DI FAN M.D.
NPI 1023245693
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Elk Grove Village, IL

Q: What is Di Fan's NPI number?

The NPI number for Di Fan is 1023245693. It was assigned to this individual provider in the NPPES registry on June 22, 2009.

Q: What is Di Fan's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Q: Is Di Fan enrolled in Medicare?

Yes. Di Fan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Q: When was this NPI record last updated?

The NPPES record for Di Fan was last updated on November 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 22, 2009PECOS EnrolledAccepts Medicare Assignment

800 BIESTERFIELD RD STE 201B, ELK GROVE VILLAGE, IL 60007(847) 593-8460(224) 235-4652 Get Directions Write a Review

NPPES record last updated: November 30, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 30, 2018, Nov 6, 2018 (2 updates tracked since 2018).

On this page

About Di Fan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DI FAN M.D. (NPI 1023245693) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Elk Grove Village, Illinois, licensed in Illinois (036123598) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1023245693

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameDI FANCredential: M.D.

Location Address800 BIESTERFIELD RD STE 201BElk Grove Village, IL 60007-3372

Mailing Address304 Wainwright DrNorthbrook, IL 60062-1900 · (847) 593-8460 · Fax (224) 235-4652

Phone(847) 593-8460

Fax(224) 235-4652

Sole ProprietorNo

Medical School CMSOtherGraduated 1983

Enumeration DateJune 22, 2009

Last NPPES UpdateNovember 30, 20182 updates tracked since enumeration

✔ NPI 1023245693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

License✔ Licensed in IL · 036123598

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Also ListedGeneral PracticeTaxonomy 208D00000X · License 036123598 (IL), MD038009 (DC)

800 BIESTERFIELD RD STE 201B, Elk Grove Village, IL 60007

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Other Identifiers 2

Medicaid036123598IL

OtherMD038009DC · License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Di Fan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971657180

PECOS Enrollment IDI20090821000159

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Di Fan reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Vein Clinics LLC

Same address

Vascular Surgery

800 BIESTERFIELD RD, STE 201
Elk Grove Village, IL 60007

Reassigned Medicare billing, Illinois enrollment
9 clinicians in this Medicare group

NPI 1578810651 (847) 897-6865

Usa Vascular Centers Of Chicago, LLC

11 mi

Vascular Surgery

4141 DUNDEE RD, SUITE B
Northbrook, IL 60062

Reassigned Medicare billing, Illinois enrollment
20 clinicians in this Medicare group

NPI 1174995674 (847) 593-8460

North Shore Vein Clinics LLC

11 mi

Vascular Surgery

4141 DUNDEE RD
Northbrook, IL 60062

Reassigned Medicare billing, Illinois enrollment
20 clinicians in this Medicare group

NPI 1841547098 (847) 897-6868

Vein Clinics Of Chicago LLC

16 mi

Vascular Surgery

3927 W BELMONT AVE, STE 103
Chicago, IL 60618

Reassigned Medicare billing, Illinois enrollment
20 clinicians in this Medicare group

NPI 1386904621 (847) 593-8460

Congress Vascular Center LLC

22 mi

Vascular Surgery

41 W CONGRESS PKWY FL 1
Chicago, IL 60605

Reassigned Medicare billing, Illinois enrollment
11 clinicians in this Medicare group

NPI 1396267324 (847) 593-8460

Congress Vein Clinic LLC

22 mi

Trauma Surgery

41 W CONGRESS PKWY, 1ST FLOOR
Chicago, IL 60605

Reassigned Medicare billing, Illinois enrollment
14 clinicians in this Medicare group

NPI 1467986901 (847) 593-8460

Illinois Phlebology Associates Sc

27 mi

Surgery

14225 S 95TH AVE STE 455
Orland Park, IL 60462

Reassigned Medicare billing, Illinois enrollment
11 clinicians in this Medicare group

NPI 1154378040 (708) 873-3450

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

190 services62 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

163 services120 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

130 services99 patients

Chemical destruction of first incompetent vein of arm or leg using imaging guidance 36482

This procedure involves using a chemical to close off a malfunctioning vein in your arm or leg. Imaging guidance is used to accurately locate the vein. This helps improve blood flow by rerouting it through healthier veins.

102 services48 patients

Injection of chemical agent into single incompetent vein of leg using ultrasound guidance 36465

This procedure involves injecting a chemical agent into a non-functioning vein in your leg. Ultrasound technology is used to accurately locate the vein. The chemical helps to close off the vein, rerouting blood flow to healthier veins.

81 services39 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

64 services64 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$183.39 typical visit price

range $60.08 – $183.39

Typical copayment $45.84 (range $15.02 – $45.84)

Most-billed visit code 99205

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Di Fan's NPI number?

The NPI number for Di Fan is 1023245693. It was assigned to this individual provider in the NPPES registry on June 22, 2009.

Where is Di Fan located?

Di Fan practices at 800 Biesterfield Rd Ste 201B, Elk Grove Village, IL 60007. The listed phone number is (847) 593-8460.

What is Di Fan's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Di Fan enrolled in Medicare?

Yes. Di Fan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Di Fan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Di Fan reassigns Medicare benefits to 7 organizations: Northwest Vein Clinics LLC (Elk Grove Village, IL), Usa Vascular Centers Of Chicago, LLC (Northbrook, IL), North Shore Vein Clinics LLC (Northbrook, IL), Vein Clinics Of Chicago LLC (Chicago, IL), Congress Vascular Center LLC (Chicago, IL) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Di Fan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Di Fan accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Di Fan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Di Fan was last updated on November 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.