Melissa A. Sujak
Registered Dietitian · Chicago, IL
Melissa A. Sujak is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1932280005, issued on Oct 17, 2006. Check the license (Illinois 164003169, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa A. Sujak
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 164003169 IL
Self-reported in NPPES; status is on the state search - Practice location
- 259 E Erie St, Chicago, IL 60611
- Phone
- (312) 926-6000
- Enumerated
- Oct 17, 2006
- Record last updated
- May 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (312) 926-6344
- Medicare enrollment
- Enrolled (PECOS I20061206000504); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 2,870 in Illinois → Look up another NPI →
Also registered at 259 E Erie St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melissa A. Sujak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 164003169Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa A. Sujak among 2,870 registered dietitian records in Illinois
Melissa A. Sujak is one of 2,870 registered dietitian records with a practice address in Illinois. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated1998 · median 2014 among the 269 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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.
All 2,870 in Illinois → Every provider in Chicago → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Janet Arenas, LDNChicago, IL 606111871709881
- Dawn Blatner, RDChicago, IL 606111528141363
- Catherine Claysen, M.S.R.D.L.D.Chicago, IL 606111912089392
- Catherine Diaz, MS, RDChicago, IL 606111205068343
- Bethany Doerfler, DIET NUTRITIONISTChicago, IL 606111801971049
- Holly Herrington, MS, RD, LDNChicago, IL 606111811130024
- Anne LeavellChicago, IL 606111104912427
- Laurie MaimonisChicago, IL 606111407942774
Common questions
What is Melissa A. Sujak's NPI number?
Melissa A. Sujak's National Provider Identifier (NPI) is 1932280005, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa A. Sujak located?
The NPPES record lists a practice address at 259 E Erie St, Chicago, IL, 60611. Phone: (312) 926-6000. Providers update this record themselves, so call before visiting.
How can I verify Melissa A. Sujak's license?
NPPES lists Illinois license number 164003169, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
What is Melissa A. Sujak's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.