David Gennis, PSY.D., LMFT
NPI 1558439935 · Marriage & Family Therapist · Las Vegas, NV
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gennis, PSY.D., LMFT is a Marriage & Family Therapist provider in Las Vegas, NV (NPI 1558439935).
Provider details
- NPI number
- 1558439935
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PSY.D., LMFT
- Sex
- Male
- Sole proprietor
- No
- License
- MFC46820 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
4,487 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) |
|---|---|---|
| Treatment of Behavior Impacting Health, Initial 30 Minutes96158 | 1,930 | $65 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 858 | $40 |
| Biofeedback Training90901 | 666 | $40 |
| Therapy Procedure for a Range of Mental Processes, Initial 15 Minutes97129 | 390 | $22 |
| Treatment of Behavior Impacting Health in Group Setting, Initial 30 Minutes96164 | 229 | $10 |
| Psychotherapy, 1 Hour90837 | 200 | $149 |
| Care Management Services for Behavioral Health Conditions, 20 Minutes Or More Clinical Staff Time Directed By Health Care Professional |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-01
- Last updated
- 2016-09-22
Frequently asked questions
- What is David Gennis's NPI number?
- David Gennis's National Provider Identifier (NPI) is 1558439935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gennis's specialty?
- David Gennis is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is David Gennis located?
- David Gennis's practice location on file with NPPES is 5915 S Rainbow Blvd Ste 105, Las Vegas, NV 89118-2558.
- What is David Gennis's phone number?
- The practice phone number listed in the NPPES registry for David Gennis is (702) 209-0370.
- Does David Gennis accept Medicare?
- David Gennis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gennis's NPI active?
- Yes — David Gennis's NPI (1558439935) is active in the NPPES registry as of the last update on 2016-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.