Keri Leah Fair, M.D., PH.D.
Family Medicine Physician · Chicago, IL
Keri Leah Fair, M.D., PH.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1003073735, issued on May 20, 2008. Check the license (Illinois 036119844, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Keri Leah Fair
- Credential
- M.D., PH.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036119844 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4600 N Ravenswood Ave, Chicago, IL 60640
- Phone
- (773) 561-7500
- Enumerated
- May 20, 2008
- Record last updated
- May 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (773) 561-7612
- Medicare enrollment
- Enrolled (PECOS I20080929000625); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 4600 N Ravenswood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mariela Cano, M.D.Family Medicine Physician1053342204
- Diana Chavez, DOFamily Medicine Physician1225731391
Verify Keri Leah Fair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036119844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family medicine physician in 2024
3,897 Medicare Part D claims for 380 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium335 claims
- Amlodipine Besylate198 claims
- Levothyroxine Sodium138 claims
- Lisinopril127 claims
- Rosuvastatin Calcium123 claims
- Pantoprazole Sodium104 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Rush Oak Park Physicians Group Family MedicineOak Park, IL
- Rush University Medical GroupOak Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keri Leah Fair among 6,215 family medicine physician records in Illinois
Keri Leah Fair, M.D., PH.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2005 · median 2006 among the 3,714 with a school on file
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Charles Crotteau, M.D.Chicago, IL 606401295757136
- Jose Elizondo, MDChicago, IL 606401912934985
- Anees Fatima, MDChicago, IL 606401154341709
- Richard Guthmann, MDChicago, IL 606401831112978
- My Mark, M.D.Chicago, IL 606401396772661
- James Mo, MDChicago, IL 606401962486571
Common questions
What is Keri Leah Fair, M.D., PH.D.'s NPI number?
Keri Leah Fair, M.D., PH.D.'s National Provider Identifier (NPI) is 1003073735, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Keri Leah Fair, M.D., PH.D. located?
The NPPES record lists a practice address at 4600 N Ravenswood Ave, Chicago, IL, 60640. Phone: (773) 561-7500. Providers update this record themselves, so call before visiting.
How can I verify Keri Leah Fair, M.D., PH.D.'s license?
NPPES lists Illinois license number 036119844, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Keri Leah Fair, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Keri Leah Fair, M.D., PH.D. had 3,897 Medicare Part D claims for 380 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.