Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANDREW NIROSHAN SELVARAJAH M.D.
NPI 1669764635
Family Medicine in Chicago, IL

Active since May 10, 2011PECOS EnrolledAccepts Medicare Assignment
635 N FAIRBANKS CT, CHICAGO, IL 60611(312) 472-3173(312) 472-3176 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 14, 2026, May 3, 2021, May 23, 2019 (3 updates tracked since 2019).

About Andrew Niroshan Selvarajah M.d. NPPES

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

ANDREW NIROSHAN SELVARAJAH M.D. (NPI 1669764635) is an individual family medicine provider in Chicago, Illinois, licensed in California (C207785) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1669764635
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameANDREW NIROSHAN SELVARAJAHCredential: M.D.
Location Address635 N FAIRBANKS CTChicago, IL 60611-5435
Mailing Address9977 Woods Dr Fl 1Skokie, IL 60077-1057 · (224) 364-2273 · Fax (847) 663-8290
Fax(312) 472-3176
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateMay 10, 2011
Last NPPES UpdateOctober 14, 20263 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1669764635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · C207785✔ Licensed in IL · 036147132
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
635 N FAIRBANKS CT, Chicago, IL 60611

Secondary Practice Locations 2

Location 14410 106th St SWMukilteo, WA 98275-4700 · Phone (425) 493-6000
Location 29977 Woods Dr Fl 1Skokie, IL 60077 · Phone (224) 364-2273 · Fax (847) 663-8290

Other Identifiers 2

Medicaid0111304OH
Medicaid2047778WA

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

Andrew Niroshan Selvarajah 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 ID6406085810
PECOS Enrollment IDI20190418000756
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

2

Medicare enrollment records show Andrew Selvarajah reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group

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 16

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
177 services140 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
156 services148 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.
145 services141 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.
90 services89 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
42 services41 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
34 services33 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 6

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

Emergency Medicine
635 N FAIRBANKS CT
CHICAGO, IL 60611
Nurse Practitioner (Family)
635 N FAIRBANKS CT
CHICAGO, IL 60611
Nurse Practitioner (Family)
635 N FAIRBANKS CT
CHICAGO, IL 60611
Nurse Practitioner
635 N FAIRBANKS CT
CHICAGO, IL 60611
Family Medicine
635 N FAIRBANKS CT
CHICAGO, IL 60611
Physician Assistant
635 N FAIRBANKS CT
CHICAGO, IL 60611

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 Andrew Selvarajah's NPI number?

The NPI number for Andrew Selvarajah is 1669764635. It was assigned to this individual provider in the NPPES registry on May 10, 2011.

Where is Andrew Selvarajah located?

Andrew Selvarajah practices at 635 N Fairbanks Ct, Chicago, IL 60611. The listed phone number is (312) 472-3173.

What is Andrew Selvarajah's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Andrew Selvarajah enrolled in Medicare?

Yes. Andrew Selvarajah 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 Andrew Selvarajah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Selvarajah reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Andrew Selvarajah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Andrew Selvarajah affiliated with any hospitals?

According to CMS data, Andrew Selvarajah is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Andrew Selvarajah was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.