DR. KERI LEAH FAIR M.D., PH.D.
NPI 1003073735
Family Medicine in Chicago, IL

Q: What is Keri Fair's NPI number?

The NPI number for Keri Fair is 1003073735. It was assigned to this individual provider in the NPPES registry on May 20, 2008.

Q: What is Keri Fair's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Keri Fair was last updated on May 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 May 20, 2008PECOS EnrolledAccepts Medicare Assignment

4600 N RAVENSWOOD AVE, 2ND FLOOR, CHICAGO, IL 60640(773) 561-7500(773) 561-7612 Get Directions Write a Review

NPPES record last updated: May 20, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Keri Leah Fair M.d., Ph.d. NPPES

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

DR. KERI LEAH FAIR M.D., PH.D. (NPI 1003073735) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036119844) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2005).

NPPES Registry Identity

NPI1003073735

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. KERI LEAH FAIRCredential: M.D., PH.D.

Location Address4600 N RAVENSWOOD AVE, 2ND FLOORChicago, IL 60640-4510

Mailing Address4600 N Ravenswood Ave, 2nd FloorChicago, IL 60640-4510 · (773) 561-7500 · Fax (773) 561-7612

Phone(773) 561-7500

Fax(773) 561-7612

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2005

Enumeration DateMay 20, 2008

✔ NPI 1003073735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036119844

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.

4600 N RAVENSWOOD AVE, Chicago, IL 60640

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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

Dr. Keri Leah Fair M.d., Ph.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 ID446327738

PECOS Enrollment IDI20080929000625

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 Keri Fair reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush University Medical Center

6.3 mi

Diagnostic Radiology

1620 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Rush University Medical Group
2,169 clinicians in this Medicare group

NPI 1184269425 (312) 563-4270

Rush Oak Park ER Physicians Group

8.9 mi

Emergency Medical Services

520 S MAPLE AVE, EMERGENCY DEPARTMENT
Oak Park, IL 60304

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

NPI 1447260880 (708) 660-5995

Rush Oak Park Physicians Group Family Medicine

9.0 mi

Family Medicine

610 S MAPLE AVE, SUITE 2500
Oak Park, IL 60304

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

NPI 1194096610 (708) 660-2900

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 12

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.

215 services131 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.

154 services135 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

100 services100 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

47 services47 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

41 services41 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

23 services20 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.

15 services14 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.

14 services14 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

12 services12 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

12 services12 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

11 services11 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140063

Location520 S Maple AveOak Park, IL 60304 · Cook County

Emergency services

Rush University Medical Center

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140119

Location1653 West Congress ParkwayChicago, IL 60612 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60640 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

4 suppliers12 claims67 services$14.61 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

4 suppliers12 claims12 services$49.13 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

4 suppliers12 claims71 services$1.75 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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. DAVID EUGENE KLEIN DO

Psychiatry & Neurology (Neurology)

4600 N RAVENSWOOD AVE
CHICAGO, IL 60640

Cook County (773) 561-7500

MEAGAN ROSE MCCORMICK DO

Family Medicine

4600 N RAVENSWOOD AVE
CHICAGO, IL 60640

Cook County (773) 561-7500

POOJA KANTHAWAR MD

Family Medicine

4600 N RAVENSWOOD AVE
CHICAGO, IL 60640

Cook County (773) 561-7500

MARIELA CANO M.D.

Family Medicine

4600 N RAVENSWOOD AVE, 2ND FLR
CHICAGO, IL 60640

Cook County (773) 561-7500

HEMISHA SANGANI DO

Family Medicine

4600 N RAVENSWOOD AVE
CHICAGO, IL 60640

Cook County (773) 561-7500

FARANAK NAJIBI M.D

Psychiatry & Neurology (Neurology)

4600 N RAVENSWOOD AVE
CHICAGO, IL 60640

Cook County (773) 561-7500

KIMBERLY ROWGHANI DO

Family Medicine

4600 N RAVENSWOOD AVE
CHICAGO, IL 60640

Cook County (773) 561-7500

CLAIRE CATHERINE OOSTERBAAN DO

Family Medicine

4600 N RAVENSWOOD AVE
CHICAGO, IL 60640

Cook County (773) 561-7500

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 Keri Fair's NPI number?

The NPI number for Keri Fair is 1003073735. It was assigned to this individual provider in the NPPES registry on May 20, 2008.

Where is Keri Fair located?

Keri Fair practices at 4600 N Ravenswood Ave 2nd Floor, Chicago, IL 60640. The listed phone number is (773) 561-7500.

What is Keri Fair's specialty?

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

Is Keri Fair enrolled in Medicare?

Yes. Keri Fair 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 Keri Fair's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keri Fair reassigns Medicare benefits to 3 organizations: Rush University Medical Center (Chicago, IL), Rush Oak Park ER Physicians Group (Oak Park, IL) and Rush Oak Park Physicians Group Family Medicine (Oak Park, 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 Keri Fair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Keri Fair accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Keri Fair 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 Keri Fair affiliated with any hospitals?

According to CMS data, Keri Fair is affiliated with Rush Oak Park Hospital and Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Keri Fair was last updated on May 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.