Sigrun Hallmeyer, MD
Hematology & Oncology Physician · Park Ridge, IL
Sigrun Hallmeyer, MD is a hematology & oncology physician with a practice address in Park Ridge, Illinois, and NPI 1164481412, issued on Mar 23, 2006. Check the license (Illinois 036106308, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sigrun Hallmeyer
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036106308 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1700 Luther LN # 2200, Park Ridge, IL 60068
- Phone
- (847) 268-8200
- Enumerated
- Mar 23, 2006
- Record last updated
- Aug 13, 2025
- Fax
- (847) 318-2905
- Medicaid ID
- 036106308 IL
- Medicare enrollment
- Enrolled (PECOS I20051018000494); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Verify Sigrun Hallmeyer 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 036106308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average hematology & oncology physician in 2024
959 Medicare Part D claims for 203 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 18 claims were for opioids.
Most prescribed
- Anastrozole353 claims
- Letrozole122 claims
- Verzenio44 claims
- Tamoxifen Citrate43 claims
- Prednisone39 claims
- Alendronate Sodium37 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.
Industry payments in 2024: $9,988.62
12 payments; by number, the most common kind was consulting fee; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationGurnee, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sigrun Hallmeyer among 666 hematology & oncology physician records in Illinois
Sigrun Hallmeyer, MD is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 57% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2003 among the 461 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Illinois
There are 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Park Ridge → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Jacob Bitran, M.D.Park Ridge, IL 600681407815822
- Shams Bufalino, M.D.Park Ridge, IL 600681831488741
- Angel Galvez, M.D.Park Ridge, IL 600681144280835
- Christie Hancock, M.D.Park Ridge, IL 600681083050413
- Arthur Hooberman, M.D.Park Ridge, IL 600681124088489
- Edward James, M.D.,Park Ridge, IL 600681548442007
- Pamela Kaiser, M.D.Park Ridge, IL 600681184684821
- Dimitra Kanaloupitis, M.D.Park Ridge, IL 600681114314317
Common questions
What is Sigrun Hallmeyer, MD's NPI number?
Sigrun Hallmeyer, MD's National Provider Identifier (NPI) is 1164481412, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sigrun Hallmeyer, MD located?
The NPPES record lists a practice address at 1700 Luther LN # 2200, Park Ridge, IL, 60068. Phone: (847) 268-8200. Providers update this record themselves, so call before visiting.
How can I verify Sigrun Hallmeyer, MD's license?
NPPES lists Illinois license number 036106308, 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 Sigrun Hallmeyer, MD prescribe under Medicare Part D?
In 2024, Sigrun Hallmeyer, MD had 959 Medicare Part D claims for 203 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.