Cecily Ann Byrne, MS, RD, LDN
Registered Dietitian · Chicago, IL
Cecily Ann Byrne, MS, RD, LDN is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1841315579, issued on Mar 20, 2007. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cecily Ann Byrne
- Credential
- MS, RD, LDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- Practice location
- 2929 S Ellis Ave, Chicago, IL 60616
- Phone
- (312) 791-2497
- Enumerated
- Mar 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 2929 S Ellis Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cecily Ann Byrne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
935 registered dietitian records list a practice address in Chicago
They are 935 of the 63,379 NPPES records with a practice address in Chicago, and 2,870 registered dietitian records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 935 in Chicago → All 2,870 in Illinois → Every provider in Chicago →
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- Leen Abdulqader, RDBridgeview, IL1689372526
- Abdullah AbdulwahidPlainfield, IL1417880980
- Priscilla Abel Paul, RDNBement, IL1215782941
- Kathleen Abernathy, R.D., L.D.N.Lake Forest, IL1295020063
- Patricia AbernathyLa Grange, IL1063174837
- Michael Abromaitis, RDNSkokie, IL1710402797
Common questions
What is Cecily Ann Byrne, MS, RD, LDN's NPI number?
Cecily Ann Byrne, MS, RD, LDN's National Provider Identifier (NPI) is 1841315579, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cecily Ann Byrne, MS, RD, LDN located?
The NPPES record lists a practice address at 2929 S Ellis Ave, Chicago, IL, 60616. Phone: (312) 791-2497. Providers update this record themselves, so call before visiting.
How can I verify Cecily Ann Byrne, MS, RD, LDN's license?
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.