Ofer Fass, MD

Gastroenterology Internal Medicine

Ofer Fass is a Gastroenterology Internal Medicine specialist based in Chicago, IL with over 9 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(312) 695-5620Chicago, IL
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Ofer Fass, MD practices as part of a group gastroenterologist practice in Chicago, IL. Trained at Harvard Medical School (class of 2017), he has been practicing for over 9 years. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.

1 of 199 Internal Medicine providers in ILSee all Internal Medicine in Chicago9+ years experienceNPI since 2017

Older · 526dNPPES updated 2024-12-17 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical

Contact & Location

Practice Location

259 E Erie St Ste 1600, Chicago, IL 60611-3111

Fax: (312) 695-2778
Industry Payment Transparency

$677 received from industry

6 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Ofer Fass's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2017

    Harvard Medical School

  2. Board certified · Dec 16, 2024

    Self-reported via NPPES

  3. 9 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

Harvard Medical School (Class of 2017)

Practice Footprint

Mailing address

550 1st Ave, New York, NY 10016-6402

Differs from practice location

Virtual Internal Medicine Care With Ofer Fass

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Ofer Fass for follow-ups, medication reviews, and ongoing care — no travel to Chicago required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Ofer Fass

NPI records show Dr. Fass as active with telehealth listed in Chicago, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (312) 695-5620.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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