Katharyn Hymes, FNP
Family Medicine Physician · Northbrook, IL
Katharyn Hymes, FNP is a family medicine physician with a practice address in Northbrook, Illinois, and NPI 1891222097, issued on May 18, 2017. Check the license (Illinois 277.000817, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Katharyn Hymes
- Credential
- FNP
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 277.000817 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4179 Dundee RD Ste A106, Northbrook, IL 60062
- Phone
- (847) 402-2300
- Enumerated
- May 18, 2017
- Record last updated
- Jul 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20180312001263); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify Katharyn Hymes 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 277.000817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
50 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.
Industry payments in 2024: $22.78
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Premise Health OF Illinois Medical PCNorthbrook, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharyn Hymes among 6,215 family medicine physician records in Illinois
Katharyn Hymes, FNP 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 2017, is newer than 73% of them.
- NPI issued2017 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2006 among the 3,714 with a school on file
- Record last updated2024 · 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).
Family Medicine Physician providers in Illinois
There are 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Northbrook → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nagham Al-Bana, MDNorthbrook, IL 600621811250681
- Larissa Berestenko, MDNorthbrook, IL 600621720161656
- Amanda Caplan, MDNorthbrook, IL 600621013108026
- Cathie Dunal, MD MPHNorthbrook, IL 600621639219934
- Steven Eisenstein, MDNorthbrook, IL 600621447259015
- Marcy Kamen, MDNorthbrook, IL 600621225037989
- Rebecca Malik, MDNorthbrook, IL 600621326386731
- Joseph Nano, M.D.Northbrook, IL 600621699965186
Common questions
What is Katharyn Hymes, FNP's NPI number?
Katharyn Hymes, FNP's National Provider Identifier (NPI) is 1891222097, issued on May 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katharyn Hymes, FNP located?
The NPPES record lists a practice address at 4179 Dundee RD Ste A106, Northbrook, IL, 60062. Phone: (847) 402-2300. Providers update this record themselves, so call before visiting.
How can I verify Katharyn Hymes, FNP's license?
NPPES lists Illinois license number 277.000817, 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 Katharyn Hymes, FNP prescribe under Medicare Part D?
In 2024, Katharyn Hymes, FNP had 50 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.