Valentina Polyak, M.D.
Internal Medicine Physician · Gurnee, IL
Valentina Polyak, M.D. is an internal medicine physician with a practice address in Gurnee, Illinois, and NPI 1114913845, issued on Sep 27, 2005. Check the license (Illinois 36-091687, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Valentina Polyak
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36-091687 IL
Self-reported in NPPES; status is on the state search - Practice location
- 45 Tower CT, Gurnee, IL 60031
- Phone
- (847) 623-3200
- Enumerated
- Sep 27, 2005
- Record last updated
- Apr 26, 2022
- Fax
- (847) 623-9168
- Medicare enrollment
- Enrolled (PECOS I20031120000253); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 45 Tower CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vivek Arora, M.D.Internal Medicine Physician1194712638
- Elizabeth Craig, MDBody Imaging Physician1245523216
- Katherine Jung, NPNurse Practitioner1780197269
- James Monahan, MDInternal Medicine Physician1760478499
- Judith OrtmeyerRegistered Nurse1033655857
- Thomas Woike, D.O.Internal Medicine Physician1700024411
Verify Valentina Polyak 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 36-091687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average internal medicine physician in 2024
4,929 Medicare Part D claims for 343 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 64 claims were for opioids.
Most prescribed
- Simvastatin224 claims
- Lisinopril222 claims
- Amlodipine Besylate200 claims
- Levothyroxine Sodium198 claims
- Atorvastatin Calcium189 claims
- Losartan Potassium180 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
- Amg Illinois LtdGurnee, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Valentina Polyak among 7,238 internal medicine physician records in Illinois
Valentina Polyak, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1975 · median 2003 among the 3,580 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 internal medicine physician records list a practice address in Gurnee
They are 28 of the 846 NPPES records with a practice address in Gurnee, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Gurnee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vivek Arora, M.D.Gurnee, IL 600311194712638
- Melissa Chen, M.D.Gurnee, IL 600311942261516
- Regan Christopoulos, MDGurnee, IL 600311740231596
- Efren Estrella, M.D.Gurnee, IL 600311053341172
- Mohammad Kagzi, MDGurnee, IL 600311659347409
- Jason Kramer, M.D.Gurnee, IL 600311093746927
- James Monahan, MDGurnee, IL 600311760478499
- Joseph Mun, MDGurnee, IL 600311588635940
Common questions
What is Valentina Polyak, M.D.'s NPI number?
Valentina Polyak, M.D.'s National Provider Identifier (NPI) is 1114913845, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Valentina Polyak, M.D. located?
The NPPES record lists a practice address at 45 Tower CT, Gurnee, IL, 60031. Phone: (847) 623-3200. Providers update this record themselves, so call before visiting.
How can I verify Valentina Polyak, M.D.'s license?
NPPES lists Illinois license number 36-091687, 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 Valentina Polyak, M.D. prescribe under Medicare Part D?
In 2024, Valentina Polyak, M.D. had 4,929 Medicare Part D claims for 343 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.