Julie Mae Olzak, MS, RD, CD
Registered Dietitian · Green Bay, WI
Julie Mae Olzak, MS, RD, CD is a registered dietitian with a practice address in Green Bay, Wisconsin, and NPI 1972254993, issued on Jan 11, 2022. Check the license with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Julie Mae Olzak
- Credential
- MS, RD, CD
- Primary taxonomy
- Registered Dietitian 133V00000X
- Practice location
- 744 S Webster Ave, Green Bay, WI 54301
- Phone
- (920) 445-7373
- Enumerated
- Jan 11, 2022
- Record last updated
- Apr 11, 2023
- Medicare enrollment
- Enrolled (PECOS I20250702002167); may accept Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 1,457 in Wisconsin → Look up another NPI →
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Verify Julie Mae Olzak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin 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
Julie Mae Olzak among 1,457 registered dietitian records in Wisconsin
Julie Mae Olzak, MS, RD, CD is one of 1,457 registered dietitian records with a practice address in Wisconsin. 12% 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 2022, is newer than 75% of them.
- NPI issued2022 · 75% of these records are older, 20% newer
- In a Medicare fileNo · 12% of these records are
- In the CMS Doctors and Clinicians fileYes · 13% of these records are
- Graduated2020 · median 2013 among the 182 with a school on file
- Record last updated2023 · 63% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 registered dietitian records list a practice address in Green Bay
They are 61 of the 4,619 NPPES records with a practice address in Green Bay, and 1,457 registered dietitian records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,457 in Wisconsin → Every provider in Green Bay → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Hannah Blum, RDGreen Bay, WI 543011619562600
- Bonnie Cleven, RD, CDGreen Bay, WI 543011073903837
- Lori Hartz, MS, RDGreen Bay, WI 543011114068095
- Barbara Herald, RD, CDE, CDGreen Bay, WI 543011265544589
- Kathleen Hren, RDGreen Bay, WI 543011619952066
- Cheryl Kruschke, RD, CDEGreen Bay, WI 543011306958624
- Amber Langill, CDGreen Bay, WI 543011104012350
- Melanie Muhlenbeck, RD CDEGreen Bay, WI 543011851588115
Common questions
What is Julie Mae Olzak, MS, RD, CD's NPI number?
Julie Mae Olzak, MS, RD, CD's National Provider Identifier (NPI) is 1972254993, issued on Jan 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Julie Mae Olzak, MS, RD, CD located?
The NPPES record lists a practice address at 744 S Webster Ave, Green Bay, WI, 54301. Phone: (920) 445-7373. Providers update this record themselves, so call before visiting.
How can I verify Julie Mae Olzak, MS, RD, CD's license?
Search the Wisconsin 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.