Jeffrey Port, M.D.
NPI 1285635987 · Gastroenterology Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Port, M.D. is a Gastroenterology Physician provider in Oak Lawn, IL (NPI 1285635987).
Provider details
- NPI number
- 1285635987
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036060518 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
533 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 99 | $101 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 75 | $121 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 72 | $131 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 51 | $132 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 304 | 88 |
| Famotidine | 141 | 45 |
| Omeprazole | 133 | 37 |
| Mesalamine | 30 | — |
| Sucralfate | 26 | — |
| Lansoprazole | 21 | — |
| Adalimumabbrand: Humira(cf) Pen | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$340 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-03
- Last updated
- 2025-06-06
- Certified
- 2025-06-06
Frequently asked questions
- What is Jeffrey Port's NPI number?
- Jeffrey Port's National Provider Identifier (NPI) is 1285635987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Port's specialty?
- Jeffrey Port is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Port located?
- Jeffrey Port's practice location on file with NPPES is 9921 Southwest Hwy, Oak Lawn, IL 60453-3767.
- What is Jeffrey Port's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Port is (708) 499-5678.
- Does Jeffrey Port accept Medicare?
- Jeffrey Port is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Port's NPI active?
- Yes — Jeffrey Port's NPI (1285635987) is active in the NPPES registry as of the last update on 2025-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.