Doctor profile · Federal record
Dr. Kenneth Oriordan, MD
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Niles, IL
- NPI 1912075649
- Accepts Medicare
- 28 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
7900 Milwaukee Ave, Suite 19
Niles, IL 607143159
(847) 318-9595
fax (847) 318-9599 - Additional location
-
1401 25Th St S
Great Falls, MT 594055183
(406) 731-8888
fax (406) 731-8318 - Additional location
-
259 E Erie St Ste 1600
Chicago, IL 606113111
(312) 695-5620
fax (312) 695-7095 - Mailing address
-
7900 N Milwaukee Ave Ste 19
Niles, IL 607143239
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- October 23, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Illinois #036084107 · Montana #57870
- Medicaid
- IL #036084107
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912075649. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
775
Distinct HCPCS
10
Medicare allowed
$100,517
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 133 | 133 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 127 | 115 | $94 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 102 | 102 | $89 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 102 | 87 | $133 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 95 | 95 | $144 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 61 | 61 | $259 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 33 | 18 | $81 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 33 | 33 | $193 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 18 | $69 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 17 | 17 | $188 |
In context: peer comparison
Among 4 peers in Niles Gastroenterology Physician, average services per provider: 60. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
572
Patients
125
Total drug cost
$313,175
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 83 | 34 | $1,403 |
| Dicyclomine Hcl | Generic | 60 | 27 | $2,035 |
| Pantoprazole Sodium | Generic | 58 | 25 | $1,229 |
| Xifaxan (Rifaximin) | Brand | 54 | 0 | $182,610 |
| Ursodiol | Generic | 46 | 14 | $15,072 |
| Mesalamine | Generic | 40 | 0 | $39,034 |
| Linzess (Linaclotide) | Brand | 39 | 14 | $33,115 |
| Sucralfate | Generic | 32 | 0 | $1,900 |
| Metoclopramide Hcl | Generic | 31 | 0 | $233 |
| Ondansetron Hcl | Generic | 30 | 11 | $386 |
Hospital affiliations
Frequently asked questions
What is Dr. Kenneth Oriordan's medical specialty?
Dr. Kenneth Oriordan practices Gastroenterology Physician in Niles, IL.
Where does Dr. Kenneth Oriordan practice?
Dr. Kenneth Oriordan practices at 7900 Milwaukee Ave, Niles, IL 607143159. Office phone: 8473189595.
What is Dr. Kenneth Oriordan's NPI?
Dr. Kenneth Oriordan's National Provider Identifier (NPI) is 1912075649, issued by NPPES.
Does Dr. Kenneth Oriordan accept Medicare assignment?
Yes. Dr. Kenneth Oriordan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Oriordan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.