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DR. IAN F GREEN MD, MPH
NPI 1629428859
Internal Medicine - Rheumatology in Evanston, IL

Active since June 19, 2016PECOS EnrolledAccepts Medicare Assignment
93.08/100
CMS Quality Rating
2650 RIDGE AVE, EVANSTON, IL 60201(847) 570-2040(847) 733-5315 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 29, 2026, Jul 10, 2020, Aug 22, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Ian F Green Md, Mph NPPES

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

DR. IAN F GREEN MD, MPH (NPI 1629428859) is an individual rheumatology provider in Evanston, Illinois, licensed in Illinois (036163857) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Ohio State University College Of Medicine (2016).

NPPES Registry Identity

NPI1629428859
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. IAN F GREENCredential: MD, MPH
Location Address2650 RIDGE AVEEvanston, IL 60201-1700
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315
Phone(847) 570-2040
Fax(847) 733-5315
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2016
Enumeration DateJune 19, 2016
Last NPPES UpdateJanuary 29, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
✔ NPI 1629428859 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in IL · 036163857
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
2650 RIDGE AVE, Evanston, IL 60201
Open in Google Maps ↗

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ian F Green Md, Mph 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 ID1557637626
PECOS Enrollment IDI20230823001320
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.

Areas of Expertise CMS Part B claims 4

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
70 services36 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
62 services62 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
33 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
19 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. THOMAS LEE CIBULL M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Cook County (847) 570-2040
DR. DANIEL K. WEST MD
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, DEPARTMENT OF RADIOLOGY, G507
EVANSTON, IL 60201
Cook County (847) 570-2475
JOEL BERNSTEIN M.D.
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Cook County (847) 570-1206
MATTHEW R. SHERWOOD MD
Internal Medicine
2650 RIDGE AVE, DIVISION OF INTERNAL MEDICINE RM 4324
EVANSTON, IL 60201
Cook County (847) 570-1010
MICHAEL T. GILLAM M.D.
Emergency Medicine
2650 RIDGE AVE, EMERGENCY MEDICINE RM G909
EVANSTON, IL 60201
Cook County (847) 570-2114
MARLENE ANGELICO CNP
Nurse Practitioner (Acute Care)
2650 RIDGE AVE, EMERGENCY MEDICINE, RM G903C
EVANSTON, IL 60201
Cook County (847) 570-1355
DR. SADIE ANNE LAPONSIE M.D.
Pediatrics
2650 RIDGE AVE
EVANSTON, IL 60201
Cook County (847) 570-2000
ANNE PEIFFER MD
Obstetrics & Gynecology
2650 RIDGE AVE
EVANSTON, IL 60201
Cook County (847) 570-3624

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 Ian Green's NPI number?

The NPI number for Ian Green is 1629428859. It was assigned to this individual provider in the NPPES registry on June 19, 2016.

Where is Ian Green located?

Ian Green practices at 2650 Ridge Ave, Evanston, IL 60201. The listed phone number is (847) 570-2040.

What is Ian Green's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Ian Green enrolled in Medicare?

Yes. Ian Green 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.

What insurance does Ian Green accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Ian Green 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.

Is Ian Green affiliated with any hospitals?

According to CMS data, Ian Green is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Ian Green was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.