Doctor profile · Federal record

Dr. Shahram Javaheri, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Mission Viejo, CA

  • NPI 1497861439
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
26691 Plaza Ste 150
Mission Viejo, CA 926916329
(949) 389-0660
fax (949) 389-0668
Additional location
320 Sunnyview Ln
Kalispell, MT 599013129
(406) 752-7441
fax (406) 257-0304
Mailing address
Po Box 12512
Newport Beach, CA 926585065

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 4, 2022
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
California #A064239 · Montana #MED-PHYS-LIC-114422
Medicaid
CA #00A642390

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497861439. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
752
Distinct HCPCS
10
Medicare allowed
$108,661
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 165 159 $179
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 82 46 $79
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 69 68 $89
99203 New patient office or other outpatient visit, 30-44 minutes 59 59 $122
99214 Established patient office or other outpatient visit, 30-39 minutes 52 43 $136
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 50 50 $246
45380 Biopsy of large bowel using a flexible endoscope 49 49 $106
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 41 41 $112
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $180
45378 Diagnostic exam of large bowel using a flexible endoscope 29 29 $183

In context: peer comparison

Among 7 peers in this city , average services per provider: 55. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$916
Transactions
42
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 11 $229.92
Salix Pharmaceuticals, a division of Bausch Health US, LLC 9 $186.38
ABBVIE INC. 6 $140.41
GENZYME CORPORATION 3 $92.37
AIMMUNE THERAPEUTICS, INC. 3 $62.40
Regeneron Healthcare Solutions, Inc. 2 $53.33
PFIZER INC. 2 $48.55
Boston Scientific Corporation 2 $45.21
Lilly USA, LLC 1 $16.77
Celltrion USA Inc. 1 $13.56
Takeda Pharmaceuticals U.S.A., Inc. 1 $13.54
Braintree Laboratories, Inc. 1 $13.10

By nature of payment

Food and Beverage
$916

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
619
Patients
225
Total drug cost
$159,353
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 229 75 $2,885
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 88 88 $6,813
Omeprazole Generic 56 18 $1,215
Linzess (Linaclotide) Brand 53 14 $36,484
Mesalamine Generic 28 0 $17,766
Mesalamine Er (Mesalamine) Brand 26 0 $8,928
Lactulose Generic 22 0 $208
Creon (Lipase/Protease/Amylase) Brand 18 0 $31,410
Famotidine Generic 16 0 $306
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 16 16 $393

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shahram Javaheri's medical specialty?
Dr. Shahram Javaheri practices Gastroenterology Physician in Mission Viejo, CA.
Where does Dr. Shahram Javaheri practice?
Dr. Shahram Javaheri practices at 26691 Plaza Ste 150, Mission Viejo, CA 926916329. Office phone: 9493890660.
What is Dr. Shahram Javaheri's NPI?
Dr. Shahram Javaheri's National Provider Identifier (NPI) is 1497861439, issued by NPPES.
Does Dr. Shahram Javaheri accept Medicare assignment?
Dr. Shahram Javaheri does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Shahram Javaheri commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.