is active in the NPPES registry as of the last update on 2023-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.