NPPES file of Aug 9, 2026

Anthony Greis, M.D.

Obstetrics & Gynecology Physician · Deerfield, IL

Anthony Greis, M.D. is an obstetrics & gynecology physician with a practice address in Deerfield, Illinois, and NPI 1477105187, issued on Jul 12, 2019. Check the license (Illinois 036058483, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477105187
Name
Anthony Greis
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036058483 IL
Self-reported in NPPES; status is on the state search
Practice location
540 Lake Cook Road, Deerfield, IL 60015
Phone
(847) 580-5700
Enumerated
Jul 12, 2019
Record last updated
Jul 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →

Verify Anthony Greis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036058483    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

11 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Anthony Greis11
  2. Specialty average165

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.

Anthony Greis among 2,062 obstetrics & gynecology physician records in Illinois

Anthony Greis, M.D. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% 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 81% of them.

  • NPI issued2019 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2019 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Illinois

There are 2,062 obstetrics & gynecology physician records in Illinois.

All 2,062 in Illinois → Every provider in Deerfield → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Rushelle Cyrus, MEDICAL DOCTORDeerfield, IL 600151659441996
  2. Ruth Guth, MDDeerfield, IL 600151558311845
  3. Martin Kass, MDDeerfield, IL 600151639129943
  4. Edward Lee, MDDeerfield, IL 600151881753226
  5. Jacqueline Sieros, MD, MPHBannockburn, IL 600151699012526
  6. Heather Beall, M.D.Crystal Lake, IL 600141447202577
  7. Harbans Deol, MDDes Plaines, IL 600161851391387
  8. Christa Edwards, MDCrystal Lake, IL 600141194286161

Common questions

What is Anthony Greis, M.D.'s NPI number?

Anthony Greis, M.D.'s National Provider Identifier (NPI) is 1477105187, issued on Jul 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Anthony Greis, M.D. located?

The NPPES record lists a practice address at 540 Lake Cook Road, Deerfield, IL, 60015. Phone: (847) 580-5700. Providers update this record themselves, so call before visiting.

How can I verify Anthony Greis, M.D.'s license?

NPPES lists Illinois license number 036058483, 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 Anthony Greis, M.D. prescribe under Medicare Part D?

In 2024, Anthony Greis, M.D. had 11 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.