Catherine Njenga, MD
Family Medicine Physician · Chicago, IL
Catherine Njenga, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1194457556, issued on Jun 25, 2022. Check the license (Illinois 036.173169, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Catherine Njenga
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036.173169 IL
125.080971 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1625 E 75TH St, Chicago, IL 60649
- Phone
- (773) 947-7313
- Enumerated
- Jun 25, 2022
- Record last updated
- Aug 11, 2025
- Fax
- (773) 947-7721
- Medicare enrollment
- Enrolled (PECOS I20251201000564); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1625 E 75TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kidus Miruts, MDFamily Medicine Physician1972469781
- Shirley Montgomery, M.D.Pediatrics Physician1437192242
Verify Catherine Njenga 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 036.173169Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
56 Medicare Part D claims for 17 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Catherine Njenga among 6,215 family medicine physician records in Illinois
Catherine Njenga, MD 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2006 among the 3,714 with a school on file
- Record last updated2025 · 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
- Lakshmi Dodda, M. D.Chicago, IL 606491326066101
- Michael Foreman, MDChicago, IL 606491922151117
- Kumar Kaliana, M.D.Chicago, IL 606491154465664
- Rajiv Kandala, M.D.Chicago, IL 606491376608059
- Abdulhamid Keswani, M.D.Chicago, IL 606491861439663
- Hee Kim, MDChicago, IL 606491891851622
- Georgia Lubben, M. D.Chicago, IL 606491619902236
- Ruksana Nazneen, M. D.Chicago, IL 606491063432474
Common questions
What is Catherine Njenga, MD's NPI number?
Catherine Njenga, MD's National Provider Identifier (NPI) is 1194457556, issued on Jun 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Njenga, MD located?
The NPPES record lists a practice address at 1625 E 75TH St, Chicago, IL, 60649. Phone: (773) 947-7313. Providers update this record themselves, so call before visiting.
How can I verify Catherine Njenga, MD's license?
NPPES lists Illinois license number 036.173169, 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 Catherine Njenga, MD prescribe under Medicare Part D?
In 2024, Catherine Njenga, MD had 56 Medicare Part D claims for 17 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.