Leo Treyzon, M.D.
NPI 1740304203 · Gastroenterology Physician · Beverly Hills, CA
Leo Treyzon, M.D. is a Gastroenterology Physician provider in Beverly Hills, CA (NPI 1740304203).
Provider details
- NPI number
- 1740304203
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A81388 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 92 | 27 |
| Rifaximinbrand: Xifaxan | 74 | 53 |
| Pantoprazole Sodium | 68 | 16 |
| Dicyclomine Hcl | 49 | 32 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 33 | — |
| Sucralfate | 31 | 13 |
| Prucalopride Succinatebrand: Motegrity | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,081 across 141 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2024-01-12
- Certified
- 2024-01-12
Frequently asked questions
- What is Leo Treyzon's NPI number?
- Leo Treyzon's National Provider Identifier (NPI) is 1740304203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Treyzon's specialty?
- Leo Treyzon is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Leo Treyzon located?
- Leo Treyzon's practice location on file with NPPES is 9454 Wilshire Blvd Ste 510, Beverly Hills, CA 90212-2904.
- What is Leo Treyzon's phone number?
- The practice phone number listed in the NPPES registry for Leo Treyzon is (310) 688-4141.
- Is Leo Treyzon's NPI active?
- Yes — Leo Treyzon's NPI (1740304203) is active in the NPPES registry as of the last update on 2024-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.