Paul Leonor, M.D.
NPI 1407275423 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Leonor, M.D. is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1407275423).
Provider details
- NPI number
- 1407275423
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A141042 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
219 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 47 | $130 |
| Review By Radiologist of Image From Tube Placement Into Bile Duct Using an Endoscope74328 | 40 | $23 |
| Removal of Stone Or Debris From Bile Or Pancreatic Duct Using a Flexible Endoscope43264 | 33 | $89 |
| Insertion of Stent Into Pancreatic Or Bile Duct Using a Flexible Endoscope43274 | 24 | $376 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 21 | $98 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 61 | 22 |
| Linaclotidebrand: Linzess | 24 | — |
| Pantoprazole Sodium | 23 | — |
| Famotidine | 15 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 15 | 13 |
| Mesalamine | 15 | — |
| Dupilumabbrand: Dupixent Pen | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$807 across 14 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
- 2014-04-08
- Last updated
- 2021-11-02
- Certified
- 2021-11-02
Frequently asked questions
- What is Paul Leonor's NPI number?
- Paul Leonor's National Provider Identifier (NPI) is 1407275423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Leonor's specialty?
- Paul Leonor is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Leonor located?
- Paul Leonor's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is Paul Leonor's phone number?
- The practice phone number listed in the NPPES registry for Paul Leonor is (323) 226-7556.
- Does Paul Leonor accept Medicare?
- Paul Leonor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Leonor's NPI active?
- Yes — Paul Leonor's NPI (1407275423) is active in the NPPES registry as of the last update on 2021-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.