Biana M. Polak, DO
Rheumatology Physician · Grayslake, IL
Biana M. Polak, DO is a rheumatology physician with a practice address in Grayslake, Illinois, and NPI 1588224307, issued on Jun 14, 2019. Check the license (Illinois 036169656, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Biana M. Polak
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 036169656 IL
125.074947 IL
R3872 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1475 E Belvidere RD Ste 388, Grayslake, IL 60030
- Phone
- (847) 535-7647
- Enumerated
- Jun 14, 2019
- Record last updated
- Dec 10, 2025
- Fax
- (224) 271-3310
- Medicare enrollment
- Enrolled (PECOS I20240828001749); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 340 in Illinois → Look up another NPI →
Verify Biana M. Polak 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 036169656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average rheumatology physician in 2024
335 Medicare Part D claims for 89 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Prednisone57 claims
- Methotrexate48 claims
- Hydroxychloroquine Sulfate43 claims
- Xeljanz17 claims
- Folic Acid11 claims
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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationGrayslake, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Biana M. Polak among 340 rheumatology physician records in Illinois
Biana M. Polak, DO is one of 340 rheumatology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2003 among the 244 with a school on file
- Record last updated2025 · 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 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Illinois
There are 340 rheumatology physician records in Illinois.
All 340 in Illinois → Every provider in Grayslake → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Joon Kim, MD PHDGrayslake, IL 600301730173030
- Elizabeth Bodkin, D.O.Gurnee, IL 600311992822514
- Nirav NagarshethGurnee, IL 600311457858318
- Barbara Drevlow, MDGlenview, IL 600261487676664
- Merrideth Morris, MDGlenview, IL 600261912269366
- Stacy Weinberg, MDGlenview, IL 600261245590330
- Laura Zaacks, MDGlenview, IL 600261538188610
- Alfonso Bello, MDGlenview, IL 600251942252697
Common questions
What is Biana M. Polak, DO's NPI number?
Biana M. Polak, DO's National Provider Identifier (NPI) is 1588224307, issued on Jun 14, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Biana M. Polak, DO located?
The NPPES record lists a practice address at 1475 E Belvidere RD Ste 388, Grayslake, IL, 60030. Phone: (847) 535-7647. Providers update this record themselves, so call before visiting.
How can I verify Biana M. Polak, DO's license?
NPPES lists Illinois license number 036169656, 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 Biana M. Polak, DO prescribe under Medicare Part D?
In 2024, Biana M. Polak, DO had 335 Medicare Part D claims for 89 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.