Doctor profile · Federal record

Dr. Paul Leonor, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Los Angeles, CA

  • NPI 1407275423
  • Accepts Medicare
  • MIPS 76.4 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 N State St, CT-A7D
Los Angeles, CA 900331029
(323) 226-7556
fax (323) 226-2657

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
November 2, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A141042
Medicaid
CA #PL3232267556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407275423. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
339
Distinct HCPCS
10
Medicare allowed
$49,429
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 51 51 $132
74328 Review by radiologist of image from tube placement into bile duct using an endoscope 42 35 $23
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 40 39 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 38 33 $132
43264 Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 30 27 $124
43274 Insertion of stent into pancreatic or bile duct using a flexible endoscope 26 20 $390
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 26 26 $235
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 14 14 $115
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $225
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $201

In context: peer comparison

Among 52 peers in Los Angeles Gastroenterology Physician, average services per provider: 124. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$807
Transactions
14
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 11 $525.02
Mallinckrodt Hospital Products INC. 1 $150.01
Erbe USA INC 1 $97.42
Olympus America INC. 1 $34.68

By nature of payment

Food and Beverage
$807

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
113
Patients
37
Total drug cost
$15,918
Drug Type Claims Patients Total cost
Omeprazole Generic 35 16 $681
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 23 21 $409
Pantoprazole Sodium Generic 18 0 $470
Famotidine Generic 14 0 $146
Linzess (Linaclotide) Brand 12 0 $9,771
Creon (Lipase/Protease/Amylase) Brand 11 0 $4,441

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Leonor's medical specialty?
Dr. Paul Leonor practices Gastroenterology Physician in Los Angeles, CA.
Where does Dr. Paul Leonor practice?
Dr. Paul Leonor practices at 1200 N State St, Los Angeles, CA 900331029. Office phone: 3232267556.
What is Dr. Paul Leonor's NPI?
Dr. Paul Leonor's National Provider Identifier (NPI) is 1407275423, issued by NPPES.
Does Dr. Paul Leonor accept Medicare assignment?
Yes. Dr. Paul Leonor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Leonor commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Review by radiologist of image from tube placement into bile duct using an endoscope (HCPCS 74328); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.