Doctor profile · Federal record

Dr. Alex Aslan, M.D.

Gastroenterology Physician · Concord, CA

  • NPI 1538115571
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2222 East St Ste 300
Concord, CA 945202066
(925) 682-7730
fax (925) 754-0765
Additional location
3903 Lone Tree Way Ste 205
Antioch, CA 945096269
(925) 754-8710

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 12, 2024
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #G62211

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538115571. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
253
Distinct HCPCS
8
Medicare allowed
$51,961
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 74 74 $255
99215 Established patient office or other outpatient visit, 40-54 minutes 55 51 $209
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 36 36 $111
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery 29 29 $223
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $197
45380 Biopsy of large bowel using a flexible endoscope 14 13 $151
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 13 13 $198
45378 Diagnostic exam of large bowel using a flexible endoscope 12 12 $206

In context: peer comparison

Among 3 peers in Concord Gastroenterology Physician, average services per provider: 53. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$178
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $102.65
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $37.81
Braintree Laboratories, INC. 1 $22.66
Janssen Biotech, INC. 1 $15.02

By nature of payment

Food and Beverage
$178

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
183
Patients
117
Total drug cost
$40,523
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 48 46 $3,523
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 39 33 $709
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 27 27 $4,688
Omeprazole Generic 21 11 $189
Pantoprazole Sodium Generic 20 0 $287
Budesonide ER (Budesonide) Brand 14 0 $14,411
Mesalamine Generic 14 0 $16,717

Frequently asked questions

Auto-generated from federal data
What is Dr. Alex Aslan's medical specialty?
Dr. Alex Aslan practices Gastroenterology Physician in Concord, CA.
Where does Dr. Alex Aslan practice?
Dr. Alex Aslan practices at 2222 East St Ste 300, Concord, CA 945202066. Office phone: 9256827730.
What is Dr. Alex Aslan's NPI?
Dr. Alex Aslan's National Provider Identifier (NPI) is 1538115571, issued by NPPES.
What procedures does Dr. Alex Aslan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.