Grace Davidson, PHD
NPI 1093790586 · Clinical Psychologist · Plano, TX
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Davidson, PHD is a Clinical Psychologist provider in Plano, TX (NPI 1093790586).
Provider details
- NPI number
- 1093790586
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2-3603 (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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,221 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy, 45 Minutes90834 | 385 | $90 |
| Psychotherapy, 45 Minutes90834 | 220 | $102 |
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 155 | $18 |
| Psychiatric Diagnostic Evaluation90791 | 117 | $147 |
| Psychotherapy, 1 Hour90837 | 104 | $151 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 41 | $75 |
| Evaluation of Neuropsychological Test, First Hour |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-07
- Last updated
- 2013-04-29
Frequently asked questions
- What is Grace Davidson's NPI number?
- Grace Davidson's National Provider Identifier (NPI) is 1093790586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Davidson's specialty?
- Grace Davidson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Grace Davidson located?
- Grace Davidson's practice location on file with NPPES is 1700 Alma, Plano, TX 75075-6962.
- What is Grace Davidson's phone number?
- The practice phone number listed in the NPPES registry for Grace Davidson is (972) 596-6351.
- Does Grace Davidson accept Medicare?
- Grace Davidson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Davidson's NPI active?
- Yes — Grace Davidson's NPI (1093790586) is active in the NPPES registry as of the last update on 2013-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.