Doctor profile · Federal record

Dr. Jeffrey Port, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Oak Lawn, IL

  • NPI 1285635987
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9921 Southwest Hwy
Oak Lawn, IL 604533767
(708) 499-5678
Mailing address
1111 W Vernon Park Pl
Chicago, IL 606073424

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
June 6, 2025
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036060518

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285635987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
549
Distinct HCPCS
10
Medicare allowed
$68,802
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 107 103 $111
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 95 64 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 60 51 $130
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 52 40 $125
45380 Biopsy of large bowel using a flexible endoscope 51 51 $163
99443 Telephone medical discussion with physician, 21-30 minutes 49 42 $129
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 47 47 $137
45378 Diagnostic exam of large bowel using a flexible endoscope 25 25 $193
45381 Injection beneath lining of large bowel using a flexible endoscope 23 23 $15
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 23 23 $234

In context: peer comparison

Among 7 peers in this city , average services per provider: 65. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$340
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Pinnacle Biologics, Inc 1 $115.81
Janssen Biotech, Inc. 3 $93.14
QOL Medical, LLC 2 $53.50
Phathom Pharmaceuticals, Inc. 2 $29.98
Takeda Pharmaceuticals U.S.A., Inc. 1 $29.88
ABBVIE INC. 1 $17.96

By nature of payment

Food and Beverage
$340

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
846
Patients
273
Total drug cost
$146,782
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 376 111 $6,292
Omeprazole Generic 168 58 $3,491
Famotidine Generic 119 40 $2,307
Sucralfate Generic 65 17 $13,425
Dicyclomine Hcl Generic 34 14 $839
Lansoprazole Generic 23 13 $3,097
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 20 20 $355
Mesalamine Generic 15 0 $14,474
Linzess (Linaclotide) Brand 14 0 $11,961
Humira(Cf) Pen (Adalimumab) Brand 12 0 $90,541

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Port's medical specialty?
Dr. Jeffrey Port practices Gastroenterology Physician in Oak Lawn, IL.
Where does Dr. Jeffrey Port practice?
Dr. Jeffrey Port practices at 9921 Southwest Hwy, Oak Lawn, IL 604533767. Office phone: 7084995678.
What is Dr. Jeffrey Port's NPI?
Dr. Jeffrey Port's National Provider Identifier (NPI) is 1285635987, issued by NPPES.
Does Dr. Jeffrey Port accept Medicare assignment?
Yes. Dr. Jeffrey Port accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Port commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.