Darlene Mary Holop, RDN
Nutritionist · Libertyville, IL
Darlene Mary Holop, RDN is a nutritionist with a practice address in Libertyville, Illinois, and NPI 1114580446, issued on Apr 22, 2019. Check the license (Illinois 164.002439, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Darlene Mary Holop
- Credential
- RDN
- Primary taxonomy
- Nutritionist 133N00000X
- License number
- 164.002439 IL
Self-reported in NPPES; status is on the state search - Practice location
- 150 E Cook Ave, Libertyville, IL 60048
- Phone
- (847) 525-8200
- Enumerated
- Apr 22, 2019
- Record last updated
- Jul 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nutritionist records → All 109 in Illinois → Look up another NPI →
Also registered at 150 E Cook Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Danielle Gaffke, LCSWClinical Social Worker1063562189
- Edward Zehr, MSWClinical Social Worker1306923511
Verify Darlene Mary Holop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 164.002439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Darlene Mary Holop among 109 nutritionist records in Illinois
Darlene Mary Holop, RDN is one of 109 nutritionist records with a practice address in Illinois. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 44% of them.
- NPI issued2019 · 44% of these records are older, 51% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · 5% of these records are
- Record last updated2019 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133N00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nutritionist providers in Illinois
There are 109 nutritionist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 109 in Illinois → Every provider in Libertyville → Nutritionist nationwide →
The 8 nutritionist records with the nearest ZIP codes
- Kailyn Helgeson, NUTRITIONISTLake Zurich, IL 600471760121685
- Kyle Russ, CNSLake Zurich, IL 600471689439317
- Jessica Krupka, CNS, LDNLake Forest, IL 600451053249367
- Zhamya HamptonMount Prospect, IL 600561255257358
- Hope Anderson, RDHighland Park, IL 600351306917448
- Jane Watson, ACE, ASFAHighland Park, IL 600351376336917
- Joellen Kaufman, M.S.,L.D.N.Northbrook, IL 600621558513358
- Marcy KirshenbaumNorthbrook, IL 600621245653278
Common questions
What is Darlene Mary Holop, RDN's NPI number?
Darlene Mary Holop, RDN's National Provider Identifier (NPI) is 1114580446, issued on Apr 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Darlene Mary Holop, RDN located?
The NPPES record lists a practice address at 150 E Cook Ave, Libertyville, IL, 60048. Phone: (847) 525-8200. Providers update this record themselves, so call before visiting.
How can I verify Darlene Mary Holop, RDN's license?
NPPES lists Illinois license number 164.002439, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.