Doctor profile · Federal record

Dr. Hussain Al-Darsani, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Chino, CA

  • NPI 1669429775
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5562 Philadelphia St Ste 203
Chino, CA 917102482
(909) 287-0440
fax (909) 287-0145

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 18, 2024
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A68782
Medicaid (2)
CA #00A6768210 · CA #00A6878210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669429775. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
694
Distinct HCPCS
10
Medicare allowed
$73,083
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 119 107 $5
99213 Established patient office or other outpatient visit, 20-29 minutes 83 66 $93
99203 New patient office or other outpatient visit, 30-44 minutes 67 67 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 59 59 $177
99214 Established patient office or other outpatient visit, 30-39 minutes 58 48 $132
99212 Established patient office or other outpatient visit, 10-19 minutes 52 50 $59
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 48 46 $13
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 46 46 $253
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 41 39 $130
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 40 31 $121

In context: peer comparison

Among 2 peers in Chino Gastroenterology Physician, average services per provider: 45. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$797
Transactions
38
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 6 $150.20
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 9 $141.17
Ardelyx, INC. 4 $85.36
Celgene Corporation 4 $72.49
Abbvie INC. 3 $72.37
Madrigal Pharmaceuticals 2 $49.60
Albireo Pharma, INC. 2 $48.41
Gilead Sciences, INC. 2 $47.94
Braintree Laboratories, INC. 2 $42.15
Pfizer INC. 1 $26.86
Janssen Biotech, INC. 1 $24.87
Qol Medical, LLC 1 $19.80
Ipsen Biopharmaceuticals, INC 1 $16.15

By nature of payment

Food and Beverage
$797

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,976
Patients
997
Total drug cost
$221,005
Drug Type Claims Patients Total cost
Omeprazole Generic 301 113 $4,666
Pantoprazole Sodium Generic 293 120 $5,046
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 281 281 $19,510
Linzess (Linaclotide) Brand 167 57 $119,283
Sucralfate Generic 131 35 $6,608
Lansoprazole Generic 121 50 $4,512
Metformin Hcl ER (Metformin Hcl) Brand 105 33 $1,896
Amitriptyline Hcl Generic 97 26 $742
Famotidine Generic 86 35 $2,519
Creon (Lipase/Protease/Amylase) Brand 80 20 $40,671

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hussain Al-Darsani's medical specialty?
Dr. Hussain Al-Darsani practices Gastroenterology Physician in Chino, CA.
Where does Dr. Hussain Al-Darsani practice?
Dr. Hussain Al-Darsani practices at 5562 Philadelphia St Ste 203, Chino, CA 917102482. Office phone: 9092870440.
What is Dr. Hussain Al-Darsani's NPI?
Dr. Hussain Al-Darsani's National Provider Identifier (NPI) is 1669429775, issued by NPPES.
Does Dr. Hussain Al-Darsani accept Medicare assignment?
Yes. Dr. Hussain Al-Darsani accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hussain Al-Darsani commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.