Maria Giannopoulos, M.D.
Obstetrics & Gynecology Physician · Garden City, NY
Maria Giannopoulos, M.D. is an obstetrics & gynecology physician with a practice address in Garden City, New York, and NPI 1598149460, issued on Jul 10, 2015. Check the license (New York 289571-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Maria Giannopoulos
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 289571-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 877 Stewart Ave Ste 30, Garden City, NY 11530
- Phone
- (856) 577-8138
- Enumerated
- Jul 10, 2015
- Record last updated
- Jul 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170928000260); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 877 Stewart Ave Ste 30
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seth Plancher, M.D.Obstetrics & Gynecology Physician1891721866
Verify Maria Giannopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 289571-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
65 Medicare Part D claims for 24 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Clotrimazole-Betamethasone15 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: $741.27
13 payments; by number, the most common kind was food and beverage; the largest payer was Provepharm Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 2 group practices
- Garden City Obstetrics And Gynecology PCGarden City, NY
- North Shore Lij OB Gyn AT Garden City PCGarden City, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Giannopoulos among 3,174 obstetrics & gynecology physician records in New York
Maria Giannopoulos, M.D. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2013 · median 2002 among the 1,870 with a school on file
- Record last updated2017 · 63% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 obstetrics & gynecology physician records list a practice address in Garden City
They are 35 of the 2,065 NPPES records with a practice address in Garden City, and 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Garden City → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- John Cafaro, M.D.Garden City, NY 115301518077106
- Matthew Dilena, M.D.Garden City, NY 115301710927363
- Angelo GarridoGarden City, NY 115301972613495
- Salvatore Lopresti, M.D.Garden City, NY 115301952330318
- Michael Mesbah, M.D.Garden City, NY 115301396780276
- Jeffrey Miller, M.D.Garden City, NY 115301568572014
- Robert Nadell, M.D.Garden City, NY 115301801825344
- Geeta Narula, MDGarden City, NY 115301932211307
Common questions
What is Maria Giannopoulos, M.D.'s NPI number?
Maria Giannopoulos, M.D.'s National Provider Identifier (NPI) is 1598149460, issued on Jul 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Maria Giannopoulos, M.D. located?
The NPPES record lists a practice address at 877 Stewart Ave Ste 30, Garden City, NY, 11530. Phone: (856) 577-8138. Providers update this record themselves, so call before visiting.
How can I verify Maria Giannopoulos, M.D.'s license?
NPPES lists New York license number 289571-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Giannopoulos, M.D. prescribe under Medicare Part D?
In 2024, Maria Giannopoulos, M.D. had 65 Medicare Part D claims for 24 beneficiaries; 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.
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.