Margaret M. Greco, MD
Pediatric Cardiology Physician · Madison, WI
Margaret M. Greco, MD is a pediatric cardiology physician with a practice address in Madison, Wisconsin, and NPI 1760686414, issued on Jun 14, 2007. Check the license (Wisconsin 66059-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Margaret M. Greco
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License numbers
- 66059-20 WI
036117739 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 264-4657
- Enumerated
- Jun 14, 2007
- Record last updated
- Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 265-8065
- Medicare enrollment
- Enrolled (PECOS I20160817003183); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2004
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 72 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael AabergSurgery Physician1346991064
- Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
- Daniel Abbott, MDSurgical Oncology Physician1750412615
- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify Margaret M. Greco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 66059-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Aurora Medical Group, Inc.Kenosha, WI
- University OF Wisconsin Medical Foundation IncRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret M. Greco among 72 pediatric cardiology physician records in Wisconsin
Margaret M. Greco, MD is one of 72 pediatric cardiology physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · median 2006 among the 46 with a school on file
- Record last updated2021 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Wisconsin
There are 72 pediatric cardiology physician records in Wisconsin.
All 72 in Wisconsin → Every provider in Madison → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Catherine Allen, M.D.Madison, WI 537921265673164
- Heather Bartlett, MDMadison, WI 537921487649323
- Susan Foerster, MDMadison, WI 537921215953450
- John Hokanson, MDMadison, WI 537921700852829
- Derek Hoyme, M.D.Madison, WI 537921245469808
- Dana Irrer, M.D.Madison, WI 537921063771228
- Suhaib Kazmouz, MDMadison, WI 537921053559559
- Edward Kirkpatrick, D.O.Madison, WI 537921265630651
Common questions
What is Margaret M. Greco, MD's NPI number?
Margaret M. Greco, MD's National Provider Identifier (NPI) is 1760686414, issued on Jun 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret M. Greco, MD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 264-4657. Providers update this record themselves, so call before visiting.
How can I verify Margaret M. Greco, MD's license?
NPPES lists Wisconsin license number 66059-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.